IP Library › Assignment 023097/0846
Patent Assignment
Reel/Frame 023097/0846

Assignment of Assignor's Interest

Recorded: 2009-08-13 Pages: 2
Assignor
CHEN, JAMES C
Executed: 2009-08-11
Assignee
LIGHT SCIENCES ONCOLOGY, INC.
15405 SE 37TH STREET, SUITE 100, BELLEVUE, WASHINGTON, 98006
Covered Property (1)
Enhancement of Light Activated Therapy by Immune Augmentation Using Anti-Ctla-4 Antibody
Patent: 7,993,640 →
Application: 12/537,139 →
Publication: US 2010/0036311
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 18, 2014
From: LIGHT SCIENCES ONCOLOGY, INC.
To: PURDUE PHARMACEUTICAL PRODUCTS L.P.
Reel/Frame 032274/0112 →
Assignment of Assignor's Interest Apr 1, 2019
From: PURDUE PHARMACEUTICAL PRODUCTS L.P.
To: LIGHT SCIENCES ONCOLOGY INC.
Reel/Frame 048751/0954 →