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Patent Assignment Assignor Details
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Page 2 of 2
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Assignor Name : SLACK TECHNOLOGIES, INC.
Total Assignments: 108
Assignment: 101
Reel/Frame:067723/0223   Pages: 6
Recorded: 06/13/2024
Attorney Dkt #:S392-0155USC3
Conveyance: MERGER AND CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
SLACK TECHNOLOGIES, INC.
Exec Dt:
07/21/2021
Newly Merged Entity Data
1
SLACK TECHNOLOGIES, INC.
Exec Dt:
07/21/2021
Newly Merged Entity's New Name
1
SLACK TECHNOLOGIES LLC
415 MISSION STREET, 3RD FLOOR
SALESFORCE TOWER
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240330867
18742970
Correspondence name and address
ALEXIS COLLINS
601 W. RIVERSIDE AVE., SUITE 1400
SPOKANE, WA 99201
Assignment: 102
Reel/Frame:068145/0878   Pages: 12
Recorded: 07/31/2024
Attorney Dkt #:S392-0094USC2-2
Conveyance: MERGER AND CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
SLACK TECHNOLOGIES, INC.
Exec Dt:
07/21/2021
Newly Merged Entity Data
1
SLACK TECHNOLOGIES, LLC
Exec Dt:
07/21/2021
Newly Merged Entity's New Name
1
SLACK TECHNOLOGIES, LLC
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12143352
US20230344791
18215812
Correspondence name and address
PAMELA PRELLWITZ
601 W. RIVERSIDE AVE, SUITE 1400
SPOKANE, WA 99201
Assignment: 103
Reel/Frame:068318/0375   Pages: 12
Recorded: 08/16/2024
Attorney Dkt #:S392-0062USC2/USC3
Conveyance: MERGER AND CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
SLACK TECHNOLOGIES, INC.
Exec Dt:
07/21/2021
Newly Merged Entity Data
1
SLACK TECHNOLOGIES, LLC
Exec Dt:
07/21/2021
Newly Merged Entity's New Name
1
SLACK TECHNOLOGIES, LLC
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
12095716
US20230328017
18208206
 
NONE
US20240414115
18807738
Correspondence name and address
PAMELA PRELLWITZ
601 W. RIVERSIDE AVE, SUITE 1400
SPOKANE, WA 99201
Assignment: 104
Reel/Frame:069683/0522   Pages: 12
Recorded: 12/26/2024
Attorney Dkt #:S392-0088USC2 (2 OF 4)
Conveyance: MERGER AND CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
SLACK TECHNOLOGIES, INC.
Exec Dt:
07/21/2021
Newly Merged Entity Data
1
SLACK TECHNOLOGIES, LLC
Exec Dt:
07/21/2021
Newly Merged Entity's New Name
1
SLACK TECHNOLOGIES, LLC
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12287950
US20230400961
18238428
Correspondence name and address
LEE & HAYES, P.C.
601 W. RIVERSIDE AVE, SUITE 1400
SPOKANE, WA 99201
Assignment: 105
Reel/Frame:070082/0063   Pages: 12
Recorded: 01/31/2025
Attorney Dkt #:S392-0038USC2 (2/4)
Conveyance: MERGER AND CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
SLACK TECHNOLOGIES, INC.
Exec Dt:
07/21/2021
Newly Merged Entity Data
1
SLACK TECHNOLOGIES, LLC
Exec Dt:
07/21/2021
Newly Merged Entity's New Name
1
SLACK TECHNOLOGIES, LLC
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12302197
US20230328486
18200568
Correspondence name and address
LEE & HAYES, P.C.
601 W. RIVERSIDE AVE, SUITE 1400
SPOKANE, WA 99201
Assignment: 106
Reel/Frame:070965/0297   Pages: 12
Recorded: 04/28/2025
Attorney Dkt #:S392-0079USC1_2
Conveyance: MERGER AND CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
SLACK TECHNOLOGIES, INC.
Exec Dt:
07/21/2021
Newly Merged Entity Data
1
SLACK TECHNOLOGIES, LLC
Exec Dt:
07/21/2021
Newly Merged Entity's New Name
1
SLACK TECHNOLOGIES, LLC
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12328645
US20220408225
17589865
Correspondence name and address
LEE & HAYES, P.C.
601 W. RIVERSIDE AVE, SUITE 1400
SPOKANE, WA 99201
Assignment: 107
Reel/Frame:071427/0400   Pages: 3
Recorded: 06/16/2025
Attorney Dkt #:S392-0054USC2 (2/4)
Conveyance: MERGER AND CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
SLACK TECHNOLOGIES, INC.
Exec Dt:
07/21/2021
Newly Merged Entity Data
1
SLACK TECHNOLOGIES, LLC
Exec Dt:
07/21/2021
Newly Merged Entity's New Name
1
SLACK TECHNOLOGIES, LLC
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12375439
US20240195773
18424715
Correspondence name and address
LEE & HAYES, P.C.
601 W. RIVERSIDE AVE, SUITE 1400
SPOKANE, WA 99201
Assignment: 108
Reel/Frame:071525/0618   Pages: 3
Recorded: 06/25/2025
Attorney Dkt #:S392-0177USC1 (2/3)
Conveyance: MERGER AND CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignors
1
SLACK TECHNOLOGIES, INC.
Exec Dt:
07/21/2021
2
SKYLINE STRATEGIES II LLC
Exec Dt:
07/21/2021
Newly Merged Entity Data
1
SLACK TECHNOLOGIES, LLC
Exec Dt:
07/21/2021
Newly Merged Entity's New Name
1
SLACK TECHNOLOGIES, LLC
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240089307
18513488
Correspondence name and address
LEE & HAYES, P.C.
601 W. RIVERSIDE AVE, SUITE 1400
SPOKANE, WA 99201
Page 2 of 2
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