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 Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : XIE, KEFAN
Total Assignments: 8
Assignment: 1
Reel/Frame:056186/0708   Pages: 15
Recorded: 05/10/2021
Attorney Dkt #:2776-7.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAMACHE, MEAGAN
Exec Dt:
11/03/2020
2
BRITO, DIOGENES
Exec Dt:
11/03/2020
3
BENSON, BUSTER
Exec Dt:
05/06/2015
4
XIE, KEFAN
Exec Dt:
10/16/2015
5
JENNINGS, PAUL MATTHEW
Exec Dt:
11/10/2020
6
SULLIVAN, CHRISTOPHER
Exec Dt:
11/17/2020
7
REDMAN, BENJAMIN WILLIAM SCHOLEY
Exec Dt:
11/10/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11095657
US20190253430
15894821
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 2
Reel/Frame:056916/0421   Pages: 15
Recorded: 07/20/2021
Attorney Dkt #:2776-7.05
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAMACHE, MEAGAN
Exec Dt:
11/03/2020
2
BRITO, DIOGENES
Exec Dt:
11/03/2020
3
BENSON, BUSTER
Exec Dt:
05/06/2015
4
XIE, KEFAN
Exec Dt:
10/16/2015
5
JENNINGS, PAUL MATTHEW
Exec Dt:
11/10/2020
6
SULLIVAN, CHRISTOPHER
Exec Dt:
11/17/2020
7
REDMAN, BENJAMIN WILLIAM SCHOLEY
Exec Dt:
11/10/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11848936
US20210385228
17380580
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 3
Reel/Frame:065541/0865   Pages: 15
Recorded: 11/13/2023
Attorney Dkt #:P323.01.01 (93056.0832)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAMACHE, MEAGAN
Exec Dt:
11/03/2020
2
BRITO, DIOGENES
Exec Dt:
11/03/2020
3
BENSON, BUSTER
Exec Dt:
05/06/2015
4
XIE, KEFAN
Exec Dt:
10/16/2015
5
JENNINGS, PAUL MATTHEW
Exec Dt:
11/10/2020
6
SULLIVAN, CHRISTOPHER
Exec Dt:
11/17/2020
7
REDMAN, BENJAMIN WILLIAM SCHOLEY
Exec Dt:
11/10/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240129319
18493615
Correspondence name and address
NATHAN J. MUTTER
P.O. BOX 11583
SALT LAKE CITY, UT 84147
Assignment: 4
Reel/Frame:046770/0247   Pages: 10
Recorded: 08/31/2018
Attorney Dkt #:065841/504911
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FERRICK, ALLEN JAMES
Exec Dt:
10/17/2017
2
ISHAQ, EDWARD
Exec Dt:
11/07/2017
3
CHOI, HYE JUNG
Exec Dt:
10/17/2017
4
NORRIS, JASON
Exec Dt:
10/17/2017
5
XIE, KEFAN
Exec Dt:
12/12/2017
6
SHETTY, PRAJNA
Exec Dt:
10/17/2017
7
AGARWAL, PRANAY
Exec Dt:
10/17/2017
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10951558
US20190222544
15783647
Correspondence name and address
ALSTON & BIRD LLP
101 S TRYON ST, SUITE 4000
BANK OF AMERICA PLAZA
CHARLOTTE, NC 28280-4000
Assignment: 5
Reel/Frame:055198/0581   Pages: 10
Recorded: 02/09/2021
Attorney Dkt #:P10014USC1/S392-0008USC1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FERRICK, ALLEN JAMES
Exec Dt:
10/17/2017
2
ISHAQ, EDWARD
Exec Dt:
11/07/2017
3
CHOI, HYE JUNG
Exec Dt:
10/17/2017
4
NORRIS, JASON
Exec Dt:
10/17/2017
5
XIE, KEFAN
Exec Dt:
12/12/2017
6
SHETTY, PRAJNA
Exec Dt:
10/17/2017
7
AGARWAL, PRANAY
Exec Dt:
10/17/2017
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11706168
US20210168102
17171367
Correspondence name and address
LEE & HAYES PC / SLACK
601 W RIVERSIDE AVENUE
SUITE 1400
SPOKANE, WA 99201
Assignment: 6
Reel/Frame:049905/0034   Pages: 10
Recorded: 07/30/2019
Attorney Dkt #:065841/528990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUHAIL, SALMAN
Exec Dt:
07/08/2019
2
SAHNI, SAURABH
Exec Dt:
07/01/2019
3
XIE, KEFAN
Exec Dt:
07/01/2019
4
AUREA, EMILIO
Exec Dt:
07/01/2019
5
SANCHETEE, SHILPI
Exec Dt:
06/28/2019
6
GOYAL, NUPUR
Exec Dt:
07/02/2019
7
ROBINSON, CARLY
Exec Dt:
07/30/2019
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11258800
US20200412735
16456675
Correspondence name and address
ALSTON & BIRD LLP
101 S TRYON ST, SUITE 4000
BANK OF AMERICA PLAZA
CHARLOTTE, NC 28280-4000
Assignment: 7
Reel/Frame:060018/0801   Pages: 12
Recorded: 05/25/2022
Attorney Dkt #:S392-0025USC1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUHAIL, SALMAN
Exec Dt:
07/08/2019
2
SAHNI, SAURABH
Exec Dt:
07/01/2019
3
XIE, KEFAN
Exec Dt:
07/01/2019
4
AUREA, EMILIO
Exec Dt:
07/01/2019
5
SANCHETEE, SHILPI
Exec Dt:
06/28/2019
6
GOYAL, NUPUR
Exec Dt:
07/02/2019
7
ROBINSON, CARLY
Exec Dt:
07/30/2019
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11909742
US20220286463
17676054
Correspondence name and address
LEE & HAYES PC / SLACK
601 W RIVERSIDE AVENUE
SUITE 1400
SPOKANE, WA 99201
Assignment: 8
Reel/Frame:052301/0342   Pages: 7
Recorded: 04/02/2020
Attorney Dkt #:065841/544426
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCCUE, LORILYN
Exec Dt:
03/10/2020
2
VELEZ, RAQUEL
Exec Dt:
03/31/2020
3
PHAN, JESSICA
Exec Dt:
03/03/2020
4
DENG, MICHAEL
Exec Dt:
03/03/2020
5
MAH, RYAN
Exec Dt:
03/03/2020
6
CASTELLANOS, MARTIN
Exec Dt:
03/12/2020
7
KHUAT, MELISSA
Exec Dt:
03/05/2020
8
PIKE, MARK
Exec Dt:
03/04/2020
9
XIE, KEFAN
Exec Dt:
03/08/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200274835
16801074
Correspondence name and address
ALSTON & BIRD LLP
BANK OF AMERICA PLAZA
101 SOUTH TRYON STREET, SUITE 4000
CHARLOTTE, NC 28280

Search Results as of: 05/10/2024 04:04 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