Patent Assignment
Reel/Frame 029092/0613
Nunc Pro Tunc Assignment
Recorded: 2012-10-08
Pages: 8
Assignors
BJORKENGREN, ULF
Executed: 2010-10-28
HARTUNG, FRANK
Executed: 2010-11-15
CATREIN, DANIEL
Executed: 2010-11-15
CHENG, YI
Executed: 2010-10-27
Assignee
ST-ERICSSON SA
CHEMIN DU CHAMP-DES-FILLES 39, PLAN-LES-QUATES, 1228, SWITZERLAND
Covered Property
(1)
Method and Device for Imposing Usage Constraints of Digital Content
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Status Change-Entity in Liquidation
Feb 2, 2016
From: ST-ERICSSON SA
To: ST-ERICSSON SA, EN LIQUIDATION
Reel/Frame 037739/0493 →
Assignment of Assignor's Interest
Mar 5, 2019
From: ST-ERICSSON SA, EN LIQUIDATION
To: OPTIS CIRCUIT TECHNOLOGY, LLC,
Reel/Frame 048504/0519 →
Assignment of Assignor's Interest
Mar 7, 2019
From: OPTIS CIRCUIT TECHNOLOGY, LLC,
To: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
Reel/Frame 048529/0510 →