As a result of the expansion of the relationship with WuXi as a result of the WuXi Letter Agreement, the Company now deems the WuXi Collaboration Agreement to be a material definitive agreement.
The foregoing description of the material terms of the WuXi Collaboration Agreement is qualified in its entirety by reference to the full text of the WuXi Collaboration Agreement, a copy of which will be filed as an exhibit to a subsequent filing with the Securities and Exchange Commission.
March 2020 Patent License Agreement with Xencor
In March 2020, the Company entered into a patent license agreement (“Xencor License Agreement”) with Xencor, Inc. (“Xencor”). Pursuant to the Xencor License Agreement, the Company obtained anon-exclusive, sublicensable (only to the Company’s affiliates and subcontractors) license to incorporate Xencor’s half-life extension Fc region-related technologies into, and to evaluate, antibodies that target any component of a coronavirus, includingSARS-CoV-2, SARS-CoV and MERS-CoV, and a worldwide,non-exclusive, sublicensable license to develop and commercialize products containing such antibodies incorporating such technologies for all uses, including the treatment, palliation, diagnosis and prevention of human or animal diseases, disorders or conditions. The Company is obligated to use commercially reasonable efforts to develop and commercialize an antibody product that incorporates Xencor’s half-life extensionFc-related technologies, for each of the coronavirus research programs. These technologies are used in the Company’sVIR-7831 andVIR-7832 product candidates.
In consideration for the grant of the license, the Company will be obligated to pay royalties based on net sales of licensed products in themid-single-digits. The royalties are payable, on aproduct-by-product andcountry-by-country basis, until the later of expiration of the last to expire valid claim in the licensed patents covering such product in such country or 12 years.
The Xencor License Agreement will remain in force, on aproduct-by-product andcountry-by-country basis, until expiration of all royalty payment obligations under the agreement. The Company may terminate the Xencor License Agreement in its entirety, or on atarget-by-target basis, for convenience upon 60 days’ written notice. Either party may terminate the Xencor License Agreement for the other party’s uncured material breach upon 60 days’ written notice (or 30 days in the case ofnon-payment) or in the event of bankruptcy of the other party immediately upon written notice. Xencor may terminate the Xencor License Agreement immediately upon written notice if the Company challenges, or upon 30 days’ written notice if any of the Company’s sublicensees challenge, the validity or enforceability of any patent licensed to the Company under the Xencor License Agreement.
The Company now deems the Xencor License Agreement to be a material definitive agreement due to the Company’s development of itsVIR-7831 andVIR-7832 product candidates.
The foregoing description of the material terms of the Xencor License Agreement is qualified in its entirety by reference to the full text of the Xencor License Agreement, a copy of which is filed as Exhibit 99.1 to this filing.
Item 8.01 Other Events.
Brii Bio Option Exercise
In May 2018, the Company entered into an option and license agreement with Brii Biosciences Limited (previously named BiiG Therapeutics Limited), and Brii Biosciences Offshore Limited (“Brii Bio”), pursuant to which the Company granted to Brii Bio, with respect to up to four of the Company’s programs (excluding monoclonal antibodies in the Company’s active research and development program against coronaviruses), an exclusive option to obtain exclusive rights to develop and commercialize compounds and products arising from such programs in greater China for the treatment, palliation, diagnosis, prevention or cure of acute and chronic diseases of infectious pathogen origin or hosted by pathogen infection. Brii Bio may exercise each of its options following the Company’s achievement of proof of concept for the first product in such program.
On June 12, 2020, following the Company’s achievement of proof of concept forVIR-2218, Brii Bio notified the Company of the exercise of its option to obtain exclusive rights to develop and commercialize compounds and products arising fromVIR-2218 in greater China. Brii Bio paid the Company a $20.0 million option exercise fee in