SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   FORM 12b-25



                           NOTIFICATION OF LATE FILING

      (Check One): [ ] Form 10-K  [ ] Form 11-K  [ ] Form 20F [X] Form 10-Q
[ ] Form N-SAR

      For Period Ended:  March 31, 2002
                         --------------

[ ] Transition Report on Form 10-K       [ ] Transition Report on Form 10-Q

[ ] Transition Report on Form 20-F      [ ] Transition Report on Form N-SAR

[ ] Transition Report on Form 11-K


      For the Transition Period Ended:
                                       -----------------------------------------

      READ ATTACHED INSTRUCTION SHEET BEFORE PREPARING FORM. PLEASE PRINT OR
TYPE.

      Nothing in this form shall be construed to imply that the  Commission  has
verified any information contained herein.

      If the  notification  relates to a portion of the  filing  checked  above,
identify the item(s) to which the notification relates:

                                     PART I
                             REGISTRANT INFORMATION

Full name of registrant: Vertical Computer Systems, Inc..
                         --------------------------------

Former name if applicable: Scientific Fuel Technologies, Inc.
                           ----------------------------------

Address of principal executive office (Street and number):  6336 Wilshire Blvd.
                                                            --------------------
City, state and zip code:  Los Angeles, CA  90048
                           ----------------------


                                     PART II
                             RULE 12B-25 (B) AND (C)

      If the subject  report could not be filed without  unreasonable  effort or
expense  and  the  registrant  seeks  relief  pursuant  to Rule  12b-25(b),  the
following should be completed. (Check appropriate box.)

[X]   (a) The reasons  described in  reasonable  detail in Part III of this form
      could not be eliminated without unreasonable effort or expense;

[X]   (b) The subject annual report,  semi-annual  report,  transition report on
      Form 10-K,  20-F,  11-K or Form N-SAR, or portion thereof will be filed on
      or before the 15th calendar day following the  prescribed due date; or the
      subject  quarterly  report or  transition  report on Form 10-Q, or portion
      thereof will be filed on or before the fifth  calendar day  following  the
      prescribed due date; and

[ ]   (c) The accountant's statement or other exhibit required by Rule 12b-25(c)
      has been attached if applicable.




                                                                     FORM 12B-25


                                    PART III
                                    NARRATIVE

      State below in reasonable  detail the reasons why Form 10-K,  11-K,  10-Q,
N-SAR or the  transition  report  portion  thereof could not be filed within the
prescribed time period. (Attach extra sheets if needed.)

      Due to unforeseeable circumstances,  which caused a delay in preparing the
financial  statements  for the quarter  ended  March 31,  2002,  the  Registrant
respectfully requests an extension of the filing date of its Quarterly Report on
Form 10-QSB for the quarter ended March 31, 2002.


                                     PART IV
                                OTHER INFORMATION

      1.  Name and  telephone  number  of person  to  contact  in regard to this
          notification:
            Richard S. Wade         (323)                   658-4211
            ------------------------------------------------------------------
            (Name)                  (Area code)       (Telephone number)

      2.  Have all other periodic  reports required under Section 13 or 15(d) of
the Securities  Exchange Act of 1934 or Section 30 of the Investment  Registrant
Act of 1940 during the  preceding 12 months or for such shorter  period that the
registrant was required to file such report(s) been filed?  If the answer is no,
identify report(s).

                                                [X]  Yes  [ ] No

      3.  Is it anticipated that any significant change in results of operations
from the corresponding  period for the last fiscal year will be reflected by the
earnings statements to be included in the subject report or portion thereof?

                                                [ ]  Yes  [X] No

      If so: attach an explanation of the anticipated  change,  both narratively
and  quantitatively,  and, if  appropriate,  state the reasons why a  reasonable
estimate of the results cannot be made.


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                                                                     FORM 12B-25

                         Vertical Computer Systems, Inc.
                         -------------------------------
                  (Name of registrant as specified in charter)

Has  caused  this  notification  to be signed on its  behalf by the  undersigned
thereunto duly authorized.




Date:  May 16, 2002                    By:      /s/ Richard S. Wade
                                            ----------------------------------
                                    Richard S. Wade, President



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