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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 : HOLMDAHL, ERIC
Total Assignments: 12
Assignment: 1
Reel/Frame:051091/0913   Pages: 8
Recorded: 11/22/2019
Attorney Dkt #:RC-0045-01-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MANOHARAN, ASWATH
Exec Dt:
11/21/2019
2
HOLMDAHL, ERIC
Exec Dt:
10/31/2019
3
DUAN, JIANAN
Exec Dt:
10/25/2019
4
SONNTAG, NIKOLAUS
Exec Dt:
10/31/2019
5
LU, I-WU
Exec Dt:
11/11/2019
Assignee
1
ROBLOX CORPORATION
970 PARK PLACE
SAN MATEO, CALIFORNIA 94403
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11224803
US20210154574
16692881
Correspondence name and address
IP SPRING - RC
180 N. LASALLE ST.
SUITE 3700
CHICAGO, IL 60601
Assignment: 2
Reel/Frame:058622/0490   Pages: 8
Recorded: 01/11/2022
Attorney Dkt #:RC-0045-01-US-CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MANOHARAN, ASWATH
Exec Dt:
11/21/2019
2
HOLMDAHL, ERIC
Exec Dt:
10/31/2019
3
DUAN, JIANAN
Exec Dt:
10/25/2019
4
SONNTAG, NIKOLAUS
Exec Dt:
10/31/2019
5
LU, I-WU
Exec Dt:
11/11/2019
Assignee
1
ROBLOX CORPORATION
970 PARK PLACE
SAN MATEO, CALIFORNIA 94403
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11969649
US20220126200
17573312
Correspondence name and address
IP SPRING
180 N. LASALLE ST.
SUITE 3700
CHICAGO, IL 60601
Assignment: 3
Reel/Frame:052495/0027   Pages: 4
Recorded: 04/24/2020
Attorney Dkt #:RC-0030-01-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MANAHARAN, ASWATH
Exec Dt:
04/22/2020
2
SONNTAG, NIKOLAUS
Exec Dt:
04/21/2020
3
LU, I-WU
Exec Dt:
04/21/2020
4
HOLMDAHL, ERIC
Exec Dt:
04/24/2020
5
SHIVARATRE, MADHOK
Exec Dt:
04/21/2020
Assignee
1
ROBLOX CORPORATION
970 PARK PLACE
SAN MATEO, CALIFORNIA 94403
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11475054
US20210334299
16858467
Correspondence name and address
IP SPRING
180 NORTH LASALLE STREET
SUITE 3700
CHICAGO, IL 60601
Assignment: 4
Reel/Frame:062261/0750   Pages: 4
Recorded: 01/03/2023
Attorney Dkt #:RC-0030-01-US-CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MANOHARAN, ASWATH
Exec Dt:
04/22/2020
2
SONNTAG, NIKOLAUS
Exec Dt:
04/21/2020
3
LU, I-WU
Exec Dt:
04/21/2020
4
HOLMDAHL, ERIC
Exec Dt:
04/24/2020
5
SHIVARATRE, MADHOK
Exec Dt:
04/21/2020
Assignee
1
ROBLOX CORPORATION
970 PARK PLACE
SAN MATEO, CALIFORNIA 94403
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11989215
US20230031901
17967420
Correspondence name and address
IP SPRING
161 N. CLARK ST.
SUITE 1700
CHICAGO, IL 60601
Assignment: 5
Reel/Frame:052764/0891   Pages: 3
Recorded: 05/27/2020
Attorney Dkt #:RC-0044-01-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOLMDAHL, ERIC
Exec Dt:
05/16/2020
2
SONNTAG, NIKOLAUS
Exec Dt:
05/26/2020
3
MANOHARAN, ASWATH
Exec Dt:
05/12/2020
Assignee
1
ROBLOX CORPORATION
970 PARK PLACE
SAN MATEO, CALIFORNIA 94403
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11023688
NONE
16884822
Correspondence name and address
IP SPRING
180 N. LASALLE STREET
SUITE 3700
CHICAGO, IL 60601
Assignment: 6
Reel/Frame:056175/0165   Pages: 3
Recorded: 05/07/2021
Attorney Dkt #:RC-0044-01-US-CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOLMDAHL, ERIC
Exec Dt:
05/16/2020
2
SONNTAG, NIKOLAUS
Exec Dt:
05/26/2020
3
MANOHARAN, ASWATH
Exec Dt:
05/12/2020
Assignee
1
ROBLOX CORPORATION
970 PARK PLACE
SAN MATEO, CALIFORNIA 94403
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11893357
US20210374357
17314922
Correspondence name and address
IP SPRING
180 N. LASALLE ST.
SUITE 3700
CHICAGO, IL 60601
Assignment: 7
Reel/Frame:052766/0398   Pages: 3
Recorded: 05/27/2020
Attorney Dkt #:RC-0038-01-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOLMDAHL, ERIC
Exec Dt:
05/26/2020
2
SONNTAG, NIKOLAUS
Exec Dt:
05/18/2020
3
MANOHARAN, ASWATH
Exec Dt:
05/27/2020
Assignee
1
ROBLOX CORPORATION
970 PARK PLACE
SAN MATEO, CALIFORNIA 94403
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11789905
US20210374098
16885047
Correspondence name and address
IP SPRING
180 N. LASALLE STREET
SUITE 3700
CHICAGO, IL 60601
Assignment: 8
Reel/Frame:065103/0191   Pages: 3
Recorded: 10/03/2023
Attorney Dkt #:RC-0038-01-US-CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOLMDAHL, ERIC
Exec Dt:
05/26/2020
2
SONNTAG, NIKOLAUS
Exec Dt:
05/18/2020
3
MANOHARAN, ASWATH
Exec Dt:
05/27/2020
Assignee
1
ROBLOX CORPORATION
970 PARK PLACE
SAN MATEO, CALIFORNIA 94403
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240028562
18376021
Correspondence name and address
IP SPRING - RC
161 N. CLARK ST.
SUITE 1700
CHICAGO, IL 60601
Assignment: 9
Reel/Frame:053384/0843   Pages: 3
Recorded: 08/03/2020
Attorney Dkt #:RC-0072-01-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONNTAG, NIKOLAUS
Exec Dt:
07/28/2020
2
HOLMDAHL, ERIC
Exec Dt:
08/03/2020
Assignee
1
ROBLOX CORPORATION
970 PARK PLACE
SAN MATEO, CALIFORNIA 94403
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11383173
US20220035868
16983509
Correspondence name and address
IP SPRING
180 N. LASALLE ST.
SUITE 3700
CHICAGO, IL 60601
Assignment: 10
Reel/Frame:053653/0876   Pages: 3
Recorded: 09/01/2020
Attorney Dkt #:RC-0054-01-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONNTAG, NIKOLAUS
Exec Dt:
08/10/2020
2
CHAUHAN, SEJAL
Exec Dt:
08/30/2020
3
HOLMDAHL, ERIC
Exec Dt:
08/03/2020
4
MANOHARAN, ASWATH
Exec Dt:
08/25/2020
Assignee
1
ROBLOX CORPORATION
970 PARK PLACE
SAN MATEO, CALIFORNIA 94403
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220067052
17008732
Correspondence name and address
IP SPRING
180 NORTH LASALLE STREET
SUITE 3700
CHICAGO, IL 60601
Assignment: 11
Reel/Frame:060345/0901   Pages: 3
Recorded: 06/29/2022
Attorney Dkt #:RC-0072-01-US-CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONNTAG, NIKOLAUS
Exec Dt:
07/28/2020
2
HOLMDAHL, ERIC
Exec Dt:
08/03/2020
Assignee
1
ROBLOX CORPORATION
970 PARK PLACE
SAN MATEO, CALIFORNIA 94403
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11826663
US20220323872
17852421
Correspondence name and address
IP SPRING - RC
180 N. LASALLE ST.
SUITE 3700
CHICAGO, IL 60601
Assignment: 12
Reel/Frame:053687/0944   Pages: 3
Recorded: 09/03/2020
Attorney Dkt #:RC-0073-01-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOLMDAHL, ERIC
Exec Dt:
09/02/2020
2
SONNTAG, NIKOLAUS
Exec Dt:
08/24/2020
3
SUN, XUSHENG
Exec Dt:
08/19/2020
4
THAKUR, AMAN
Exec Dt:
08/19/2020
Assignee
1
ROBLOX CORPORATION
970 PARK PLACE
SAN MATEO, CALIFORNIA 94403
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11712629
US20220062772
17011537
Correspondence name and address
IP SPRING
180 N. LASALLE ST.
SUITE 3700
CHICAGO, IL 60601

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