Patent Assignment
Reel/Frame 058105/0285
Assignment of Assignor's Interest
Recorded: 2021-11-13
Pages: 4
Assignor
WITT-EHSANI, SILKE
Executed: 2011-09-01
Assignee
WEST CORPORATION
11808 MIRACLE HILLS DRIVE, MSW11-LEGAL, OMAHA, NEBRASKA, 68154
Covered Property
(1)
Method and Apparatus of Providing Semi-Automated Classifier Adaptation for Natural Language Processing
Patent:
9,576,579 →
Application:
14/840,202 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Release of Security Interest
Nov 3, 2017
From: U.S. BANK NATIONAL ASSOCIATION
To: WEST CORPORATION; WEST INTERACTIVE SERVICES CORPORATION; WEST SAFETY SERVICES, INC.; WEST UNIFIED COMMUNICATIONS SERVICES, INC.
Reel/Frame 044363/0380 →
Assignment of Assignor's Interest
Nov 27, 2017
From: WEST CORPORATION
To: OPEN INVENTION NETWORK, LLC
Reel/Frame 044791/0681 →