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                                                                   Exhibit 10.11

                                               CONFIDENTIAL MATERIAL OMITTED AND
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                                                ASTERISKS DENOTE SUCH OMISSIONS.












                                LICENSE AGREEMENT


                                     BETWEEN


                                  ATHERSYS, INC


                                       AND


                               ATHERSYS NEWCO LTD.








   2




                                TABLE OF CONTENTS


1.    DEFINITIONS.............................................................3

2.    ATHERSYS LICENSE TO NEWCO..............................................11

3.    SUBSTITUTE INDICATIONS/PRODUCTS........................................12

4.    INTELLECTUAL PROPERTY..................................................12

5.    AFTER ACQUIRED TECHNOLOGY..............................................15

6.    FINANCIAL PROVISIONS...................................................15

7.    RIGHT OF INSPECTION AND AUDIT..........................................16

8.    REPRESENTATIONS AND WARRANTIES.........................................17

9.    TERM AND TERMINATION...................................................19

10.   CONFIDENTIAL INFORMATION...............................................21

11.   GOVERNING LAW AND JURISDICTION.........................................23

12.   IMPOSSIBILITY OF PERFORMANCE - FORCE MAJEURE...........................23

13.   ASSIGNMENT.............................................................23

14.   NOTICES................................................................24

15.   MISCELLANEOUS..........................................................25


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THIS LICENSE AGREEMENT is made and entered into as of this 21st day of October
1999

BY AND BETWEEN:

(1)      ATHERSYS, INC., a Delaware corporation having its principal place of
         business at 11000 Cedar Avenue, Cleveland, Ohio 44106; and

(2)      ATHERSYS NEWCO LTD., a Bermuda exempted limited liability company
         incorporated under the laws of Bermuda and having its registered office
         at Clarendon House, Church St., Hamilton, Bermuda.

RECITALS:

A.       Simultaneously herewith, Athersys, Elan, EIS, and Newco (capitalized
         terms used herein are defined below) are entering into the JDOA which
         establishes inter alia, the terms and conditions of the joint venture
         and of regulating their relationship with each other and certain
         aspects of the affairs of, and their dealings with Newco.

B.       Newco desires to enter into this Agreement with Athersys so as to
         permit Newco to utilize the Athersys Intellectual Property in making,
         having made, importing, using, offering for sale and selling the
         Product for use in the Field in the Territory.

C.       Simultaneously herewith Newco and Athersys are entering into the
         Athersys License Agreement relating to Newco's use of the Athersys
         Intellectual Property.

         Now, Therefore, the Parties agree as follows:

1.      DEFINITIONS

         As used in this Agreement, the following capitalized terms shall have
         the following meanings. Capitalized terms used in this Agreement and
         not otherwise defined in this Clause 1 or elsewhere in this Agreement
         shall have the meanings ascribed to such terms in the JDOA or the Elan
         License Agreement, as applicable.

1.1.     "AFFILIATE" shall mean with respect to Elan or Athersys, any
         corporation or entity other than Newco (and entities controlled by it)
         controlling, controlled by or under the common control of Elan or
         Athersys, as the case may be, and, with respect to Newco, any
         corporation or entity under control of Newco. For the purpose of this
         definition, "control" shall mean (a) direct or indirect ownership of
         fifty percent (50%) or more of the stock or shares entitled to vote for
         the election of directors, or (b) the actual ability to control and
         direct the management of the applicable entity.

1.2.     "AGREEMENT" shall mean this License Agreement (which expression shall
         be deemed to include the Recitals and Schedules hereto).

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1.3.     "ATHERSYS" shall mean Athersys, Inc., a Delaware corporation having its
         principal place of business at 11000 Cedar Avenue, Cleveland, Ohio
         44106, its successors and permitted assigns.

1.4.     "ATHERSYS IMPROVEMENTS" shall mean any improvements to the Athersys
         Know-How and/or the Athersys Patent Rights developed (a) by or on
         behalf of Athersys whether or not pursuant to the Project, (b) by
         Newco, or by Elan or any third party under contract with Newco,
         pursuant to the Project, and/or (c) jointly by any combination of
         Athersys, Elan or Newco pursuant to the Project. Except as limited by
         agreements with independent third parties in existence at any time
         during the term of the Athersys License, Athersys Improvements shall be
         deemed part of and shall be included in the term "Athersys Intellectual
         Property" and shall be deemed, immediately upon development, to be
         included in the license of the Athersys Intellectual Property granted
         to Newco hereunder. If the inclusion of an Athersys Improvement in the
         license of Athersys Intellectual Property granted to Newco hereunder is
         restricted or limited by a third party agreement, then Athersys shall
         use reasonable commercial efforts to exclude or where applicable to
         minimize any such restriction or limitation.

1.5.     "ATHERSYS INTELLECTUAL PROPERTY" shall mean the Athersys Improvements,
         Athersys Know-How and/or the Athersys Patent Rights.

1.6.     "ATHERSYS KNOW-HOW" shall mean Know-How that is Controlled by Athersys
         and relates to the Selected Protein produced using RAGE.

1.7.     "ATHERSYS LICENSE" shall mean have the meaning as such term is defined
         in Clause 2.1 of this Agreement.

1.8.     "ATHERSYS PATENT RIGHTS" shall mean any and all Patent Rights that are
         Controlled by Athersys relating to the Selected Protein produced using
         RAGE. The primary examples of the Athersys Patent Rights existing as of
         the date hereof are set forth on Schedule 1, which listing is not
         necessarily exhaustive.

1.9.     "ATHERSYS TRADEMARK(S)" shall mean if requested by Newco, one or more
         trademarks, trade names, or service marks that are owned or licensed by
         or on behalf of Athersys that Athersys may nominate and approve in
         writing from time to time for use in connection with the sale or
         promotion of the Product by Newco.

1.10.    "BOLUS DRUG DELIVERY SYSTEM" shall mean Elan's bolus drug delivery
         system having a drug reservoir volume of up to 1 ml. and a delivery
         rate of between 1 second and 1 hour, embodiments of which are disclosed
         in the Elan Patent Rights.

1.11.    "BUSINESS PLAN" shall have the meaning, as such term is defined in the
         JDOA.

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                                               CONFIDENTIAL MATERIAL OMITTED AND
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                                                ASTERISKS DENOTE SUCH OMISSIONS.



1.12.    [***](1)

1.13.    "COMMERCIALIZATION" shall mean the manufacture, have manufactured,
         promotion, distribution, import, use, marketing and sale of the Product
         in accordance with the terms of this Agreement.

1.14.    "CONFIDENTIAL INFORMATION" shall have the meaning, as such term is
         defined in Clause 10.

1.15.    "CONTINUOUS DRUG DELIVERY SYSTEM" shall mean Elan's ambulatory,
         micro-infusion system, having a flexible drug reservoir and capable of
         delivering pre-programmed continuous amounts of drug upon activation,
         embodiments of which are disclosed in Elan Patent Rights.

1.16.    "CONTROLLED" shall mean, with respect to a particular item of
         information, material or intellectual property right, that the
         applicable Party owns or has a license to such item of information,
         material or intellectual property right and has the ability to grant to
         the other Party access to and a license or sublicense under such item
         as contemplated herein.

1.17.    "EFFECTIVE DATE" shall mean the date of this Agreement as set forth in
         the first line of the Agreement.

1.18.    "EIS" shall mean Elan International Services, Limited, a Bermuda
         exempted limited liability company incorporated under the laws of
         Bermuda and having its registered office at Clarendon House, Church
         St., Hamilton, Bermuda, and wholly-owned by Elan, plc.

1.19.    "ELAN" shall mean Elan, plc and EPIL, and their respective successors
         and permitted assigns.

1.20.    "ELAN, PLC" shall mean Elan Corporation, plc, a public limited company
         incorporated under the laws of Ireland acting through its division Elan
         Pharmaceutical Technologies.

1.21.    "ELAN IMPROVEMENTS" shall have the meaning as such term is defined in
         the Elan License Agreement.

1.22.    "ELAN INTELLECTUAL PROPERTY" shall have the meaning as such term is
         defined in the Elan License Agreement.

1.23.    "ELAN LICENSE" shall have the meaning set forth in Clause 2.1 of the
         Elan License Agreement.

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(1) CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.


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                                               CONFIDENTIAL MATERIAL OMITTED AND
                                            FILED SEPARATELY WITH THE SECURITIES
                                                        AND EXCHANGE COMMISSION.
                                                ASTERISKS DENOTE SUCH OMISSIONS.

1.24.    "ELAN LICENSE AGREEMENT" shall mean that certain License Agreement, of
         even date herewith, entered into between Athersys and Newco.

1.25.    "EPIL" shall mean Elan Pharma International Limited, a private limited
         company incorporated under the laws of Ireland that is wholly-owned by
         Elan, plc.

1.26.    "FIELD" shall mean the subcutaneous administration of the Selected
         Protein produced using RAGE via the MEDIPAD(R) Drug Delivery System to
         treat the Selected Indication.

1.27.    "FINANCIAL YEAR" shall mean each year commencing on 1 January (or in
         the case of the first Financial Year, the Effective Date) and expiring
         on 31 December of each year.

1.28.    [***](2)

1.29.    [***](3)

1.30.    "INITIAL INDICATION" shall mean the treatment of  [***](4)

1.31.    "IN MARKET" shall mean the sale of the Product by Newco or its
         Affiliates, or where applicable by a permitted sub-licensee or
         distributor, to an unaffiliated third party such as (i) an end-user
         consumer of the Product or (ii) a wholesaler, distributor, managed care
         organization, hospital or pharmacy or other third party payor for final
         commercial sale by such party to the consumer, and shall exclude in any
         event the transfer pricing of the Product by Newco to an Affiliate.

1.32.    "JDOA" shall mean that certain Subscription, Joint Development And
         Operating Agreement, of even date herewith, by and between Elan,
         Athersys, EIS and Newco.

1.33.    "KNOW-HOW" shall mean any and all information and know-how, whether
         patentable or not, including but not limited to discoveries,
         inventions, substance, data, techniques, processes, systems,
         formulations, designs and commercial information.

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(2) CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.

(3) CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.

(4) CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.


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1.34.    "LICENSES" shall mean the Elan License and the Athersys License.

1.35.    "MANAGEMENT COMMITTEE" shall have the meaning, as such term is defined
         in the JDOA.

1.36.    "MEDIPAD(R) DRUG DELIVERY SYSTEM" shall mean the Bolus Drug Delivery
         System and/or Continuous Drug Delivery System, as the case may be.

1.37.    "NET SALES" shall mean an amount equal to the aggregate gross amount
         invoiced to the purchasers for In Market sales of the Products by Newco
         and its Affiliates and permitted sub-licensees, less the following
         deductions to the extent actually incurred or allowed with respect to
         such sales:

         (i)      transportation charges or allowances, if any, included in such
                  invoiced price;

         (ii)     trade, quantity or cash discounts, broker's or agent's
                  commissions, if any, allowed or paid;

         (iii)    credits or allowances, if any, given or made on account of
                  price adjustments, returns, bad debts, promotional discounts,
                  rebates and any and all federal, state or local government
                  rebates whether in existence now or enacted at any time during
                  the term of the Licenses; and

         (iv)     any tax, excise or governmental charge upon or measured by the
                  sale, transportation, delivery or use of the Product.

1.38.    "NEWCO" shall mean Athersys Newco Ltd., an exempted Bermuda limited
         liability company incorporated under the laws of Bermuda by EIS and
         Athersys on October 18, 1999 and having its registered office at 102
         St. James Court, Flatts, Smiths FL04, Bermuda, its successors and
         permitted assigns.

1.39.    "NEWCO INTELLECTUAL PROPERTY" shall mean all Newco Program Technology
         and all technology licensed or acquired by Newco (other than Elan
         Intellectual Property and Athersys Intellectual Property) or developed
         by Newco outside of the Project, and all intellectual property rights
         in or appurtenant to any of the foregoing.

1.40.    "NEWCO PROGRAM TECHNOLOGY" shall mean any and all Program Technology,
         excluding all Elan Improvements and all Athersys Improvements.

1.41.    "PARTY" shall mean Athersys or Newco, as the case may be, and "PARTIES"
         shall mean Athersys and Newco.

1.42.    "PATENT RIGHTS" shall mean any and all patents and patent applications,
         and all rights therein, and including all extensions, continuations,
         continuations-in-part, divisionals, patents-of-additions,
         re-examinations, re-issues, supplementary protection certificates


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                                            ASTERISKS DENOTE SUCH OMISSIONS.


         and foreign counterparts of such patents and patent applications and
         any patents issuing thereon and extensions of or supplemental
         protection certificates with respect to any patents.

1.43.    "PROGRAM TECHNOLOGY" shall mean all Know-How and technology developed
         by or on behalf of Newco, whether by Elan, Athersys, a third party or
         jointly by any combination thereof, pursuant to the Project;

1.44.    "PRODUCT" shall mean the Selected Protein produced using RAGE and
         incorporated within or packaged with the MEDIPAD(R) Drug Delivery
         System.

1.45.    "PROJECT" shall mean all activities undertaken by Newco (and/or by Elan
         or Athersys pursuant to a contract with Newco) relating to the
         development and Commercialization of the Product for use in the Field
         in accordance with the Plan.

1.46.    "RAGE" shall mean the technology Controlled by Athersys' related to
         randomly activated gene expression techniques.

1.47.    "SELECTED INDICATION" shall mean the Initial Indication, unless and
         until a Substitute Indication is designated to be the subject of the
         Project pursuant to the designation of a Substitute Protein/Indication
         under the provisions of Clauses 7.2 and 7.3 of the JDOA, in which case
         the term "Selected Indication" shall mean such designated Substitute
         Indication.

1.48.    "SELECTED PROTEIN" shall mean [***](5), unless and until a Substitute
         Protein is designated to be the subject of the Project pursuant to the
         designation of a Substitute Protein/Indication under the provisions of
         Clauses 7.2 and 7.3 of the JDOA, in which case the term "Selected
         Protein" shall mean such designated Substitute Protein.

1.49.    "SUBSTITUTE INDICATION" shall mean [***](6)

1.50.    "SUBSTITUTE PROTEIN" [***](7)

1.51.    "SUBSTITUTE PROTEIN/INDICATION" shall mean either: [***]8 as designated
         pursuant to the terms of Clauses 7.2 and 7.3 of the JDOA.



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(5) CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.

(6) CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.

(7) CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.

(8) CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.


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                                               CONFIDENTIAL MATERIAL OMITTED AND
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                                                        AND EXCHANGE COMMISSION.
                                                ASTERISKS DENOTE SUCH OMISSIONS.


 "TECHNOLOGICAL COMPETITOR"

         1.52.1   "TECHNOLOGICAL COMPETITOR OF ATHERSYS" shall mean any entity
                  listed on Schedule 2 hereto, subject to Clause 1.52.3 and
                  amendment from time to time upon mutual written agreement of
                  Newco, Athersys and Elan.

         1.52.2   "TECHNOLOGICAL COMPETITOR OF ELAN" shall mean any entity
                  listed on Schedule 3 hereto, subject to Clause 1.52.3 and
                  amendment from time to time upon mutual written agreement of
                  Newco, Athersys and Elan.

         1.52.3   The Technological Competitor of Elan and Technological
                  Competitor of Athersys shall include any and all divisions or
                  subsidiaries and successors of such entities subject to the
                  following: except for [***](9) (in whatever name or corporate
                  or non-corporate form in which [***](10) may exist), which in
                  any and all events shall remain a Technological Competitor of
                  Elan, (a) if a Technological Competitor of Elan or Athersys,
                  as the case may be, shall enter into any transaction of
                  merger, reorganization or consolidation, or transfer, sale,
                  assignment or other disposition or acquisition of the capital
                  stock or substantially all of the assets, of another
                  Technological Competitor of Elan or Athersys as the case may
                  be, then the successor entity shall also be considered a
                  Technological Competitor of Elan or Athersys as the case may
                  be, and (b) if a Technological Competitor of Elan or Athersys
                  as the case may be, shall enter into a transaction of merger,
                  reorganization or consolidation, or transfer, sale, assignment
                  or other disposition or acquisition of the capital stock or
                  substantially all of the assets, of an entity other than a
                  Technological Competitor of Elan or Athersys as the case may
                  be, then the successor entity shall also be considered a
                  Technological Competitor of Elan or Athersys, as the case may
                  be, only if such Technological Competitor of Elan or Athersys
                  is the surviving entity. Notwithstanding anything to the
                  contrary herein, the parties agree that [***](11) and any of
                  its subsidiaries or affiliates (other than

         [***](12) (in whatever name or corporate or non-corporate form in which
         [***](13) may exist)), is not a Technological Competitor of Elan.


1.53.    "TERM" shall have the meaning set forth in Clause 9.


(9) CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.

(10) CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.

(11) CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.

(12) CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.

(13) CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.


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1.54.    "TERRITORY" shall mean all the countries of the world.

1.55.    "UNITED STATES DOLLAR" and "US$" shall mean the lawful currency for the
         time being of the United States of America.

1.56.    In this Agreement:

         1.56.1   The singular includes the plural and vice versa, and the
                  masculine includes the feminine and vice versa and the neuter
                  includes the masculine and the feminine.

         1.56.2   Any reference to a Clause or Schedule shall, unless otherwise
                  specifically provided, be to the Clause or Schedule of this
                  Agreement.

         1.56.3   The headings of this Agreement are for ease of reference only
                  and shall not affect its construction or interpretation.

2.       ATHERSYS LICENSE TO NEWCO

2.1.     Athersys hereby grants to Newco for the Term an exclusive world-wide
         license (including the limited right to grant sublicenses under Clause
         2.5) (the "ATHERSYS LICENSE") of the Athersys Intellectual Property
         solely to research, develop and otherwise engage in the
         Commercialization of the Product solely for use in the Field.

2.2.     If Athersys would owe a third party royalty or other compensation
         obligations based on the practice of the Athersys Intellectual Property
         by Newco in connection with the Project, Athersys will inform Newco and
         Elan of such royalty or compensation obligation. If Newco and Elan
         agree to utilize such Athersys Intellectual Property in connection with
         the Project, Newco will be responsible for the payment of such royalty
         or other compensation obligations incurred based on such use.

         For the avoidance of doubt, royalties, milestones or other payment
         obligations of Athersys that arise from the practice of the Athersys
         Intellectual Property by Newco in connection with the Project (for
         example, a milestone payment payable upon successful completion of
         Phase II clinical trials, the filing of an NDA application, obtaining
         NDA approval, or first commercial sale) shall be payments for which
         Newco will be responsible under this Clause 2.2, provided that such
         payment obligations were disclosed to Newco by Athersys as required
         above.

2.3.     Elan shall be a third party beneficiary under this Agreement and shall
         have the right to cause Newco to enforce Newco's rights under this
         Agreement against Athersys.

2.4.     Notwithstanding anything contained in this Agreement to the contrary,
         Athersys shall retain all rights to fully exploit and grant licenses
         and sublicenses with respect to the Athersys Intellectual Property
         except as such rights are exclusively licensed to Newco under the
         Athersys License. Newco hereby covenants that it shall not practice,
         use or sublicense the Athersys Intellectual Property except as
         expressly permitted under the Athersys License.



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2.5.     Newco shall not assign any of its rights under the Athersys License
         relating to the Athersys Intellectual Property, or any of its rights
         under the Newco Intellectual Property relating to the Product for use
         in the Field, without the prior written consent of Elan and Athersys.

         Newco shall not sublicense any of its rights under the Athersys License
         relating to the Athersys Intellectual Property, or license any of its
         rights under the Newco Intellectual Property relating to the Product
         for use in the Field, without the prior written consent of Elan and
         Athersys, which consent shall not be unreasonably withheld or delayed;
         provided, however, that the consent of Elan or Athersys may be withheld
         in Elan's or Athersys's sole discretion in the case of a proposed
         sublicense of such rights to a Technological Competitor of Elan or a
         Technological Competitor of Athersys, as the case may be.

2.6.     Newco shall not enter into any agreement with any third party for
         development of the Athersys Intellectual Property without the prior
         written consent of Athersys, which consent may be withheld in
         Athersys's sole discretion. Any agreement between Newco and any
         permitted third party for the development or exploitation of the
         Athersys Intellectual Property shall be limited expressly to
         development or exploitation relating solely to the research,
         development and/or Commercialization of the Product in the Field and
         shall require such third party to maintain the confidentiality of all
         information concerning the Athersys Intellectual Property, and shall
         expressly provide that any Athersys Improvements shall belong to
         Athersys.

2.7.     Insofar as the obligations owed by Newco to Athersys are concerned,
         Newco shall remain responsible for all acts and omissions of any
         permitted sub-licensee, that violate the terms of this Agreement,
         including Elan, as if they were acts and omissions by Newco.

3.       SUBSTITUTE INDICATIONS/PRODUCTS

3.1.     The Parties acknowledge that the provisions relating to the selection
         and designation of a Substitute Protein/Indication are set forth in
         Clauses 7.2 and 7.3 of the JDOA.

4.       INTELLECTUAL PROPERTY

4.1.     OWNERSHIP OF INTELLECTUAL PROPERTY:

         4.1.1    All rights, title, and interest to any Athersys Improvements
                  shall be the property of Athersys; and Newco and Elan shall
                  execute and deliver documents, and take such other actions as
                  Athersys may reasonably request, to effect or evidence such
                  ownership.

         4.1.2    The Parties agree that Newco shall own all rights, title, and
                  interest in and to the Newco Intellectual Property.


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         4.1.3    Athersys shall own and retain all rights, title, and interests
                  in and to the Athersys Intellectual Property, subject only to
                  the license rights granted to Newco under Clause 2.

4.2.     TRADEMARKS.

         4.2.1    Athersys hereby grants to Newco for the Term a non-exclusive,
                  royalty free license in the Territory to use and display the
                  Athersys Trademarks to promote and sell the Product in the
                  Field in the Territory. The following provisions shall apply
                  as regards the use of the Athersys Trademarks by Newco
                  hereunder:

                  (1)      Newco shall ensure that each reference to and use of
                           an Athersys Trademark by Newco is in a manner
                           approved by Athersys (such approval not to be
                           unreasonably withheld) and accompanied by an
                           acknowledgement, in a form approved by Athersys, that
                           the same is a trademark (or registered trademark) of
                           Athersys.

                           From time to time, upon the reasonable request of
                           Athersys, Newco shall submit samples of the Product
                           to Athersys or its duly appointed agent to ensure
                           compliance with quality standards and specifications
                           reasonably determined by Athersys relating to RAGE or
                           the Selected Protein. Athersys, or its duly appointed
                           agent, shall have the right to inspect the premises
                           of Newco where the Product is manufactured, held or
                           stored, and Newco shall permit such inspection, upon
                           reasonable advance notice and at a time reasonably
                           convenient to Newco, of the methods and procedures
                           used in the manufacture, storage and sale of the
                           Product, which inspection shall be subject to
                           appropriate and reasonable restrictions and
                           limitations regarding safety and confidentiality.
                           Newco shall not sell or otherwise dispose of any
                           Product bearing the Athersys Trademarks that fails to
                           comply with the quality standards and specifications
                           referred to in this Clause 4.2.

                  (2)      Newco shall not use an Athersys Trademark in any way
                           that might materially prejudice its distinctiveness
                           or validity or the goodwill of Athersys therein.

                  (3)      The Parties recognize that the Athersys Trademarks
                           have considerable goodwill associated therewith.
                           Newco shall not use in relation to the Product any
                           trademarks other than the Athersys Trademarks (except
                           the Elan Trademarks licensed to Newco under the Elan
                           License Agreement) without obtaining the prior
                           consent in writing of Athersys, which consent may not
                           be unreasonably withheld. However, such use must not
                           conflict with the use and display of the Athersys
                           Trademark and such use and display must be approved
                           by Athersys.

                  (4)      Newco shall not use in the Territory any trademarks
                           or trade names so resembling the Athersys Trademark
                           as to be likely to cause confusion or deception.



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                  (5)      Newco shall promptly notify Athersys in writing of
                           any alleged infringement or unauthorized use of which
                           it becomes aware by a third party of the Athersys
                           Trademarks and provide Athersys with any applicable
                           evidence of infringement or unauthorized use.

                  (6)      Newco shall favorably consider promoting and using
                           the Athersys Trademarks in each country of the
                           Territory and provide proof of such use upon request
                           by Athersys.

                  (7)      Newco shall not be permitted to assign or sublicense
                           any of its rights under the Athersys Trademarks
                           without the prior written consents of Athersys, which
                           consent shall not be unreasonably withheld or
                           delayed.

         4.2.2    Athersys shall, at its sole expense and discretion, file and
                  prosecute applications to register and maintain registrations
                  of the Athersys Trademarks in the Territory. Newco shall
                  reasonably co-operate with Athersys in such efforts. If
                  Athersys decides to withdraw a mark from further prosecution
                  or fails to maintain such mark, Newco may request Athersys to
                  continue such prosecution or maintenance at Newco's expense.
                  Athersys may comply with Newco's request unless Athersys
                  believes such action is without merit.

         4.2.3    Athersys will be entitled to conduct all enforcement
                  proceedings relating to the Athersys Trademarks and shall at
                  its sole discretion decide what action, if any, to take in
                  respect to any enforcement proceedings of the Athersys
                  Trademarks or any other claim or counter-claim brought in
                  respect to the use or registration of the Athersys Trademarks.
                  Any such proceedings shall be conducted at Athersys's expense
                  and for its own benefit. Newco shall reasonably cooperate with
                  Athersys in such efforts. If Athersys decides to withdraw a
                  mark from further prosecution or fails to maintain such mark,
                  Newco may request Athersys to continue such prosecution or
                  maintenance at Newco's expense. Athersys may comply with
                  Newco's request unless Athersys believes such action is
                  without merit.

         4.2.4    Newco shall promptly notify Athersys in writing in the event
                  that any Athersys Trademark has been challenged by a third
                  party in a judicial or administrative proceeding in a country
                  in the Territory as infringing on the rights of a third party
                  and Athersys shall have the first right to decide whether or
                  not to defend such allegations, or to adopt an alternative
                  mark. If Athersys decides not defend the Athersys Trademark,
                  then Newco may request Athersys to defend the Athersys
                  Trademark, at Newco's expense, unless such requested defense
                  is believed by Athersys to be unsubstantiated and without
                  merit. In such a case, Athersys may elect not initiate defense
                  proceedings.

         4.2.5    Newco will have no ownership rights in respect of the Athersys
                  Trademarks or of the goodwill associated therewith, and Newco
                  hereby acknowledges that, except as expressly provided in this
                  Agreement, it shall not acquire any rights in respect thereof
                  and that all such rights and goodwill are, and will remain,
                  vested in Athersys.


                                       13
   14

         4.2.6    Nothing in this Agreement shall be construed as a warranty on
                  the part of Athersys regarding the Athersys Trademarks,
                  including without limitation, that use of the Athersys
                  Trademarks in the Territory will not infringe the rights of
                  any third parties. Accordingly, Newco acknowledges and agrees
                  that Athersys makes no such warranty.

         4.2.7    Athersys assumes no liability to Newco or to any third parties
                  with respect to the quality, performance or characteristics of
                  any of the goods manufactured or sold by Newco under the
                  Athersys Trademarks pursuant to this Agreement.

5.       AFTER ACQUIRED TECHNOLOGY

5.1.     If after the Effective Date Athersys acquires Know-How or Patent Rights
         from a third Party relating to the Athersys Intellectual Property, or
         if Athersys acquires or merges with a third party entity that owns or
         has license rights to Know-How or Patent Rights relating to the
         Athersys Intellectual Property, then Athersys shall offer to license
         such Know-How and Patent Rights to Newco (subject to existing
         contractual obligations) solely for Newco to research, develop and
         otherwise engage in the Commercialization of the Product solely for use
         in the Field (for purposes of this Clause 5.1, the "Field of Use"), on
         such terms as would be offered to an independent third party
         negotiating in good faith on an arms-length basis.

         If the Elan representatives on the Management Committee determine that
         Newco should not acquire such license, or if the parties are unable to
         reach agreement on such commercial terms within 120 days from
         Athersys's offer to Newco or within another mutually agreeable period,
         then Athersys shall be free to fully exploit such Know-How and Patent
         Rights in such Field of Use, and to grant to third parties licenses and
         sublicenses with respect thereto. Notwithstanding the foregoing,
         Athersys shall retain all rights to exploit and license any such
         acquired Know-How and Patent Rights for all purposes outside of such
         Field of Use.

6.       FINANCIAL PROVISIONS

6.1.     ROYALTIES:

         The intent of the Parties and Elan is to provide for equivalent
         economic benefit to each of Athersys and Elan. Accordingly, prior to
         the Commercialization of the Product, the Management Committee shall
         consider and if appropriate, determine reasonable royalties with
         respect to the Commercialization of the Product by Newco that shall be
         payable by Newco to Elan and Athersys, and shared by Elan and Athersys
         pro rata with Elan's and Athersys's respective percentage ownership of
         stock (whether common stock and/or preferred stock) in Newco.

6.2.     Payment of royalties pursuant to Clause 6.1 shall be made quarterly in
         arrears during each Financial Year within 60 days after the expiry of
         the applicable calendar quarter. The method of payment shall be by wire
         transfer to an account specified by Athersys. Each payment made to
         Athersys shall be accompanied by a true accounting of all



                                       14
   15



         Product sold by Newco, its Affiliates and permitted sublicensees, if
         any, during such quarter.

         Such accounting shall show, on a country-by-country and
         Product-by-Product basis, Net Sales (and the calculation thereof) and
         each calculation of royalties with respect thereto, including the
         calculation of all adjustments and currency conversions.

6.3.     Newco shall maintain and keep clear, detailed, complete, accurate and
         separate records for a period of 3 years:

         6.3.1    to enable any royalties on Net Sales that shall have accrued
                  hereunder to be determined; and

         6.3.2    to enable any deductions made in the Net Sales calculation to
                  be determined.

6.4.     All payments due hereunder shall be made in United States Dollars.
         Payments due on Net Sales of any Product for each calendar quarter made
         in a currency other than United States Dollars shall first be
         calculated in the foreign currency and then converted to United States
         Dollars on the basis of the exchange rate in effect on the last working
         day for such quarter for the purchase of United States Dollars with
         such foreign currency quoted in the Wall Street Journal (or comparable
         publication if not quoted in the Wall Street Journal) with respect to
         the currency of the country of origin of such payment.

6.5.     If, at any time, legal restrictions in the Territory prevent the prompt
         payment when due of royalties or any portion thereof, the Parties shall
         meet to discuss suitable and reasonable alternative methods of paying
         Athersys the amount of such royalties. In the event that Newco is
         prevented from making any payment under this Agreement by virtue of the
         statutes, laws, codes or government regulations of the country from
         which the payment is to be made, then such payments may be paid by
         depositing them in the currency in which they accrue to Athersys's
         account in a bank acceptable to Athersys in the country the currency of
         which is involved or as otherwise agreed by the Parties.

6.6.     Athersys and Newco agree to co-operate in all respects necessary to
         take advantage of any double taxation agreements or similar agreements
         as may, from time to time, be available.

6.7.     Any taxes payable by Athersys on any payment made to Athersys pursuant
         to this Agreement shall be for the account of Athersys. If so required
         by applicable law, any payment made pursuant to this Agreement shall be
         made by Newco after deduction of the appropriate withholding tax, in
         which event the Parties shall co-operate to obtain the appropriate tax
         clearance as soon as is practicable. On receipt of such clearance,
         Newco shall forthwith arrange payment to Athersys of the amount so
         withheld.

7.       RIGHT OF INSPECTION AND AUDIT

7.1.     No more than once every twelve months and upon reasonable advance
         notice requested by Athersys, Newco shall permit Athersys or its duly
         authorized


                                       15
   16


         representatives, at any reasonable time during normal business hours,
         to have access to inspect and audit the accounts and records of Newco
         and any other book, record, voucher, receipt or invoice relating to the
         calculation of the royalty payments on Net Sales submitted to Athersys.
         Such inspection shall be of records relating to a time period not
         previously audited hereunder, and in no event older than three years.

         Any such inspection of Newco's records shall be at the expense of
         Athersys, except that if any such inspection reveals a deficiency in
         the amount of the royalty actually paid to Athersys hereunder during
         the period inspected of 5% or more of the amount of any royalty
         actually due to Athersys hereunder for such period, then the expense of
         such inspection shall be borne solely by Newco. Any amount of
         deficiency shall be paid promptly to Athersys by Newco.

         If such inspection reveals a surplus in the amount of royalties
         actually paid to Athersys by Newco, Athersys shall reimburse Newco the
         surplus within 15 days after determination.

7.2.     In the event of any unresolved dispute regarding any alleged deficiency
         or overpayment of royalty payments hereunder, the matter will be
         referred to an independent firm of chartered accountants chosen by
         agreement of Athersys and Elan for a resolution of such dispute. Any
         decision by the said firm of chartered accountants shall be binding on
         the Parties.

8.       REPRESENTATIONS AND WARRANTIES

8.1.     Athersys represents and warrants to Newco that, as of the Effective
         Date, to Athersys' best knowledge:

         (a)      Athersys has the right to grant the Athersys License;

         (b)      Schedule 1 contains the primary examples of Athersys Patent
                  Rights existing as of the date hereof, which listing is not
                  necessarily exhaustive;

         (c)      there are no agreements between Athersys and any third parties
                  that would conflict with or would prevent Athersys from
                  granting the Athersys License to Newco;

         (d)      Athersys is the owner or licensee of all rights, title and
                  interest in the Athersys Intellectual Property,

         (e)      Athersys has no knowledge of any pending or threatened action,
                  suit, proceeding or claim by others challenging Athersys'
                  rights in or to such Athersys Intellectual Property as related
                  to the Field, which would have a material adverse effect on
                  the ability of Newco to conduct the Project; and

         (f)      the Athersys Intellectual Property constitutes all
                  intellectual property owned or licensed by Athersys that are
                  reasonably applicable to the Project as it relates to the
                  Selected Protein produced using RAGE.



                                       16
   17

8.2.     Athersys further represents and warrants to Newco as follows:

         (a)      there are no existing or claimed defaults by Athersys, and to
                  Athersys' best knowledge by any other party, under any license
                  agreement pursuant to which Athersys has obtained any license
                  rights to any Athersys Intellectual Property; and no event,
                  act or omission has occurred which (with or without notice,
                  lapse of time or the happening or occurrence of any other
                  event) would result in a default under such license agreements
                  by Athersys, or to Athersys's best knowledge by any other
                  party, and

         (b)      Athersys shall, during the term of the Licenses, comply with
                  the material terms and conditions of such license agreements
                  and will if appropriate enforce its rights under such license
                  agreements.

8.3.     In addition to any other indemnities provided for herein, Athersys
         shall indemnify and hold harmless Newco and its Affiliates and their
         respective employees, agents, officers and directors from and against
         any claims, losses, liabilities or damages (including reasonable
         attorney's fees and expenses) incurred or sustained by Newco arising
         out of or in connection with any:

         8.3.1    breach of any representation, covenant, warranty or obligation
                  by Athersys hereunder; or

         8.3.2    act or omission on the part of Athersys or any of its
                  respective employees, agents, officers and directors in the
                  performance of this Agreement.

8.4.     In addition to any other indemnities provided for herein, Newco shall
         indemnify and hold harmless Athersys and its Affiliates and their
         respective employees, agents, officers and directors from and against
         any claims, losses, liabilities or damages (including reasonable
         attorney's fees and expenses) incurred or sustained by Athersys arising
         out of or in connection with any:

         8.4.1    breach of any representation, covenant, warranty or obligation
                  by Newco hereunder; or

         8.4.2    act or omission on the part of Newco or any of its agents or
                  employees in the performance of this Agreement.

8.5.     The Party seeking an indemnity shall:

         8.5.1    fully and promptly notify the other Party of any claim or
                  proceeding, or threatened claim or proceeding;

         8.5.2    permit the indemnifying Party to take full care and control of
                  such claim or proceeding;

         8.5.3    co-operate in the investigation and defense of such claim or
                  proceeding;


                                       17
   18

         8.5.4    not compromise or otherwise settle any such claim or
                  proceeding without the prior written consent of the other
                  Party, which consent shall not be unreasonably withheld
                  conditioned or delayed; and

         8.5.5    take all reasonable steps to mitigate any loss or liability in
                  respect of any such claim or proceeding.

8.6.     EXCEPT AS SET FORTH IN THIS CLAUSE 8, ATHERSYS IS GRANTING THE ATHERSYS
         LICENSE HEREUNDER ON AN "AS IS" BASIS WITHOUT REPRESENTATION OR
         WARRANTY WHETHER EXPRESS OR IMPLIED INCLUDING WARRANTIES OF
         MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, OR INFRINGEMENT OF
         THIRD PARTY RIGHTS, AND ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.

8.7.     NOTWITHSTANDING ANYTHING TO THE CONTRARY IN THIS AGREEMENT, NEITHER
         ATHERSYS NOR NEWCO SHALL BE LIABLE TO THE OTHER BY REASON OF ANY
         REPRESENTATION OR WARRANTY, CONDITION OR OTHER TERM OF THIS AGREEMENT
         OR THE JDOA OR ANY DUTY OF COMMON LAW, FOR ANY INDIRECT, CONSEQUENTIAL,
         SPECIAL, INCIDENTAL OR PUNITIVE LOSS OR DAMAGE (WHETHER FOR LOSS OF
         PROFITS OR OTHERWISE) AND WHETHER OCCASIONED BY THE NEGLIGENCE OF THE
         BREACHING PARTY, ITS EMPLOYEES OR AGENTS OR OTHERWISE.

9.       TERM AND TERMINATION

9.1.     TERM

         9.1.1    The term of this Agreement ("the Term") shall commence as of
                  the Effective Date and shall, subject to Clause 9.1.2 and
                  early termination of the Agreement pursuant to the other
                  provisions of this Clause 9, expire on a country-by-country
                  basis on the last to occur of:

                  (a)      15 years starting from the date of the first
                           commercial sale of the Product in the country
                           concerned; or

                  (b)      the date of expiration of the last to expire of the
                           Patents Rights included in the Athersys Patent Rights
                           and/or Athersys Improvements.

         9.1.2 In no event shall the Term exceed twenty-five (25) years from the
         Effective Date.

9.2.     TERMINATION

         If either Party commits a Relevant Event, the other Party shall have,
         in addition to all other legal and equitable rights and remedies
         hereunder, the right to terminate this Agreement upon 30 days' prior
         written notice to the defaulting Party, such notice to be provided if
         at all within 180 days after the occurrence of such Relevant Event.


                                       18
   19


9.3.     For the purpose of this Clause 9, a "RELEVANT EVENT" is committed or
         suffered by a Party if:

         9.3.1    such Party commits a material breach of its obligations under
                  this Agreement and fails to cure or remedy such breach within
                  60 days of being specifically required in writing to do so by
                  the other Party; provided, that if the breaching Party has
                  proposed a course of action to rectify or cure the breach and
                  is acting in good faith to rectify or cure same but has not
                  cured the breach by the 60th day, such period shall be
                  extended by such period as is reasonably necessary to permit
                  the breach to be rectified so long as such breaching Party
                  continues to exert good faith efforts to rectify or cure the
                  breach; or

         9.3.2    such Party ceases wholly or substantially to carry on its
                  business, otherwise than for the purpose of a reconstruction
                  or amalgamation, without the prior written consent of the
                  other Party (such consent not to be unreasonably withheld);

         9.3.3    upon the appointment, as to such Party, of a liquidator,
                  receiver, administrator, examiner, trustee or similar officer
                  with authority over all or substantially all of its assets
                  under the law of any applicable jurisdiction, including
                  without limitation, the United Sates of America, Bermuda or
                  Ireland; or

         9.3.4    an application or petition for bankruptcy, corporate
                  re-organization, composition, administration, examination,
                  arrangement or any other procedure similar to any of the
                  foregoing under the law of any applicable jurisdiction,
                  including without limitation, the United States of America,
                  Bermuda or Ireland, is filed by a Party, and is not discharged
                  within 60 days, or all or substantially all of the assets,
                  rights, revenues and/or business of a Party are for any reason
                  seized, confiscated or condemned.

9.4.     If Elan terminates the Elan License Agreement in accordance with Clause
         9.4 thereof due to a Change of Control of Athersys/Newco, then Athersys
         shall have the right, at its election, to terminate this Agreement upon
         ten business days prior written notice to Elan.

9.5.     Upon expiration or termination of this Agreement:

         (a)      any sums that were due from Newco to Athersys on Net Sales in
                  the Territory or in such particular country or countries in
                  the Territory (as the case may be) prior to the expiration or
                  termination of this Agreement as set forth herein shall be
                  paid in full within 60 days after the expiration or
                  termination of this Agreement for the Territory or for such
                  particular country or countries in the Territory (as the case
                  may be);

         (b)      any provisions that expressly survive termination or
                  expiration of this Agreement, including without limitation
                  this Clause 9, shall remain in full force and effect;


                                       19
   20


         (c)      all representations, warranties and indemnities shall insofar
                  as are appropriate remain in full force and effect;

         (d)      the rights of inspection and audit set out in Clause 7 shall
                  continue in force for a period of one year;

         (e)      all rights and licenses granted to Newco pursuant to this
                  Agreement and to the Athersys Intellectual Property pursuant
                  to the JDOA (including the rights of Newco pursuant to Clause
                  11 of the JDOA with respect to patent prosecution and
                  maintenance) shall cease for the Territory or for such
                  particular country or countries in the Territory (as the case
                  may be) and shall revert to or be transferred to Athersys, and
                  Newco shall not thereafter use in the Territory or in such
                  particular country or countries in the Territory (as the case
                  may be) any such rights covered by this Agreement;

         (f)      Subject to Clause 9.5.(g) and to such license, if any, granted
                  by Newco to Athersys pursuant to the provisions of Clause 12
                  of the JDOA (entitled "Exploitation Outside the Field"), all
                  rights to Newco Intellectual Property shall be automatically
                  licensed, on a world-wide, non-exclusive, perpetual
                  royalty-free basis, to each of Athersys and Elan, and each of
                  Elan and Athersys may independently and separately exploit
                  such Newco Intellectual Property pursuant to such
                  non-exclusive license (with the right to sublicense) without
                  accounting to the other;

         (g)      the rights of permitted third party sub-licensees in and to
                  the Athersys Intellectual Property shall survive the
                  termination of the license and sublicense agreements granting
                  said intellectual property rights to Newco; and Newco, Elan
                  and Athersys shall in good faith agree upon the form most
                  advantageous to Elan and Athersys in which the rights of Newco
                  under any such licenses and sublicenses are to be held (which
                  form may include continuation of Newco solely as the holder of
                  such licenses or assignment of such rights to a third party or
                  parties, including an assignment to both Elan and Athersys).
                  Any sublicense agreement between Newco and such permitted
                  sublicensee shall permit an assignment of rights by Newco to
                  Elan and Athersys and shall contain appropriate
                  confidentiality provisions.

10.      CONFIDENTIAL INFORMATION

10.1.    The Parties agree that it will be necessary, from time to time, to
         disclose to each other confidential and proprietary information,
         including without limitation, inventions, works of authorship, trade
         secrets, specifications, designs, data, know-how and other proprietary
         information relating to the Field, the Product, processes, services and
         business of the disclosing Party.

         The foregoing shall be referred to collectively as "CONFIDENTIAL
         INFORMATION".

10.2.    Any Confidential Information disclosed by one Party to another Party
         shall be used by the receiving Party exclusively for the purposes of
         fulfilling the receiving Party's obligations under this Agreement and
         the JDOA and for no other purpose.


                                       20
   21

         10.3.    Each Party shall disclose Confidential Information of the
                  other Party only to those employees, representatives and
                  agents requiring knowledge thereof in connection with
                  fulfilling the Party's obligations under this Agreement. Each
                  Party further agrees to inform all such employees,
                  representatives and agents of the terms and provisions of this
                  Agreement and their duties hereunder and to obtain their
                  agreement hereto as a condition of receiving Confidential
                  Information. Each Party shall exercise the same standard of
                  care as it would itself exercise in relation to its own
                  confidential information (but in no event less than a
                  reasonable standard of care) to protect and preserve the
                  proprietary and confidential nature of the Confidential
                  Information disclosed to it by the other Party. Each Party
                  shall, upon request of the other Party, return all documents
                  and any copies thereof containing Confidential Information
                  belonging to, or disclosed by, such other Party.

10.4.    Any breach of this Clause 10 by any person informed by one of the
         Parties is considered a breach by the Party itself.

10.5.    The obligations of a Party under this Clause 10 with respect to the
         Confidential Information of the other Party shall not apply to:

         10.5.1   information that is in the public domain;

         10.5.2   information that is made public through no breach of this
                  Agreement;

         10.5.3   information that is independently developed by a Party without
                  reliance on any of the other Party's Confidential Information,
                  as evidenced by such Party's records;

         10.5.4   information that becomes available to a Party on a
                  non-confidential basis, whether directly or indirectly, from a
                  source other than a Party, which source did not acquire this
                  information on a confidential basis; or

10.6.    Further, a receiving Party may disclose the Confidential Information of
         the other Party to the extent it is required to disclose such
         information pursuant to:

                  (i)      a valid order of a court or other governmental body;
                           or

                  (ii)     any other requirement of law;

                  provided that if the receiving Party becomes legally required
                  to disclose any Confidential Information, the receiving Party
                  shall give the disclosing Party prompt notice of such fact so
                  that the disclosing Party may obtain a protective order or
                  other appropriate remedy concerning any such disclosure. The
                  receiving Party shall fully co-operate with the disclosing
                  Party in connection with the disclosing Party's efforts to
                  obtain any such order or other remedy. If any such order or
                  other remedy does not fully preclude disclosure, the receiving
                  Party shall make such disclosure only to the extent that such
                  disclosure is legally required.


                                       21
   22

10.7.    The provisions relating to confidentiality in this Clause 10 shall
         remain in effect during the term of this Agreement, and for a period of
         7 years following the expiration or earlier termination of this
         Agreement.

10.8.    The Parties agree that the obligations of this Clause 10 are necessary
         and reasonable in order to protect the Parties' respective businesses,
         and each Party agrees that monetary damages would be inadequate to
         compensate a Party for any breach by the other Party of its covenants
         and agreements set forth herein.

         Accordingly, the Parties agree that any such violation or threatened
         violation shall cause irreparable injury to a Party and that, in
         addition to any other remedies that may be available, in law and equity
         or otherwise, each Party may be entitled to obtain injunctive relief
         against the threatened breach of the provisions of this Clause 10, or a
         continuation of any such breach by the other Party, specific
         performance and other equitable relief to redress such breach together
         with its damages and reasonable counsel fees and expenses to enforce
         its rights hereunder, without the necessity of proving actual or
         express damages.

11.      GOVERNING LAW AND JURISDICTION

11.1.    This Agreement shall be governed by and construed in accordance with
         the substantive laws of the State of New York, without giving effect to
         the provisions thereof relating to the conflict of laws.

11.2.    The Parties will attempt in good faith to resolve any dispute arising
         out of or relating to this Agreement promptly by negotiation between
         executives of the Parties. In the event that such negotiations do not
         result in a mutually acceptable resolution, the Parties agree to
         consider other dispute resolution mechanisms including mediation.

         In the event that the Parties fail to agree on a mutually acceptable
         dispute resolution mechanism, any such dispute shall be settled in
         accordance with the terms of Clauses 19 and 24.7 of the JODA.

12.      IMPOSSIBILITY OF PERFORMANCE - FORCE MAJEURE

         Neither Athersys nor Newco shall be liable for delay or failure in the
         performance of any of its obligations hereunder if such delay results
         from causes beyond its reasonable control, including, without
         limitation, acts of God, fires, strikes, acts of war, intervention of a
         government authority, provided that the Party whose performance is
         delayed or prevented continues to use good faith diligent efforts to
         mitigate, avoid or end such delay or failure in performance as soon as
         practicable.

13.      ASSIGNMENT

         Each Party shall not be permitted to assign its rights or obligations
         hereunder without the prior written consent of the other Party except
         as follows:


                                       22
   23

13.1.    The Parties shall have the right to assign their rights and obligations
         hereunder to their respective Affiliates, provided, however, that such
         assignment does not result in adverse tax consequences for the other
         Party.

13.2.    Athersys shall be entitled to assign this Agreement to its successor in
         interest pursuant to acquisition, merger, consolidation or purchase of
         all or substantially all of the assets of Athersys. For the avoidance
         of doubt, nothing in this Clause 13 shall prejudice Elan's rights under
         the Elan License Agreement, including Elan's right to terminate the
         Elan License Agreement in accordance with Clause 9.4 thereof.

14.     NOTICES

14.1.    Any notice to be given under this Agreement shall be sent by registered
         airmail or telefaxed to the following addresses:

         If to Newco at:

         Clarendon House
         Church St.
         Hamilton, Bermuda
         Attention:        Secretary
         Telephone:        441 292 9169
         Fax:              441 292 2224

         with a copy to Elan at:

         Elan Corporation, plc
         C/o Elan International Services. Ltd.
         102 St. James Court
         Flatts
         Smiths FL04 Bermuda
         Attention:        Secretary
         Telephone:        441 292 9169
         Telefax:          441 292 2224

         If to Athersys at:

         11000 Cedar Avenue
         Cleveland, Ohio 44106
         USA
         Attention:        President and Chief Executive Officer
         Telephone:        (216) 231-9911
         Fax:              (216) 231-0905

         with a copy to:

         Cooley Godward LLP
         Five Palo Alto Square
         3000 El Camino Real


                                       23
   24


         Palo Alto, CA 94306
         Attention:        Barclay James Kamb, Esq.
         Telephone         (650) 843-5052
         Fax:              (650) 857-0663

         If to Elan at:

         Elan Corporation, plc
         C/o Elan International Services. Ltd.
         102 St. James Court
         Flatts
         Smiths FL04 Bermuda
         Attention: Secretary
         Telephone:  441 292 9169
         Telefax:      441 292 2224

         or to such other address(es) and telefax numbers as may from time to
         time be notified by either Party to the other hereunder.

14.2.    Any notice sent by mail shall be deemed to have been delivered within
         seven 7 working days after dispatch and any notice sent by telex or
         telefax shall be deemed to have been delivered within twenty 24 hours
         of the time of the dispatch. Notice of change of address shall be
         effective upon receipt.

15.      MISCELLANEOUS

15.1.    WAIVER:

         No waiver of any right under this Agreement shall be deemed effective
         unless contained in a written document signed by the Party charged with
         such waiver, and no waiver of any breach or failure to perform shall be
         deemed to be a waiver of any other breach or failure to perform or of
         any other right arising under this Agreement.

15.2.    SEVERABILITY:

         If any provision in this Agreement is agreed by the Parties to be, or
         is deemed to be, or becomes invalid, illegal, void or unenforceable
         under any law that is applicable hereto:

         (a)      The Parties shall attempt in good faith to amend the Agreement
                  to provide an alternate to such provision to conform to
                  applicable laws so as to be valid and enforceable; and retain
                  the intent of the Parties relating to such provision; or

         (b)      If the Parties cannot so amend the Agreement without
                  materially altering the intention of the Parties, it will be
                  deleted, with effect from the date of such agreement or such
                  earlier date as the Parties may agree, and the validity,
                  legality and enforceability of the remaining provisions of
                  this Agreement shall not be impaired or affected in any way.


                                       24
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15.3.    FURTHER ASSURANCES:

         At the request of any of the Parties, the other Party or Parties shall
         (and shall use reasonable efforts to procure that any other necessary
         parties shall) execute and perform all such documents, acts and things
         as may reasonably be required subsequent to the signing of this
         Agreement for assuring to or vesting in the requesting Party the full
         benefit of the terms hereof.

15.4.    SUCCESSORS:

         This Agreement shall be binding upon and inure to the benefit of the
         Parties hereto, their successors and permitted assigns.

15.5.    NO EFFECT ON OTHER AGREEMENTS/CONFLICT:

         No provision of this Agreement shall be construed so as to negate,
         modify or affect in any way the provisions of any other agreement
         between the Parties unless specifically referred to, and solely to the
         extent provided herein.

         In the event of a conflict between the provisions of this Agreement and
         the provisions of the JDOA, the terms of the JDOA shall prevail unless
         this Agreement specifically provides otherwise.

15.6.    AMENDMENTS:

         No amendment, modification or addition hereto shall be effective or
         binding on any Party unless set forth in writing and executed by a duly
         authorized representative of each Party and Elan.

15.7.    COUNTERPARTS:

         This Agreement may be executed in any number of counterparts, each of
         which when so executed shall be deemed to be an original and all of
         which when taken together shall constitute this Agreement.


15.8.    NO RELIANCE:

         Each Party hereby acknowledges that in entering into this Agreement it
         has not relied on any representation or warranty save as expressly set
         out herein or in any document referred to herein.

15.9.    RELATIONSHIP OF THE PARTIES:

         Nothing contained in this Agreement is intended or is to be construed
         to constitute Athersys and Newco as partners, or Athersys as an
         employee of Newco, or Newco as an employee of Athersys.


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         Neither Party hereto shall have any express or implied right or
         authority to assume or create any obligations on behalf of or in the
         name of the other Party or to bind the other Party to any contract,
         agreement or undertaking with any third party.


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         IN WITNESS WHEREOF the Parties hereto have executed this Agreement.

SIGNED

BY: /s/ Gil Van Bokkelen
    ---------------------------------------
for and on behalf of
ATHERSYS, INC.

SIGNED

BY: /s/ I. S. Outerbridge
    ---------------------------------------
For and on behalf of
ATHERSYS NEWCO LTD.

CONSENTED AND AGREED TO:

SIGNED

BY: /s/ Kevin Insley
    ---------------------------------------
For and on behalf of
ELAN CORPORATION, PLC, ACTING THROUGH
ITS DIVISION ELAN PHARMACEUTICAL
TECHNOLOGIES

SIGNED

BY: /s/ Kevin Insley
    ---------------------------------------
for and on behalf of
ELAN PHARMA INTERNATIONAL LIMITED




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