Patent Assignment
Reel/Frame 011294/0714
Assignment of Assignor's Interest
Recorded: 2000-11-02
Pages: 2
Assignor
GRAVES, ALAN F.
Executed: 2000-10-31
Assignee
NORTEL NETWORKS LIMITED
380 ST. ANTOINE ST. WEST, 8TH FLOOR, WORLD TRADE CENTER OF MONTREAL, MONTREAL, QUEBEC, H2Y 3, CANADA
Covered Property
(1)
Optical Switching System for Switching Opticals Signals in Wavelength Groups
Patent:
6,882,800 →
Application:
09/703,631 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 28, 2011
From: NORTEL NETWORKS LIMITED
To: ROCKSTAR BIDCO, LP
Reel/Frame 027164/0356 →
Assignment of Assignor's Interest
Jan 3, 2014
From: ROCKSTAR BIDCO, LP
To: ROCKSTAR CONSORTIUM US LP
Reel/Frame 031911/0856 →
Assignment of Assignor's Interest
Mar 28, 2014
From: ROCKSTAR CONSORTIUM US LP
To: SPHERIX PORTFOLIO ACQUISITION II, INC.
Reel/Frame 032611/0084 →
Assignment of Assignor's Interest
Mar 26, 2015
From: SPHERIX PORTFOLIO ACQUISITION II, INC.
To: SPHERIX INCORPORATED
Reel/Frame 035267/0174 →
Security Interest
Apr 20, 2015
From: ROCKSTAR CONSORTIUM US LP
To: RPX CLEARINGHOUSE LLC
Reel/Frame 035463/0588 →
Security Interest
Apr 20, 2015
From: SPHERIX INCORPORATED; SPHERIX PORTFOLIO ACQUISITION II, INC.
To: ROCKSTAR CONSORTIUM US LP
Reel/Frame 035463/0584 →
Release of Security Interest
Mar 3, 2016
From: RPX CLEARINGHOUSE LLC
To: SPHERIX INCOPORATED
Reel/Frame 037992/0488 →