Patent Assignment
Reel/Frame 026101/0033
Corrective Assignment to Correct the Interest Conveyed to One-Half Interest Previously Recorded on Reel 025027 Frame 0972. Assignor(S) Hereby Confirms the Interest Conveyed by Biotest Ag to Immunogen, Inc. to Be One-Half Interest.
Recorded: 2011-04-08
Pages: 4
Assignor
BIOTEST AG (ONE-HALF INTEREST)
Executed: 2010-08-20
Assignee
IMMUNOGEN, INC. (ONE-HALF INTEREST)
830 WINTER STREET, WALTHAM, MASSACHUSETTS, 02451-1477
Covered Property
(1)
Uses of Immunoconjugates Targeting CD138
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.