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Trademark Assignment Abstract of Title

Total Assignments: 2
Serial #:
Filing Dt:
03/23/1992
Reg #:
Reg. Dt:
08/01/1995
Mark:
HYBRIDON
Assignment: 1
Reel/Frame:
1686/0022   Recorded: 01/29/1998Pages: 55
Conveyance:
ASSIGNMENT/SECURITY AGREEMENT
Assignor:
Exec Dt:
01/16/1998
Entity Type:
CORPORATION
Citizenship:
DELAWARE
Assignee:
40 WILLIAMS STREET
CAMBRIDGE, MASSACHUSETTS 02139
Entity Type:
CORPORATION
Citizenship:
CALIFORNIA
Correspondent:
WOLF, GREENFIELD & SACKS, P.C.
STANLEY SACKS, ESQ.
FEDERAL RESERVE PLAZA
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 2
Reel/Frame:
3165/0506   Recorded: 09/27/2005Pages: 3
Conveyance:
CHANGE OF NAME
Assignor:
Exec Dt:
09/12/2005
Entity Type:
CORPORATION
Citizenship:
DELAWARE
Assignee:
345 VASSAR STREET
CAMBRIDGE, MASSACHUSETTS 02139
Entity Type:
CORPORATION
Citizenship:
DELAWARE
Correspondent:
MICHAEL J. BEVILACQUA, ESQ.
WILMER CUTLER PICKERING HALE AND DORRLLP
60 STATE STREET
BOSTON, MA 02109

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