Patent Assignment
Reel/Frame 044117/0172
Assignment of Assignor's Interest
Recorded: 2017-10-04
Pages: 229
Assignor
YAHOO! INC.
Executed: 2016-05-31
Assignee
EXCALIBUR IP, LLC
140 EAST 45TH STREET, 15TH FLOOR, NEW YORK, NEW YORK, 10017
Covered Property
(1)
Instant Messaging Interoperability Between Disparate Service Providers
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 4, 2017
From: VEMULAPALLI, RAJANIKANTH; LU, MING JUDY; KOTA, JAYARAMA KUMAR
To: YAHOO! INC.
Reel/Frame 043775/0624 →
Assignment of Assignor's Interest
Jan 30, 2020
From: EXCALIBUR IP, LLC
To: SLACK TECHNOLOGIES, INC.
Reel/Frame 051761/0307 →
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 →