Patent Assignment
Reel/Frame 018732/0043
Assignment of Assignor's Interest
Recorded: 2007-01-09
Pages: 3
Assignee
NORTEL NETWORKS LIMITED
2351 BOULEVARD ALFRED-NOBEL, ST. LAURENT, H4S2A9, CANADA
Covered Property
(1)
Method and Apparatus for Managing Buffers During Transitions Between Heterogenous Networks
Application:
11/621,280 →
Publication:
US 2008/0159233
Related Assignments
(3)
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 027143/0717 →
Assignment of Assignor's Interest
Mar 12, 2014
From: ROCKSTAR BIDCO, LP
To: ROCKSTAR CONSORTIUM US LP
Reel/Frame 032436/0804 →
Assignment of Assignor's Interest
Feb 9, 2015
From: ROCKSTAR CONSORTIUM US LP; ROCKSTAR CONSORTIUM LLC; BOCKSTAR TECHNOLOGIES LLC; CONSTELLATION TECHNOLOGIES LLC
To: RPX CLEARINGHOUSE LLC
Reel/Frame 034924/0779 →