Patent Assignment
Reel/Frame 055024/0441
Assignment of Assignor's Interest
Recorded: 2021-01-25
Pages: 12
Assignor
EXCALIBUR IP, LLC
Executed: 2020-01-11
Assignee
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET, SAN FRANCISCO, CALIFORNIA, 94105
Covered Property
(1)
Search System and Methods with Integration of User Annotations from a Trust Network
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 25, 2021
From: LU, QI; WALTHER, ECKART; KU, DAVID; TAM, CHUNG-MAN
To: YAHOO! INC.
Reel/Frame 055024/0314 →
Assignment of Assignor's Interest
Jan 25, 2021
From: YAHOO! INC.
To: EXCALIBUR IP, LLC
Reel/Frame 055107/0001 →
Merger
Jul 29, 2021
From: SLACK TECHNOLOGIES, INC.
To: SLACK TECHNOLOGIES, LLC
Reel/Frame 057475/0404 →
Assignment of Assignor's Interest
Aug 18, 2023
From: SLACK TECHNOLOGIES, LLC
To: SALESFORCE, INC.
Reel/Frame 064642/0564 →