Patent Assignment
Reel/Frame 026859/0417
Assignment of Assignor's Interest
Recorded: 2011-09-06
Pages: 4
Assignor
WITT-EHSANI, SILKE
Executed: 2011-09-01
Assignee
WEST CORPORATION
11808 MIRACLE HILLS DRIVE, MS W11-LEGAL, OMAHA, NEBRASKA, 68154
Covered Property
(1)
Method and Apparatus of Providing Semi-Automated Classifier Adaptation for Natural Language Processing
Patent:
8,606,575 →
Application:
13/225,852 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Supplemental Patent Security Agreement
Mar 20, 2014
From: WEST CORPORATION, AS GRANTOR; WEST NOTIFICATIONS, INC., AS GRANTOR
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 032483/0518 →
Security Interest
Jun 20, 2016
From: WEST CORPORATION; WEST INTERACTIVE SERVICES CORPORATION; WEST SAFETY SERVICES, INC.; WEST UNIFIED COMMUNICATIONS SERVICES, INC.
To: U.S. BANK NATIONAL ASSOCIATION
Reel/Frame 039093/0944 →
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 →
Release of Security Interest
May 1, 2018
From: U.S. BANK NATIONAL ASSOCIATION
To: WEST CORPORATION; WEST INTERACTIVE SERVICES CORPORATION; WEST SAFETY SERVICES, INC.; WEST UNIFIED COMMUNICATIONS SERVICES, INC.
Reel/Frame 046046/0547 →
Release of Security Interest
Dec 20, 2022
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: WEST CORPORATION; WEST NOTIFICATIONS, INC.
Reel/Frame 062160/0371 →