IP Library Assignment 019941/0750
Patent Assignment
Reel/Frame 019941/0750

Assignment of Assignor's Interest

Recorded: 2007-10-10 Pages: 4
Assignors
XU, LEON
Executed: 2007-08-31
PALLENBERG, ALEXANDER J.
Executed: 2007-08-31
Assignee
LIGHT SCIENCES ONCOLOGY, INC.
34931 SOUTHEAST DOUGLAS STREET, SUITE 250, SNOQUALMIE, WASHINGTON, 98065
Covered Property (1)
Compositions and Methods of Making a Photoactive Agent
Patent: 8,198,312 →
Application: 11/772,024 →
Publication: US 2008/0021210
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 →