IP Library Assignment 039052/0987
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
Patent: 7,598,375 →
Application: 11/500,378 →
Publication: US 2007/0037972
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 →