IP Library › Assignment 014462/0343
Patent Assignment
Reel/Frame 014462/0343

Confirmation of Exclusive Patent License

Recorded: 2003-09-09 Pages: 4
Assignor
DAIICHI PHARMACEUTICAL CO., LTD.
Executed: 2003-04-01
Assignee
PFIZER INC.
235 EAST 42ND STREET, NEW YORK, NEW YORK, 10017
Covered Properties (3)
Spiro Compound
Patent: 5,286,723 →
Application: 07/902,560 →
Optically Active Pyridonecarboxylic Acid Derivatives
Patent: 5,587,386 →
Application: 08/142,105 →
Quinolonecarboxylic Acid Derivative
Patent: 6,900,225 →
Application: 10/275,972 →
Publication: US 2003/0187008
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 31, 2003
From: TAKEMURA, MAKOTO; TAKAHASHI, HISASHI; KAWAKAMI, KATSUHIRO; ITOH, MASAO
To: DAIICHI PHARMACEUTICAL CO., LTD.
Reel/Frame 013902/0758 →
Merger Oct 30, 2007
From: DAIICHI PHARMACEUTICAL CO., LTD.
To: DAIICHI SANKYO COMPANY, LIMITED
Reel/Frame 020035/0398 →