Patent Assignment
Reel/Frame 014094/0767
Assignment of Assignor's Interest
Recorded: 2003-05-16
Pages: 2
Assignor
SYLVAIN, DANY
Executed: 2003-04-26
Assignee
NORTEL NETWORKS LIMITED
2351 BOULEVARD ALFRED-NOBEL, ST. LAURENT, QUEBEC, H4S 2A9, CANADA
Covered Property
(1)
Detecting Multimedia Capability of a Caller
Patent:
7,366,183 →
Application:
10/439,518 →
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 →