IP Library › Assignment 022579/0159
Patent Assignment
Reel/Frame 022579/0159

Assignment of Assignor's Interest

Recorded: 2009-04-22 Pages: 2
Assignor
CHARI, RAVI V.J.
Executed: 2008-12-09
Assignee
IMMUNOGEN INC.
830 WINTER STREET, WALTHAM, MASSACHUSETTS, 02451
Covered Property (1)
Leptomycin Derivatives
Patent: 7,816,543 →
Application: 12/276,568 →
Publication: US 2009/0182038
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 23, 2009
From: IMMUNOGEN INC.
To: SANOFI-AVENTIS
Reel/Frame 022585/0715 →
Assignment of Assignor's Interest Apr 23, 2009
From: BOUCHARD, HERVE; COMMERCON, ALAIN
To: SANOFI-AVENTIS
Reel/Frame 022587/0650 →
Corrective Assignment to Correct the Execution Date of the Assignment from Immunogen Inc. to Sanofi-Aventis Previously Recorded on Reel 022585 Frame 0715. Assignor(S) Hereby Confirms the Execution Date of the Assignment from Immunogen Inc. to Sanofi-Aventis Should Have Been December 9, 2008 Not September 19, 2008. Apr 19, 2011
From: IMMUNOGEN INC.
To: SANOFI-AVENTIS
Reel/Frame 026147/0963 →
Change of Name Jun 20, 2012
From: SANOFI-AVENTIS
To: SANOFI
Reel/Frame 028413/0927 →