Patent Assignment
Reel/Frame 019567/0490
Corrective Assignment to Correct the the Assignor's Name from Bischof, Eric D. to Bischoff, Eric D. Previously Recorded on Reel 017027 Frame 0113. Assignor(S) Hereby Confirms the Assignment of Assignors Interest (See Document for Details).
Recorded: 2007-07-17
Pages: 9
Assignors
LAMPH, WILLIAM W.
Executed: 2004-10-28
BISCHOFF, ERIC D.
Executed: 2004-10-13
HEYMAN, RICHARD A.
Executed: 2004-10-13
Assignee
LIGAND PHARMACEUTICALS INCORPORATED
10275 SCIENCE CENTER DRIVE, SAN DIEGO, CALIFORNIA, 92121-1117
Covered Property
(1)
Methods and Pharmaceutical Compositions for Treatment of Anti-Estrogen Resistant Breast Cancer Using Rxr Modulators
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 16, 2005
From: LAMPH, WILLIAM W.; BISCHOF, ERIC D.; HEYMAN, RICHARD A.
To: LIGAND PHARMACEUTICALS INCORPORATED
Reel/Frame 017027/0113 →
Assignment of Assignor's Interest
Aug 6, 2008
From: LIGAND PHARMACEUTICALS INCORPORATED; SERAGEN, INC.
To: EISAI INC.
Reel/Frame 021339/0344 →