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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549




                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                                (Amendment No. )*

                             SEATTLE GENETICS, INC.
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                    812578102
                      ------------------------------------
                                 (CUSIP Number)


                                December 31, 2001
             (Date of Event Which Requires Filing of this Statement)


     Check the  appropriate  box to  designate  the rule  pursuant to which this
Schedule is filed:

              [_] Rule 13d-1(b)

              [ ] Rule 13d-1(c)

              [X] Rule 13d-1(d)


     *The  remainder  of this cover  page  shall be filled  out for a  reporting
     person's  initial  filing on this form with respect to the subject class of
     securities,  and for any subsequent amendment containing  information which
     would alter the disclosures provided in a prior cover page.

     The  information  required in the remainder of this cover page shall not be
     deemed to be  "filed"  for the  purpose  of  Section  18 of the  Securities
     Exchange  Act of 1934 ("Act") or otherwise  subject to the  liabilities  of
     that section of the Act but shall be subject to all other provisions of the
     Act (however, see the Notes).

     Potential  persons  who are to respond  to the  collection  of  information
     contained in this form are not required to respond unless the form displays
     a currently valid OMB control number.









-------------------------------------------------------------------------------
CUSIP NO. 812578102             13G                           Page 2 of 8 Pages
-------------------------------------------------------------------------------


-------- ----------------------------------------------------------------------
   1     NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         Paul G. Allen
-------- ----------------------------------------------------------------------
   2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                          (a) [_]
                                                          (b) [_]

-------- ----------------------------------------------------------------------
   3     SEC USE ONLY



-------- ----------------------------------------------------------------------
   4     CITIZENSHIP OR PLACE OF ORGANIZATION


         United States of America
-------- ----------------------------------------------------------------------
                            ----- ---------------------------------------------
                             5    SOLE VOTING POWER
        NUMBER OF
          SHARES                  -0- shares
       BENEFICIALLY
         OWNED BY
           EACH
        REPORTING
          PERSON
           WITH
                            ----- ---------------------------------------------
                             6    SHARED VOTING POWER

                                  2,721,088 shares (1)
                            ----- ---------------------------------------------
                             7    SOLE DISPOSITIVE POWER


                                  -0- shares
                            ----- ---------------------------------------------
                             8    SHARED DISPOSITIVE POWER


                                  2,721,088 shares (1)
--------------------------- ----- ---------------------------------------------
   9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         2,721,088 shares (1)
-------- ----------------------------------------------------------------------
  10     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                          [_]



-------- ----------------------------------------------------------------------
  11     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9


         9.3 %
-------- ----------------------------------------------------------------------
  12     TYPE OF REPORTING PERSON*

         IN
-------- ----------------------------------------------------------------------

(1) Directly owned by Vulcan  Ventures  Incorporated.  Paul G. Allen is the sole
shareholder  of Vulcan  Ventures  Incorporated  and may be deemed to have shared
voting and dispositive power with respect to such shares.

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




-------------------------------------------------------------------------------
CUSIP NO. 812578102             13G                           Page 3 of 8 Pages
-------------------------------------------------------------------------------

-------- ----------------------------------------------------------------------
   1     NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         Vulcan Ventures Incorporated
-------- ----------------------------------------------------------------------
   2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                              (a) [_]
                                                              (b) [_]

-------- ----------------------------------------------------------------------
   3     SEC USE ONLY



-------- ----------------------------------------------------------------------
   4     CITIZENSHIP OR PLACE OF ORGANIZATION


         State of Washington
-------- ----------------------------------------------------------------------
                            ----- ---------------------------------------------
                             5    SOLE VOTING POWER

        NUMBER OF
          SHARES                  -0- shares
       BENEFICIALLY
         OWNED BY
           EACH
        REPORTING
          PERSON
           WITH
                            ----- ---------------------------------------------
                             6    SHARED VOTING POWER

                                  2,721,088 shares (1)
                            ----- ---------------------------------------------
                             7    SOLE DISPOSITIVE POWER


                                  -0- shares
                            ----- ---------------------------------------------
                             8    SHARED DISPOSITIVE POWER

                                  2,721,088 shares (1)
--------------------------- ----- ---------------------------------------------
   9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON


         2,721,088 shares (1)
-------- ----------------------------------------------------------------------
  10     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                          [_]



-------- ----------------------------------------------------------------------
  11     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

         9.3 %
-------- ----------------------------------------------------------------------
  12     TYPE OF REPORTING PERSON*

         CO
-------- ----------------------------------------------------------------------

(1) Directly owned by Vulcan  Ventures  Incorporated.  Paul G. Allen is the sole
shareholder  of Vulcan  Ventures  Incorporated  and may be deemed to have shared
voting and dispositive power with respect to such shares.

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




Item 1 (a).       Name of Issuer:   SEATTLE GENETICS, INC.

Item 1 (b).       Address of Issuer's Principal Executive Offices:

                           21823 30th Drive SE
                           Bothell, WA  98021


Item 2 (a).       Name of Person Filing: Paul G. Allen and Vulcan Ventures
                  Incorporated

Item 2 (b).       Address of Principal Business Office or, if none, Residence:

                  505 Union Station, 505 Fifth Avenue South, Suite 900
                  Seattle, Washington  98104



Item 2 (c).       Citizenship:  Paul G. Allen is a citizen of the United States
                  of  America.  Vulcan  Ventures Incorporated  is a corporation
                   organized under the laws of the State of Washington.

Item 2 (d).       Title of Class of Securities:
                  Common Stock, par value $0.001 per share.

Item 2 (e).       CUSIP Number:     812578102



Item 3.           If this Statement is filed pursuant to Rule 13d-1(b), or
                  13d-2(b) or (c), check whether the person filing is a:

                  Not applicable.

Item 4.           Ownership

         (a)      Amount Beneficially Owned:  2,721,088 shares (1)

         (b).     Percent of Class:  9.3% (1)

         (c)      Number of Shares as to which Such Person has:

(i)    sole power to vote or to direct the vote                  -0- shares
(ii)   shared power to vote or to direct the vote           2,721,088 shares (1)
(iii)  sole power to dispose or to direct the disposition of     -0- shares
(iv)   shared power to dispose or to direct the disposition of
                                                            2,721,088 shares (1)
 ----------------
           (1)  Percentages  are based upon  29,317,524  shares of Common  Stock
outstanding  as of October 31, 2001, as reported in the issuer's 10-Q filed with
the Securities and Exchange  Commission on November 9, 2001. Shares beneficially
owned by Paul G. Allen are held indirectly through Vulcan Ventures Incorporated,
a company owned 100% by Mr. Allen.


Item 5.           Ownership of Five Percent or Less of a Class

                  If this statement is being filed to report the fact that as of
                  the date  hereof  the  reporting  person  has ceased to be the
                  beneficial  owner of more  than five  percent  of the class of
                  securities, check the following [_].

                                Page 4 of 8 Pages



Item 6.           Ownership of More Than Five Percent on Behalf of Another
                  Person

                  Not applicable.


Item 7.           Identification  and  Classification  of the  Subsidiary
                  Which  Acquired the Security Being Reported on by the Parent
                  Holding Company

                  Not applicable.


Item 8.           Identification and Classification of Members of the Group

                  Not applicable.


Item 9.           Notice of Dissolution of Group

                  Not applicable.


Item 10. Certification

                  Not applicable.







                               Page 5 of 8 Pages





                                   SIGNATURES

         After reasonable  inquiry and to the best of my knowledge and belief, I
certify that the information  set forth in this statement is true,  complete and
correct.

                   VULCAN VENTURES INCORPORATED



February 11, 2002  By:  /s/ William D. Savoy
                     -----------------------------------------------------------
                     William D. Savoy, Vice President


February 11, 2002                             *
                   -------------------------------------------------------------
                   Paul G. Allen

                  *By: /s/William D. Savoy
                       ---------------------------------------------------------
                    William  D.  Savoy as  Attorney-in  Fact  for Paul G.  Allen
                    pursuant  to a Power of Attorney  filed on August 30,  1999,
                    with the Schedule 13G of Vulcan  Ventures  Incorporated  and
                    Paul G. Allen for Pathogenesis, Inc. and incorporated herein
                    by reference.









50288553.01
                                  EXHIBIT INDEX


     Exhibit                                                  Description
       99.1         Joint Filing Agreement











                                  EXHIBIT 99.1

                             Joint Filing Agreement


                  We,  the  signatories  of the  statement  to which  this Joint
         Filing  Agreement  is  attached,  hereby  agree that such  statement is
         filed, and any amendments thereto filed by either or both of us will be
         filed, on behalf of each of us.

         Dated: February 11, 2002.

                    VULCAN VENTURES INCORPORATED



                    By:  /s/ William D. Savoy
                      ----------------------------------------------------------
                      William D. Savoy, Vice President


                             *
                    ------------------------------------------------------------
                    Paul G. Allen

                   *By: /s/ William D. Savoy
                        --------------------------------------------------------
                    William  D.  Savoy as  Attorney-in  Fact  for Paul G.  Allen
                    pursuant  to a Power of Attorney  filed on August 30,  1999,
                    with the Schedule 13G of Vulcan  Ventures  Incorporated  and
                    Paul G. Allen for Pathogenesis, Inc. and incorporated herein
                    by reference.