Patent Assignment
Reel/Frame 015175/0838
Assignment of Assignor's Interest
Recorded: 2004-04-05
Pages: 3
Assignor
NORTHERN TELECOM LIMITED
Executed: 1999-04-29
Assignee
NORTEL NETWORKS CORPORATION
WORLD TRADE CENTER OF MONTREAL, 380 ST. ANTOINE STREET WEST, 8TH FLOOR, MONTREAL, QUEBEC, H2Y 3Y4, CANADA
Covered Property
(1)
Method and Apparatus for Transporting Ds-X Signals Through a Packet Network
Related Assignments
(10)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 5, 2004
From: BERNSTEIN, GREG M.; DESAI, PREMAL; GULLICKSEN, JEFFREY T.
To: NORTHERN TELECOM LIMITED
Reel/Frame 015175/0930 →
Change of Name
Apr 5, 2004
From: NORTEL NETWORKS CORPORATION
To: NORTEL NETWORKS LIMITED
Reel/Frame 015175/0860 →
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 →
Assignment of Assignor's Interest
May 8, 2017
From: SPHERIX INCORPORATED
To: INTERNATIONAL LICENSE EXCHANGE OF AMERICA, LLC
Reel/Frame 042273/0433 →