IP Library › Assignment 015091/0335
Patent Assignment
Reel/Frame 015091/0335

Assignment of Assignor's Interest

Recorded: 2004-03-12 Pages: 7
Assignor
SYLVAIN, DANY
Executed: 2000-03-30
Assignee
NORTEL NETWORKS LIMITED
2351 BOULEVARD ALFRED-NOBEL, ST. LAURENT, QUEBEC H4S 2A9, CANADA
Covered Property (1)
Method and System Enabling Communications Between a Switched Telephone Network and a Wirless Network
Patent: 6,961,328 →
Application: 10/800,054 →
Publication: US 2004/0176088
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 027164/0356 →
Assignment of Assignor's Interest Apr 3, 2013
From: ROCKSTAR BIDCO, LP
To: MICROSOFT CORPORATION
Reel/Frame 030147/0562 →
Assignment of Assignor's Interest Dec 9, 2014
From: MICROSOFT CORPORATION
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 034541/0477 →