skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 5
Patent #:
10726019
Issue Dt:
07/28/2020
Application #:
15810507
Filing Dt:
11/13/2017
Publication #:
20180067994
Pub Dt:
03/08/2018
Inventors:
Qi Lu, Eckart Walther, David Ku, Chung-Man Tam, Kevin Lee, Zhichen Xu, Ali Diab et al
Title:
Search system and methods with integration of user annotations from a trust network
Assignment: 1
Reel/Frame:
044104/0881Recorded: 11/13/2017Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
LU, QI
Exec Dt:
06/22/2005
WALTHER, ECKART
Exec Dt:
06/22/2005
KU, DAVID
Exec Dt:
06/22/2005
TAM, CHUNG-MAN
Exec Dt:
06/20/2005
LEE, KEVIN
Exec Dt:
06/22/2005
XU, ZHICHEN
Exec Dt:
06/24/2005
DIAB, ALI
Exec Dt:
06/22/2005
NORTON, KENNETH
Exec Dt:
06/10/2005
MAO, JIANCHANG
Exec Dt:
06/24/2005
Assignee:
YAHOO! INC.
701 FIRST AVENUE
SUNNYVALE, CALIFORNIA 94089
Correspondent:
PILLSBURY WINTHROP SHAW PITTMAN LLP - EX
P.O. BOX 10500
MCLEAN, VA 22102
Assignment: 2
Reel/Frame:
044428/0010Recorded: 11/13/2017Pages: 187
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
YAHOO! INC.
Exec Dt:
05/31/2016
Assignee:
EXCALIBUR IP, LLC
701 FIRST AVENUE
SUNNYVALE, CALIFORNIA 94089
Correspondent:
PILLSBURY WINTHROP SHAW PITTMAN LLP - EX
P.O. BOX 10500
MCLEAN, VA 22102
Assignment: 3
Reel/Frame:
051761/0307Recorded: 01/30/2020Pages: 13
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
EXCALIBUR IP, LLC
Exec Dt:
01/11/2020
Assignee:
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Correspondent:
BRIAN C. ELLSWORTH
ALSTON & BIRD LLP
101 SOUTH TRYON STREET, SUITE 4000
CHARLOTTE, NC 28280-4000
Assignment: 4
Reel/Frame:
057475/0404Recorded: 07/29/2021Pages: 5
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
SLACK TECHNOLOGIES, INC.
Exec Dt:
07/21/2021
Assignee:
SLACK TECHNOLOGIES, LLC
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Correspondent:
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 5
Reel/Frame:
064642/0564Recorded: 08/18/2023Pages: 36
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
SLACK TECHNOLOGIES, LLC
Exec Dt:
07/07/2023
Assignee:
SALESFORCE, INC.
SALESFORCE TOWER
415 MISSION STREET, 3RD FLOOR
SAN FRANCISCO, CALIFORNIA 94105
Correspondent:
ERISE IP, P.A.
7015 COLLEGE BLVD.
SUITE 700
OVERLAND PARK, KS 66211

Search Results as of: 06/16/2025 04:33 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT