Patent Assignment
Reel/Frame 039048/0204
Assignment of Assignor's Interest
Recorded: 2016-06-30
Pages: 8
Assignee
PEKING UNIVERSITY
NO. 5 YIHEYUAN ROAD, HAIDIAN DISTRICT, BEIJING, 100871, CHINA
Covered Property
(1)
Tag Refinement Strategies for Social Tagging Systems
Application:
15/197,458 →
Publication:
US 2016/0306805
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Jan 29, 2019
From: EMPIRE TECHNOLOGY DEVELOPMENT LLC
To: CRESTLINE DIRECT FINANCE, L.P.
Reel/Frame 048373/0217 →
Release of Security Interest
Jul 31, 2019
From: CRESTLINE DIRECT FINANCE, L.P.
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 049924/0794 →
Release of Security Interest in Patents, Recorded on January 29, 2019 at Reel 048373 Frame 0217
Sep 22, 2025
From: CRESTLINE DIRECT FINANCE, L.P., AS COLLATERAL AGENT
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 072936/0464 →