Patent Assignment
Reel/Frame 039052/0987
Assignment of Assignor's Interest
Recorded: 2016-06-30
Pages: 6
Assignor
MILLENNIUM PHARMACEUTICALS, INC.
Executed: 2015-03-19
Assignee
IMMUNOGEN, INC.
830 WINTER STREET, WALTHAM, MASSACHUSETTS, 02451
Covered Property
(1)
Method of Acylating Maytansinol with Chiral Amino Acids
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Address Change
May 13, 2008
From: IMMUNOGEN, INC.
To: IMMUNOGEN, INC.
Reel/Frame 020930/0905 →
Assignment of Assignor's Interest
Jun 30, 2016
From: CARROZZELLA, DARREN J.; HO, GUOJIE
To: MILLENNIUM PHARMACEUTICALS, INC.
Reel/Frame 039052/0966 →
Patent Security Agreement
Apr 6, 2023
From: IMMUNOGEN, INC.; IMMUNOGEN SWITZERLAND GMBH
To: BIOPHARMA CREDIT PLC
Reel/Frame 063282/0894 →
Release of Security Interest
Feb 12, 2024
From: BIOPHARMA CREDIT PLC
To: IMMUNOGEN, INC.; IMMUNOGEN SWITZERLAND GMBH
Reel/Frame 066553/0109 →