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 : SCHEINBLUM, JAMES
Total Assignments: 13
Assignment: 1
Reel/Frame:052827/0371   Pages: 3
Recorded: 06/03/2020
Attorney Dkt #:2776-19.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHEINBLUM, JAMES
Exec Dt:
04/14/2020
2
KLYM, JASON
Exec Dt:
12/09/2019
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10791191
US20200145508
16670984
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 2
Reel/Frame:053764/0448   Pages: 3
Recorded: 09/14/2020
Attorney Dkt #:2776-19.03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHEINBLUM, JAMES
Exec Dt:
04/14/2020
2
KLYM, JASON
Exec Dt:
12/09/2019
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10958750
US20210006631
17020352
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 3
Reel/Frame:055577/0672   Pages: 3
Recorded: 03/12/2021
Attorney Dkt #:2776-19.06
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHEINBLUM, JAMES
Exec Dt:
04/14/2020
2
KLYM, JASON
Exec Dt:
12/09/2019
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11588914
US20210203737
17200051
Correspondence name and address
ERISE IP P.A.
7015 COLLEGE BOULEVARD
OVERLAND PARK, KS 66211
Assignment: 4
Reel/Frame:052626/0391   Pages: 5
Recorded: 05/11/2020
Attorney Dkt #:S392-0003US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAYNES, LYNSEY
Exec Dt:
04/22/2020
2
MONTROIS, CHRISTOPHER DAVID
Exec Dt:
04/23/2020
3
MOURACHOV, SERGUEI
Exec Dt:
04/22/2020
4
PAPAZIAN, VAHAKN
Exec Dt:
05/07/2020
5
SCHEINBLUM, JAMES
Exec Dt:
05/08/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11190368
US20210351944
16870713
Correspondence name and address
LEE & HAYES PC / SLACK
601 W RIVERSIDE AVENUE
SUITE 1400
SPOKANE, WA 99201
Assignment: 5
Reel/Frame:053099/0537   Pages: 5
Recorded: 07/01/2020
Attorney Dkt #:2776-46.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRUMMOND, AUDREI
Exec Dt:
06/29/2020
2
BHATTACHARJEE, DEEP
Exec Dt:
06/29/2020
3
SCHEINBLUM, JAMES
Exec Dt:
06/29/2020
4
GHIRMAI, EDEN
Exec Dt:
06/30/2020
5
CROWLEY, RICHARD
Exec Dt:
06/29/2020
6
GORHAM, LYDIA
Exec Dt:
06/29/2020
7
MEHTA, POOJA
Exec Dt:
06/30/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11539675
US20200336472
16918284
Correspondence name and address
ERISE IP, P.A. SLACK TECHNOLOGIES, INC.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 6
Reel/Frame:063684/0315   Pages: 14
Recorded: 05/18/2023
Attorney Dkt #:S392-0093USC1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRUMMOND, AUDREI
Exec Dt:
06/29/2020
2
SCHEINBLUM, JAMES
Exec Dt:
06/29/2020
3
GHIRMAI, EDEN
Exec Dt:
06/30/2020
4
CROWLEY, RICHARD
Exec Dt:
06/29/2020
5
GORHAM, LYDIA
Exec Dt:
06/29/2020
6
MEHTA, POOJA
Exec Dt:
06/30/2020
7
HAMRICK, STEPHEN
Exec Dt:
06/30/2020
8
LARGMAN, RAISSA
Exec Dt:
07/13/2020
9
NGUYEN, KAREN
Exec Dt:
07/16/2020
10
BHATTACHARJEE, RATNADEEP
Exec Dt:
07/08/2021
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11757852
US20230053443
17981169
Correspondence name and address
LEE & HAYES, P.C.
601 W. RIVERSIDE AVE
STE 1400
SPOKANE, WA 99201
Assignment: 7
Reel/Frame:053713/0554   Pages: 6
Recorded: 09/08/2020
Attorney Dkt #:2776-44.03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LARGMAN, RAISSA
Exec Dt:
08/17/2020
2
ADAMS, KEITH
Exec Dt:
08/17/2020
3
SCHEINBLUM, JAMES
Exec Dt:
08/25/2020
4
CROWLEY, RICHARD
Exec Dt:
08/17/2020
5
BHATTACHARJEE, DEEP
Exec Dt:
08/17/2020
6
WATANABE, MILO
Exec Dt:
08/24/2020
7
JONES, LEAH
Exec Dt:
08/17/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200192881
16702197
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 8
Reel/Frame:053682/0582   Pages: 5
Recorded: 09/03/2020
Attorney Dkt #:S392-0004US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RODGERS, JOHN
Exec Dt:
09/01/2020
2
SCHEINBLUM, JAMES
Exec Dt:
09/02/2020
3
STAMPFLI, TRACY
Exec Dt:
05/26/2020
4
DEMMER, MICHAEL
Exec Dt:
06/04/2020
5
GLINENKO, DANIL
Exec Dt:
05/22/2020
6
KLYM, JASON
Exec Dt:
05/21/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11445029
US20210360072
16877270
Correspondence name and address
LEE & HAYES, P.C.
601 W. RIVERSIDE AVE
SUITE 1400
SPOKANE, WA 99201
Assignment: 9
Reel/Frame:053746/0141   Pages: 5
Recorded: 09/11/2020
Attorney Dkt #:2776-44.04
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LARGMAN, RAISSA
Exec Dt:
09/01/2020
2
ADAMS, KEITH
Exec Dt:
09/01/2020
3
SCHEINBLUM, JAMES
Exec Dt:
09/02/2020
4
CROWLEY, RICHARD
Exec Dt:
09/01/2020
5
BHATTACHARJEE, DEEP
Exec Dt:
09/02/2020
6
WATANABE, MILO
Exec Dt:
09/01/2020
7
JONES, LEAH
Exec Dt:
09/04/2020
8
ROBINSON, HENRY
Exec Dt:
09/02/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11949739
US20200412806
17018165
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 10
Reel/Frame:054695/0560   Pages: 5
Recorded: 12/18/2020
Attorney Dkt #:S392-0004USC1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RODGERS, JOHN
Exec Dt:
09/01/2020
2
SCHEINBLUM, JAMES
Exec Dt:
09/02/2020
3
STAMPFLI, TRACY
Exec Dt:
05/26/2020
4
DEMMER, MICHAEL
Exec Dt:
06/04/2020
5
GLINENKO, DANIL
Exec Dt:
05/22/2020
6
KLYM, JASON
Exec Dt:
05/21/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11470163
US20210360073
17126985
Correspondence name and address
LEE & HAYES PC / SLACK
601 W RIVERSIDE AVENUE
SUITE 1400
SPOKANE, WA 99201
Assignment: 11
Reel/Frame:061310/0066   Pages: 7
Recorded: 10/04/2022
Attorney Dkt #:S392-0004USC2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RODGERS, JOHN
Exec Dt:
09/01/2020
2
SCHEINBLUM, JAMES
Exec Dt:
09/02/2020
3
STAMPFLI, TRACY
Exec Dt:
05/26/2020
4
DEMMER, MICHAEL
Exec Dt:
06/04/2020
5
GLINENKO, DANIL
Exec Dt:
05/22/2020
6
KLYM, JASON
Exec Dt:
05/21/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11924289
US20230144559
17960072
Correspondence name and address
LEE & HAYES PC / SLACK
601 W RIVERSIDE AVENUE
SUITE 1400
SPOKANE, WA 99201
Assignment: 12
Reel/Frame:057019/0044   Pages: 14
Recorded: 07/29/2021
Attorney Dkt #:S392-0023US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ADAMS, KEITH
Exec Dt:
10/06/2020
2
CHRISTIAN, MARK
Exec Dt:
11/12/2020
3
SCHEINBLUM, JAMES
Exec Dt:
11/10/2020
4
HUBER, RYAN
Exec Dt:
09/21/2014
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11184414
US20200186579
16705923
Correspondence name and address
LEE & HAYES PC / SLACK
601 W RIVERSIDE AVENUE
SUITE 1400
SPOKANE, 99201 UNITED STATES
Assignment: 13
Reel/Frame:057866/0752   Pages: 14
Recorded: 10/21/2021
Attorney Dkt #:S392-0023USC1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ADAMS, KEITH
Exec Dt:
10/06/2020
2
HUBER, RYAN
Exec Dt:
09/21/2014
3
CHRISTIAN, MARK
Exec Dt:
11/12/2020
4
SCHEINBLUM, JAMES
Exec Dt:
11/10/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11582271
US20220046070
17507204
Correspondence name and address
LEE & HAYES P.C.
601 WEST RIVERSIDE AVENUE
SUITE 1400
SPOKANE, WA 99201

Search Results as of: 05/20/2024 04:29 AM
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