Patent Assignment
Reel/Frame 012961/0356
Assignment of Assignor's Interest
Recorded: 2002-06-05
Pages: 8
Assignors
LEVINE, DAVID A.
Executed: 2002-05-20
PATTERSON, GREG N.
Executed: 2002-05-20
WORSHAM, JAMES
Executed: 2002-05-20
ZHANG, ZHIGIANG ZEEMAN
Executed: 2002-05-31
Assignee
BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
804 MARKET STREET, SUITE 901, WILMINGTON, DELAWARE, 19801
Covered Property
(1)
Method and System for Screening Calls During Voicemail Messaging
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 21, 2008
From: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 021709/0737 →
Change of Name
Oct 21, 2008
From: BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
To: AT&T DELAWARE INTELLECTUAL PROPERTY, INC., F/K/A AT&T BLS INTELLECTUAL PROPERTY, INC., F/K/A AT&T INTELLECTUAL PROPERTY, INC.
Reel/Frame 021709/0743 →
Assignment of Assignor's Interest
Oct 31, 2008
From: AT&T INTELLECTUAL PROPERTY I, L.P.
To: OPEN INVENTION NETWORK LLC
Reel/Frame 021763/0476 →
Assignment of Assignor's Interest
Dec 9, 2021
From: OPEN INVENTION NETWORK LLC
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 058426/0791 →
Corrective Assignment to Correct the Effective Date of the Patent Assignment Agreement Dated November 30, 2021 Previously Recorded at Reel: 058426 Frame: 0791. Assignor(S) Hereby Confirms the Assignment.
Jan 14, 2022
From: OPEN INVENTION NETWORK LLC
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 058736/0436 →