IP Library › Assignment 026483/0280
Patent Assignment
Reel/Frame 026483/0280

Assignment of Assignor's Interest

Recorded: 2011-06-21 Pages: 5
Assignor
BRITISH TELECOMMUNICATIONS PLC
Executed: 2011-04-12
Assignee
RPX CORPORATION
ONE MARKET STREET, STEUART TOWER, SUITE 700, SAN FRANCISCO, CALIFORNIA, 94105
Covered Property (1)
Interactive Dialogues
Patent: 7,143,040 →
Application: 10/312,984 →
Publication: US 2003/0130849
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 3, 2003
From: DURSTON, PETER J.; ATTWATER, DAVID J.
To: BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
Reel/Frame 013704/0565 →
Assignment of Assignor's Interest Jul 8, 2011
From: DURSTON, PETER JOHN; ATTWATER, DAVID JOHN
To: BRITISH TELECOMMUNICATIONS PLC
Reel/Frame 026563/0075 →