IP Library › Assignment 021536/0825
Patent Assignment
Reel/Frame 021536/0825

Assignment of Assignor's Interest

Recorded: 2008-09-16 Pages: 8
Assignors
ZHANG, RUOFEI
Executed: 2008-09-15
MAO, JIANCHANG
Executed: 2008-09-15
Assignee
YAHOO! INC.
701 FIRST AVENUE, SUNNYVALE, CALIFORNIA, 94089
Covered Property (1)
Optimization Framework for Tuning Ranking Engine
Patent: 8,108,374 →
Application: 12/211,307 →
Publication: US 2010/0070498
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 23, 2017
From: YAHOO! INC.
To: YAHOO HOLDINGS, INC.
Reel/Frame 042963/0211 →
Assignment of Assignor's Interest Feb 2, 2018
From: YAHOO HOLDINGS, INC.
To: OATH INC.
Reel/Frame 045240/0310 →
Assignment of Assignor's Interest Oct 26, 2020
From: OATH INC.
To: VERIZON MEDIA INC.
Reel/Frame 054258/0635 →
Change of Name Mar 22, 2022
From: VERIZON MEDIA INC.
To: YAHOO AD TECH LLC
Reel/Frame 059472/0163 →