IP Library Assignment 024493/0220
Patent Assignment
Reel/Frame 024493/0220

Corrective Assignment to Correct the Nature of Conveyance of Interest by Biotest Ag to Immunogen, Inc. (One-Half Interest Is Conveyed to Immunogen Inc.) Previously Recorded on Reel 022417 Frame 0170. Assignor(S) Hereby Confirms the Nature of Conveyance of Interest by Biotest Ag to Immunogen, Inc. (One-Half Interest Is Conveyed to Immunogen Inc.).

Recorded: 2010-06-07 Pages: 5
Assignor
BIOTEST AG (ONE-HALF INTEREST)
Executed: 2009-01-20
Assignee
IMMUNOGEN INC. (ONE-HALF INTEREST)
830 WINTER STREET, WALTHAM, MASSACHUSETTS, 02451-1477
Covered Property (1)
Methods and Agents for Improving Targeting of CD138 Expressing Tumor Cells
Patent: 9,446,146 →
Application: 12/342,815 →
Publication: US 2009/0169570
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 17, 2009
From: BIOTEST AG
To: IMMUNOGEN, INC.
Reel/Frame 022417/0170 →
Assignment of Assignor's Interest Mar 17, 2009
From: DAELKEN, BENJAMIN; UHEREK, CHRISTOPH; BRUECHER, CHRISTOPH
To: BIOTEST AG
Reel/Frame 022417/0179 →
Assignment of Assignor's Interest Mar 17, 2009
From: ANDERSON, KENNETH; HIDESHIMA, TERU
To: DANA-FARBER CANCER INSTITUTE
Reel/Frame 022417/0720 →
Assignment of Assignor's Interest Aug 10, 2016
From: OSTERROTH, FRANK; AIGNER, SILKE; GERMER, MATTIAS
To: BIOTEST AG
Reel/Frame 039390/0168 →