Patent Assignment
Reel/Frame 038942/0303
Assignment of Assignor's Interest
Recorded: 2016-06-17
Pages: 3
Assignor
SANOFI
Executed: 2016-03-20
Assignee
IMMUNOGEN, INC.
830 WINTER STREET, WALTHAM, MASSACHUSETTS, 02451
Covered Property
(1)
Method for Preparing Enantiomerically Enriched N-Carboxyanhydride
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 9, 2010
From: BIGOT, ANTONY; LAMPILAS, MAXIME
To: SANOFI-AVENTIS
Reel/Frame 024051/0956 →
Change of Name
Jun 20, 2012
From: SANOFI-AVENTIS
To: SANOFI
Reel/Frame 028413/0927 →
Corrective Assignment to Correct the Execution Date Previously Recorded on Reel 038942 Frame 0303. Assignor(S) Hereby Confirms the Assignment of Assignors Interest.
Jun 20, 2016
From: SANOFI
To: IMMUNOGEN, INC.
Reel/Frame 039078/0526 →