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Patent Assignment Assignor Details
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Assignor Name : BREVOORT, MICHAEL
Total Assignments: 20
Assignment: 1
Reel/Frame:051782/0769   Pages: 10
Recorded: 02/11/2020
Attorney Dkt #:065841/539977
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREVOORT, MICHAEL
Exec Dt:
02/11/2020
2
KIRCHHOF, ANGELA
Exec Dt:
02/05/2020
3
BHATTACHARJEE, RATNADEEP
Exec Dt:
02/04/2020
4
KUPP, HELEN
Exec Dt:
02/04/2020
5
CAUDILL, MATTHEW NOLAN
Exec Dt:
02/05/2020
6
VELEZ, RAQUEL
Exec Dt:
02/04/2020
7
NEWELL, LESLIE
Exec Dt:
02/04/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11082486
US20210243251
16779101
Correspondence name and address
MIRANDA M. SOOTER
101 S. TRYON STREET
CHARLOTTE, NC 28280
Assignment: 2
Reel/Frame:057057/0017   Pages: 10
Recorded: 08/02/2021
Attorney Dkt #:2776-37.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREVOORT, MICHAEL
Exec Dt:
02/11/2020
2
KIRCHHOF, ANGELA
Exec Dt:
02/05/2020
3
BHATTACHARJEE, RATNADEEP
Exec Dt:
02/04/2020
4
KUPP, HELEN
Exec Dt:
02/04/2020
5
CAUDILL, MATTHEW NOLAN
Exec Dt:
02/05/2020
6
VELEZ, RAQUEL
Exec Dt:
02/04/2020
7
NEWELL, LESLIE
Exec Dt:
02/04/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11558453
US20210368005
17391795
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 3
Reel/Frame:057259/0981   Pages: 10
Recorded: 08/23/2021
Attorney Dkt #:2776-37.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREVOORT, MICHAEL
Exec Dt:
02/11/2020
2
KIRCHHOF, ANGELA
Exec Dt:
02/05/2020
3
BHATTACHARJEE, RATNADEEP
Exec Dt:
02/04/2020
4
KUPP, HELEN
Exec Dt:
02/04/2020
5
CAUDILL, MATTHEW NOLAN
Exec Dt:
02/05/2020
6
VELEZ, RAQUEL
Exec Dt:
02/04/2020
7
NEWELL, LESLIE
Exec Dt:
02/04/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11706043
US20210385272
17409263
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 4
Reel/Frame:054335/0768   Pages: 5
Recorded: 11/11/2020
Attorney Dkt #:S392-0039US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEWELL, LESLIE
Exec Dt:
10/09/2020
2
BREVOORT, MICHAEL
Exec Dt:
10/15/2020
3
HARRIS, BRAD
Exec Dt:
11/10/2020
4
SKUDLARCZYK, CHRIS
Exec Dt:
11/11/2020
5
BRITO, DIOGENES
Exec Dt:
10/09/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210149688
17067290
Correspondence name and address
LEE & HAYES, P.C.
601 W. RIVERSIDE AVE
SUITE 1400
SPOKANE, WA 99201
Assignment: 5
Reel/Frame:054957/0181   Pages: 7
Recorded: 01/19/2021
Attorney Dkt #:2776-58.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREVOORT, MICHAEL
Exec Dt:
01/15/2021
2
WOOD, STEPHEN
Exec Dt:
01/19/2021
3
FERRICK, ALLEN JAMES
Exec Dt:
01/19/2021
4
HARRIS, BRAD
Exec Dt:
01/19/2021
5
NEWELL, LESLIE
Exec Dt:
01/19/2021
6
KHUAT, MELISSA
Exec Dt:
01/19/2021
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11245744
NONE
17152464
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 6
Reel/Frame:058743/0954   Pages: 7
Recorded: 01/24/2022
Attorney Dkt #:2776-58.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREVOORT, MICHAEL
Exec Dt:
01/15/2021
2
WOOD, STEPHEN
Exec Dt:
01/19/2021
3
FERRICK, ALLEN JAMES
Exec Dt:
01/19/2021
4
HARRIS, BRAD
Exec Dt:
01/19/2021
5
NEWELL, LESLIE
Exec Dt:
01/19/2021
6
KHUAT, MELISSA
Exec Dt:
01/19/2021
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11659021
US20220232061
17582486
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 7
Reel/Frame:055429/0025   Pages: 5
Recorded: 02/26/2021
Attorney Dkt #:2776-63.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREVOORT, MICHAEL
Exec Dt:
02/24/2021
2
KIRCHHOF, ANGELA
Exec Dt:
02/24/2021
3
ZENG, HELEN WEI
Exec Dt:
02/24/2021
4
ALLEN, CURTIS NEIL, JR.
Exec Dt:
02/24/2021
5
WOOD, STEPHEN
Exec Dt:
02/24/2021
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11455166
US20220276859
17186854
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 8
Reel/Frame:060944/0568   Pages: 5
Recorded: 08/30/2022
Attorney Dkt #:2776-63.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREVOORT, MICHAEL
Exec Dt:
02/24/2021
2
KIRCHHOF, ANGELA
Exec Dt:
02/24/2021
3
ZENG, HELEN WEI
Exec Dt:
02/24/2021
4
ALLEN, CURTIS NEIL, JR.
Exec Dt:
02/24/2021
5
WOOD, STEPHEN
Exec Dt:
02/24/2021
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11599353
US20220413842
17899182
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 9
Reel/Frame:055427/0724   Pages: 4
Recorded: 02/26/2021
Attorney Dkt #:2776-62.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREVOORT, MICHAEL
Exec Dt:
02/25/2021
2
KIRCHHOF, ANGELA
Exec Dt:
02/25/2021
3
POWERS, ELIZABETH IRELAND
Exec Dt:
02/25/2021
4
TURMAN, KYLE
Exec Dt:
02/26/2021
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11444903
US20220278951
17186717
Correspondence name and address
ERISE IP P.A.
7015 COLLEGE BOULEVARD
OVERLAND PARK, KS 66211
Assignment: 10
Reel/Frame:060951/0283   Pages: 5
Recorded: 08/31/2022
Attorney Dkt #:2776-62.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREVOORT, MICHAEL
Exec Dt:
02/25/2021
2
KIRCHHOF, ANGELA
Exec Dt:
02/25/2021
3
POWERS, ELIZABETH IRELAND
Exec Dt:
02/25/2021
4
TURMAN, KYLE
Exec Dt:
02/26/2021
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220417200
17899934
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 11
Reel/Frame:056101/0710   Pages: 3
Recorded: 04/30/2021
Attorney Dkt #:S392-0060US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREVOORT, MICHAEL
Exec Dt:
04/29/2021
2
FRANK, ILAN
Exec Dt:
04/29/2021
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11863602
US20220060523
17246024
Correspondence name and address
LEE & HAYES PC / SLACK
601 W RIVERSIDE AVENUE
SUITE 1400
SPOKANE, WA 99201
Assignment: 12
Reel/Frame:056388/0089   Pages: 5
Recorded: 05/28/2021
Attorney Dkt #:S392-0081USC1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZAGAT, EDWARD
Exec Dt:
05/18/2021
2
BOWERS, NEVILLE
Exec Dt:
05/24/2021
3
HAYMAN, MAXWELL
Exec Dt:
05/27/2021
4
BREVOORT, MICHAEL
Exec Dt:
05/18/2021
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11451639
NONE
17334262
Correspondence name and address
LEE & HAYES PC / SLACK
601 W RIVERSIDE AVENUE
SUITE 1400
SPOKANE, WA 99201
Assignment: 13
Reel/Frame:057374/0751   Pages: 6
Recorded: 09/02/2021
Attorney Dkt #:2776-77.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIRCHHOF, ANGELA
Exec Dt:
09/01/2021
2
BREVOORT, MICHAEL
Exec Dt:
09/01/2021
3
HARRIS, BRAD
Exec Dt:
09/02/2021
4
SUAREZ, TREVOR
Exec Dt:
09/02/2021
5
LEVINE, WHITNEY
Exec Dt:
09/01/2021
Assignee
1
SLACK TECHNOLOGIES, LLC
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11611519
US20230064752
17465430
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BLVD.
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 14
Reel/Frame:057403/0206   Pages: 5
Recorded: 09/07/2021
Attorney Dkt #:P10190US1/S392-0099US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIRCHHOF, ANGELA
Exec Dt:
09/02/2021
2
BREVOORT, MICHAEL
Exec Dt:
09/03/2021
3
TURMAN, KYLE
Exec Dt:
09/07/2021
4
SELHEIM-MILLER, CAROLYN
Exec Dt:
09/07/2021
5
BAHK, VANESSA
Exec Dt:
09/03/2021
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230072246
17468348
Correspondence name and address
LEE & HAYES P.C.
601 WEST RIVERSIDE AVENUE
SUITE 1400
SPOKANE, WA 99201
Assignment: 15
Reel/Frame:057445/0181   Pages: 5
Recorded: 09/10/2021
Attorney Dkt #:2776-78.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREVOORT, MICHAEL
Exec Dt:
09/09/2021
2
KIRCHHOF, ANGELA
Exec Dt:
09/09/2021
3
HAIG, ANDERS
Exec Dt:
09/09/2021
4
PINAPATI, SAI
Exec Dt:
09/09/2021
Assignee
1
SLACK TECHNOLOGIES, LLC
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230087481
17471657
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 16
Reel/Frame:058499/0207   Pages: 5
Recorded: 12/29/2021
Attorney Dkt #:2776-81.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FONG, ANDREW
Exec Dt:
12/22/2021
2
HAHN, MICHAEL
Exec Dt:
12/22/2021
3
BREVOORT, MICHAEL
Exec Dt:
12/28/2021
4
RAVULA, CHAITANYA
Exec Dt:
12/23/2021
5
PAUL, SOHOM
Exec Dt:
12/27/2021
Assignee
1
SLACK TECHNOLOGIES, LLC
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11763258
US20230206179
17564506
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 17
Reel/Frame:058841/0015   Pages: 5
Recorded: 01/25/2022
Attorney Dkt #:S392-0105US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAUL, SOHOM
Exec Dt:
01/03/2022
2
VENAPUSALA, ROHAN
Exec Dt:
01/25/2022
3
BREVOORT, MICHAEL
Exec Dt:
01/03/2022
4
GOODFRIEND, SCOTT
Exec Dt:
01/04/2022
Assignee
1
SLACK TECHNOLOGIES, LLC
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11727131
US20230205905
17565266
Correspondence name and address
LEE & HAYES, P.C.
601 W. RIVERSIDE AVE, SUITE 1400
SPOKANE, WA 99201
Assignment: 18
Reel/Frame:064041/0748   Pages: 5
Recorded: 06/23/2023
Attorney Dkt #:S392-0105USC1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAUL, SOHOM
Exec Dt:
01/03/2022
2
VENAPUSALA, ROHAN
Exec Dt:
01/25/2022
3
BREVOORT, MICHAEL
Exec Dt:
01/03/2022
4
GOODFRIEND, SCOTT
Exec Dt:
01/04/2022
Assignee
1
SLACK TECHNOLOGIES, LLC
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230351031
18340213
Correspondence name and address
LEE & HAYES, P.C.
601 W. RIVERSIDE AVE, SUITE 1400
SPOKANE, WA 99201
Assignment: 19
Reel/Frame:059759/0957   Pages: 5
Recorded: 04/28/2022
Attorney Dkt #:2776-82.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAUL, SOHOM
Exec Dt:
04/14/2022
2
VIJAYAKUMAR, MANJU
Exec Dt:
04/18/2022
3
RAVULA, CHAITANYA
Exec Dt:
04/14/2022
4
BREVOORT, MICHAEL
Exec Dt:
04/14/2022
5
FONG, ANDREW
Exec Dt:
04/14/2022
Assignee
1
SALESFORCE, INC.
415 MISSION STREET
3RD FLOOR
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230244802
17589692
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 20
Reel/Frame:059902/0921   Pages: 5
Recorded: 05/13/2022
Attorney Dkt #:2776-89.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREVOORT, MICHAEL
Exec Dt:
05/13/2022
2
HARRIS, BRAD
Exec Dt:
05/13/2022
3
CHAN, MELISSA AUBRIE
Exec Dt:
05/13/2022
Assignee
1
SALESFORCE, INC.
415 MISSION STREET
3RD FLOOR
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230368105
17744064
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211

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