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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 : LIU, ZITAO
Total Assignments: 7
Assignment: 1
Reel/Frame:045119/0791   Pages: 5
Recorded: 03/06/2018
Attorney Dkt #:TROPHO-P001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, ZITAO
Exec Dt:
02/13/2018
2
LIU, LIAN
Exec Dt:
02/13/2018
Assignee
1
TROPHODIAGNOSTICS, LLC
28222 AGOURA ROAD, SUITE 218
AGOURA HILLS, CALIFORNIA 91301
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190247030
15894949
Correspondence name and address
LINNA R. CHEN MAGSTONE LAW, LLP
4633 OLD IRONSIDES DRIVE, SUITE 160
SANTA CLARA, CA 95054
Assignment: 2
Reel/Frame:047422/0371   Pages: 10
Recorded: 11/06/2018
Attorney Dkt #:127.0059-US-ORG1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EKSOMBATCHAI, CHANTAT
Exec Dt:
11/01/2018
2
LESKOVEC, JURIJ
Exec Dt:
11/01/2018
3
LIU, ZITAO
Exec Dt:
11/03/2018
4
SHARMA, RAHUL
Exec Dt:
11/01/2018
5
ULRICH, MARK BORMANN
Exec Dt:
11/01/2018
Assignee
1
PINTEREST, INC.
808 BRANNAN STREET
SAN FRANCISCO, CALIFORNIA 94103
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11256747
NONE
15870776
Correspondence name and address
ATHORUS, PLLC
PO BOX 579
MOUNT VERNON, WA 98273
Assignment: 3
Reel/Frame:056697/0929   Pages: 4
Recorded: 06/29/2021
Attorney Dkt #:CGTSI-115-PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, TIANQIAO
Exec Dt:
04/01/2021
2
LIU, ZITAO
Exec Dt:
04/01/2021
3
YANG, SONGFAN
Exec Dt:
04/01/2021
4
HUANG, YAN
Exec Dt:
04/01/2021
5
ZHANG, BANGXIN
Exec Dt:
04/01/2021
Assignee
1
BEIJING CENTURY TAL EDUCATION TECHNOLOGY CO.
ROOM 1702-03, LANTIAN HESHENG BUILDING, 32 ZHONGGUANCUN AVENUE, HAIDIAN DISTRICT
BEIJING, CHINA 100080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11651255
US20220044137
17419152
Correspondence name and address
DORITY & MANNING, P.A.
POST OFFICE BOX 1449
GREENVILLE, SC 29602-1449
Assignment: 4
Reel/Frame:057851/0501   Pages: 4
Recorded: 10/20/2021
Attorney Dkt #:0460-001US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, SONG
Exec Dt:
10/13/2021
2
HUANG, JIAN
Exec Dt:
10/13/2021
3
YANG, FEI
Exec Dt:
10/13/2021
4
LIU, ZITAO
Exec Dt:
10/13/2021
5
HUANG, YAN
Exec Dt:
10/13/2021
Assignee
1
BEIJING XINTANG SICHUANG EDUCATION TECHNOLOGY CO., LTD
ROOM 118, BUILDING 3, NO. 6-C
HIGH TECH PARK, BADACHU, SHIJINGSHAN DISTRICT
BEIJING, CHINA 100080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220270016
17605171
Correspondence name and address
LEBER IP LAW
400 TRADECENTER
SUITE 5900
WOBURN, 01801 UNITED STATES
Assignment: 5
Reel/Frame:057886/0147   Pages: 4
Recorded: 10/21/2021
Attorney Dkt #:0460-002US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, SONG
Exec Dt:
10/13/2021
2
HUANG, JIAN
Exec Dt:
10/13/2021
3
YANG, FEI
Exec Dt:
10/13/2021
4
LIU, ZITAO
Exec Dt:
10/13/2021
5
HUANG, YAN
Exec Dt:
10/13/2021
Assignee
1
BEIJING XINTANG SICHUANG EDUCATION TECHNOLOGY CO., LTD
ROOM 118, BUILDING 3, NO. 6-C
HIGH TECH PARK, BADACHU, SHIJINGSHAN DISTRICT
BEIJING, CHINA 100080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220358362
17605404
Correspondence name and address
ANGIE ARMSTRONG-BAKER
400 TRADECENTER
SUITE 500
WOBURN, MA 01801
Assignment: 6
Reel/Frame:062167/0094   Pages: 3
Recorded: 12/21/2022
Attorney Dkt #:43327.50194
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, HANG
Exec Dt:
11/11/2022
2
DING, WENBIAO
Exec Dt:
11/11/2022
3
LIU, ZITAO
Exec Dt:
11/11/2022
Assignee
1
BEIJING CENTURY TAL EDUCATION TECHNOLOGY CO., LTD.
ROOM 1901, FLOOR 19, 32 ZHONGGUANCUN AVENUE
HAIDIAN DISTRICT
BEIJING, CHINA 100086
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11676609
US20230130253
18069272
Correspondence name and address
EMERSON, THOMSON & BENNETT, LLC
1914 AKRON-PENINSULA ROAD
AKRON, OH 44313
Assignment: 7
Reel/Frame:062221/0985   Pages: 4
Recorded: 12/28/2022
Attorney Dkt #:43327.50195
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, JIAHAO
Exec Dt:
11/11/2022
2
FU, WEIPING
Exec Dt:
11/11/2022
3
DING, WENBIAO
Exec Dt:
11/11/2022
4
LIU, ZITAO
Exec Dt:
11/11/2022
Assignee
1
BEIJING CENTURY TAL EDUCATION TECHNOLOGY CO., LTD.
ROOM 1901, FLOOR 19, 32 ZHONGGUANCUN AVENUE
HAIDIAN DISTRICT
BEIJING, CHINA 100086
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11775769
US20230134101
18147080
Correspondence name and address
EMERSON, THOMSON & BENNETT, LLC
1914 AKRON-PENINSULA ROAD
AKRON, OH 44313

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