Patent Assignment
Reel/Frame 012951/0264
Corrective Assignment to Correct the Address of the Assignee Previously on Reel 012426, Frame 0223.
Recorded: 2002-06-04
Pages: 6
Assignee
NORTEL NETWORKS LIMITED
2351 BOULEVARD ALFRED-NOBEL, ST. LAURENT, QUEBEC, H4S 2, CANADA
Covered Property
(1)
Dynamic presence management
Application:
10/034,431 →
Publication:
US 2003/0135624
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 27, 2001
From: MCKINNON, STEVE J.; CHEN, TA-MING
To: NORTEL NETWORKS LIMITED
Reel/Frame 012426/0223 →
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 10, 2014
From: ROCKSTAR BIDCO, LP
To: ROCKSTAR CONSORTIUM US LP
Reel/Frame 032422/0919 →
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 →