Patent Assignment
Reel/Frame 021778/0325
Assignment of Assignor's Interest
Recorded: 2008-11-03
Pages: 3
Assignor
IMMUNOGEN INC.
Executed: 2008-09-10
Assignee
SANOFI-AVENTIS
174 AVENUE DE FRANCE, PARIS, FRANCE
Covered Property
(1)
Cytotoxic Agents Comprising New Tomaymycin Derivatives
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 3, 2008
From: GAUZY, LAURENCE; BOUCHARD, HERVE; COMMERCON, ALAIN
To: SANOFI-AVENTIS
Reel/Frame 021775/0396 →
Assignment of Assignor's Interest
Nov 3, 2008
From: CHARI, RAVI V.J.; ZHAO, ROBERT; DENG, YONGHONG; LI, WEI
To: IMMUNOGEN INC.
Reel/Frame 021778/0319 →
Change of Name
Jun 20, 2012
From: SANOFI-AVENTIS
To: SANOFI
Reel/Frame 028413/0927 →