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Patent Assignment Assignor Details
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Assignor Name : CHRISTIAN, MARK
Total Assignments: 20
Assignment: 1
Reel/Frame:017849/0322   Pages: 2
Recorded: 05/02/2006
Attorney Dkt #:127145
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAUNEY, JOSEPH
Exec Dt:
04/26/2006
2
DUNBAR, J. PATRICK
Exec Dt:
04/26/2006
3
CHRISTIAN, MARK
Exec Dt:
04/26/2006
Assignee
1
SUMITOMO ELECTRICAL WIRING SYSTEMS - DETROIT TECHNICAL CENTER, INC.
22300 HAGGERTY ROAD
NORTHVILLE, MICHIGAN 48167
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7241154
NONE
11415128
Correspondence name and address
JAMES A. OLIFF
OLIFF & BERRIDGE, PLC
P.O. BOX 19928
ALEXANDRIA, VA 22320
Assignment: 2
Reel/Frame:046750/0719   Pages: 4
Recorded: 08/30/2018
Attorney Dkt #:065841/504910
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KATRAK, CYRUS
Exec Dt:
08/08/2018
2
CHRISTIAN, MARK
Exec Dt:
08/08/2018
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10498548
US20180337795
15983674
Correspondence name and address
ALSTON & BIRD LLP
101 S TRYON ST, SUITE 4000
BANK OF AMERICA PLAZA
CHARLOTTE, NC 28280-4000
Assignment: 3
Reel/Frame:046768/0554   Pages: 4
Recorded: 08/31/2018
Attorney Dkt #:065841/514099
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTIAN, MARK
Exec Dt:
08/08/2018
2
KATRAK, CYRUS
Exec Dt:
08/08/2018
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10547466
US20190363899
15990454
Correspondence name and address
ALSTON & BIRD LLP
101 S TRYON ST, SUITE 4000
BANK OF AMERICA PLAZA
CHARLOTTE, NC 28280-4000
Assignment: 4
Reel/Frame:052176/0047   Pages: 4
Recorded: 03/20/2020
Attorney Dkt #:065841/537901
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KATRAK, CYRUS
Exec Dt:
08/08/2018
2
CHRISTIAN, MARK
Exec Dt:
08/08/2018
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10892906
US20200112449
16589618
Correspondence name and address
ALSTON & BIRD LLP
BANK OF AMERICA PLAZA
101 SOUTH TRYON STREET, SUITE 4000
CHARLOTTE, NC 28280
Assignment: 5
Reel/Frame:052727/0610   Pages: 4
Recorded: 05/21/2020
Attorney Dkt #:2776-12.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTIAN, MARK
Exec Dt:
08/08/2018
2
KATRAK, CYRUS
Exec Dt:
08/08/2018
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11258622
US20200195458
16714105
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
OVERLAND PARK, KS 66211
Assignment: 6
Reel/Frame:058829/0442   Pages: 4
Recorded: 01/31/2022
Attorney Dkt #:2776-12.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTIAN, MARK
Exec Dt:
08/08/2018
2
KATRAK, CYRUS
Exec Dt:
08/08/2018
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220231870
17588661
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 7
Reel/Frame:052301/0239   Pages: 7
Recorded: 04/02/2020
Attorney Dkt #:065841/522298
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LARGMAN, RAISSA
Exec Dt:
12/06/2018
2
KLYM, JASON
Exec Dt:
03/27/2020
3
GLINENKO, DANIL
Exec Dt:
03/27/2020
4
WALKER, NEIL
Exec Dt:
03/27/2020
5
CHRISTIAN, MARK
Exec Dt:
12/06/2018
6
MOURACHOV, SERGUEI
Exec Dt:
03/27/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10972795
US20200084489
16176851
Correspondence name and address
ALSTON & BIRD LLP
BANK OF AMERICA PLAZA
101 SOUTH TRYON STREET, SUITE 4000
CHARLOTTE, NC 28280
Assignment: 8
Reel/Frame:049237/0080   Pages: 9
Recorded: 05/21/2019
Attorney Dkt #:065841/524436
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LARGMAN, RAISSA
Exec Dt:
05/20/2019
2
KLYM, JASON
Exec Dt:
05/09/2019
3
GLINENKO, DANIL
Exec Dt:
05/10/2019
4
WALKER, NEIL
Exec Dt:
05/19/2019
5
CHRISTIAN, MARK
Exec Dt:
05/09/2019
6
MOURACHOV, SERGUEI
Exec Dt:
05/09/2019
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10397624
NONE
16206553
Correspondence name and address
ALSTON & BIRD LLP
101 S TRYON ST, SUITE 4000
BANK OF AMERICA PLAZA
CHARLOTTE, NC 28280-4000
Assignment: 9
Reel/Frame:052543/0001   Pages: 9
Recorded: 04/30/2020
Attorney Dkt #:S392-0021US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LARGMAN, RAISSA
Exec Dt:
05/20/2019
2
KLYM, JASON
Exec Dt:
05/09/2019
3
GLINENKO, DANIL
Exec Dt:
05/10/2019
4
WALKER, NEIL
Exec Dt:
05/09/2019
5
CHRISTIAN, MARK
Exec Dt:
05/09/2019
6
MOURACHOV, SERGUEI
Exec Dt:
05/09/2019
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10972795
US20200084489
16176851
Correspondence name and address
LEE & HAYES, P.C.
601 W. RIVERSIDE AVE
SUITE 1400
SPOKANE, WA 99201
Assignment: 10
Reel/Frame:056789/0117   Pages: 9
Recorded: 07/08/2021
Attorney Dkt #:P10050USC3/S392-0021USC3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LARGMAN, RAISSA
Exec Dt:
05/20/2019
2
KLYM, JASON
Exec Dt:
05/09/2019
3
GLINENKO, DANIL
Exec Dt:
05/10/2019
4
WALKER, NEIL
Exec Dt:
05/09/2019
5
CHRISTIAN, MARK
Exec Dt:
05/09/2019
6
MOURACHOV, SERGUEI
Exec Dt:
05/09/2019
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11582500
US20210329339
17210887
Correspondence name and address
LEE & HAYES PC / SLACK
601 W RIVERSIDE AVENUE
SUITE 1400
SPOKANE, WA 99201
Assignment: 11
Reel/Frame:051903/0733   Pages: 7
Recorded: 02/24/2020
Attorney Dkt #:065841/535981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTIAN, MARK
Exec Dt:
11/18/2019
2
NAIR, ANUJ
Exec Dt:
11/18/2019
3
WHIMPEY, JAMES
Exec Dt:
11/25/2019
4
SCHUSTER, DREW
Exec Dt:
11/15/2019
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
11500625
US20210099519
16588731
 
11494177
US20210096844
16588829
 
11494178
US20210096845
16588831
 
11748093
US20210097164
16588833
Correspondence name and address
ALSTON & BIRD LLP
101 S TRYON ST, SUITE 4000
BANK OF AMERICA PLAZA
CHARLOTTE, NC 28280-4000
Assignment: 12
Reel/Frame:053974/0237   Pages: 4
Recorded: 10/05/2020
Attorney Dkt #:2776-11.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTIAN, MARK
Exec Dt:
07/14/2020
2
RODGERS, JOHN
Exec Dt:
09/01/2020
3
WHIMPEY, JAMES
Exec Dt:
09/29/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11271878
US20190386939
16010036
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 13
Reel/Frame:058828/0937   Pages: 4
Recorded: 01/31/2022
Attorney Dkt #:2776-11.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTIAN, MARK
Exec Dt:
07/14/2020
2
RODGERS, JOHN
Exec Dt:
09/01/2020
3
WHIMPEY, JAMES
Exec Dt:
09/29/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220158957
17588608
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 14
Reel/Frame:053712/0777   Pages: 7
Recorded: 09/08/2020
Attorney Dkt #:2776-18.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLYM, JASON
Exec Dt:
03/27/2020
2
CHRISTIAN, MARK
Exec Dt:
08/27/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11016993
US20200167371
16201870
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 15
Reel/Frame:056332/0710   Pages: 7
Recorded: 05/24/2021
Attorney Dkt #:2776-18.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLYM, JASON
Exec Dt:
03/27/2020
2
CHRISTIAN, MARK
Exec Dt:
08/27/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11797573
US20210279258
17328639
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 16
Reel/Frame:053831/0362   Pages: 4
Recorded: 09/21/2020
Attorney Dkt #:2776-54.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHRISTIAN, MARK
Exec Dt:
09/21/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11570170
US20220094679
17026826
Correspondence name and address
ERISE IP, P.A.
7015 COLLEGE BOULEVARD
SUITE 700
OVERLAND PARK, KS 66211
Assignment: 17
Reel/Frame:054097/0020   Pages: 4
Recorded: 10/19/2020
Attorney Dkt #:197802000100(P10128US1)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FONG, ANDREW
Exec Dt:
08/03/2020
2
CHRISTIAN, MARK
Exec Dt:
10/09/2020
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11209964
US20210382590
16894745
Correspondence name and address
YUNAN YUAN
C/O MORRISON & FOERSTER LLP
425 MARKET STREET
SAN FRANCISCO, CA 94105
Assignment: 18
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: 19
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
Assignment: 20
Reel/Frame:055017/0356   Pages: 4
Recorded: 01/25/2021
Attorney Dkt #:S392-0042US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MACDONALD, ANDREW
Exec Dt:
01/19/2021
2
CHRISTIAN, MARK
Exec Dt:
01/15/2021
Assignee
1
SLACK TECHNOLOGIES, INC.
500 HOWARD STREET
SAN FRANCISCO, CALIFORNIA 94105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11848923
US20210234847
17156945
Correspondence name and address
LEE & HAYES PC / SLACK
601 W RIVERSIDE AVENUE
SUITE 1400
SPOKANE, WA 99201

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