IP Library Assignment 037296/0528
Patent Assignment
Reel/Frame 037296/0528

Assignment of Assignor's Interest

Recorded: 2015-12-15 Pages: 2
Assignors
LI, WEI
Executed: 2012-03-07
ZHAO, ROBERT YONGXIN
Executed: 2012-03-07
Assignee
IMMUNOGEN, INC.
830 WINTER STREET, WALTHAM, MASSACHUSETTS, 02451
Covered Property (1)
Methods for the Preparation of Charged Crosslinkers
Patent: 9,663,492 →
Application: 14/969,720 →
Publication: US 2016/0272616
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →