skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : YU, CHONGXI
Total Assignments: 7
Assignment: 1
Reel/Frame:037605/0771   Pages: 4
Recorded: 01/28/2016
Attorney Dkt #:12799
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, CHONGXI
Exec Dt:
01/26/2016
2
XU, LINA
Exec Dt:
01/26/2016
Assignee
1
TECHFIELDS PHARMA CO., LTD.
2358 CHANGAN ROAD
BUILDING #14, WUJIANG DISTRICT
SUZHOU, JIANGSU, CHINA 215200
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
US20090238763
12351804
 
NONE
US20090221703
12397308
 
11555014
US20090252685
12417621
 
10189774
US20100069336
12418564
 
9371284
US20100172960
12663262
 
11857545
US20150072961
14542486
 
9718766
US20160002157
14854616
Correspondence name and address
FINNEGAN
901 NEW YORK AVENUE, N.W.
WASHINGTON, DC 20001
Assignment: 2
Reel/Frame:037605/0947   Pages: 4
Recorded: 01/28/2016
Attorney Dkt #:12799
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
YU, CHONGXI
Exec Dt:
01/26/2016
Assignee
1
TECHFIELDS PHARMA CO., LTD
2358 CHANGAN ROAD
BUILDING #14, WUJIANG DISTRICT
SUZHOU, JIANGSU, CHINA 215200
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
9376381
US20090311184
12463374
 
NONE
US20100040548
12482373
 
9193672
US20100010084
12503739
 
8349866
US20100021394
12534096
 
11541029
US20110269689
13133021
 
10233197
US20130018029
13550361
 
9567329
US20130131100
13732256
 
NONE
US20160184253
14877788
Correspondence name and address
FINNEGAN
901 NEW YORK AVENUE, N.W.
WASHINGTON, DC 20001
Assignment: 3
Reel/Frame:037606/0178   Pages: 4
Recorded: 01/28/2016
Attorney Dkt #:12799
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XU, LINA
Exec Dt:
01/26/2016
2
CHEN, YUHUA
Exec Dt:
01/26/2016
3
YAN, BINBING YAN
Exec Dt:
01/26/2016
4
TU, SHIGIAN
Exec Dt:
01/26/2016
5
YU, CHONGXI
Exec Dt:
01/26/2016
Assignee
1
TECHFIELDS PHARMA CO., LTD.
2358 CHANGAN ROAD
BULILDING #14, WUJIANG DISTRICT
SUZHOU, JIANGSU, CHINA 215200
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
9248109
US20120156279
13291904
 
9969751
US20120157371
13323556
Correspondence name and address
FINNEGAN
901 NEW YORK AVENUE, N.W.
WASHINGTON, DC 20001
Assignment: 4
Reel/Frame:060223/0611   Pages: 4
Recorded: 06/16/2022
Attorney Dkt #:151246.00025
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, CHONGXI
Exec Dt:
01/26/2016
2
XU, LINA
Exec Dt:
01/26/2016
3
CHEN, YUHUA
Exec Dt:
01/26/2016
4
YAN, BINBING
Exec Dt:
01/26/2016
5
TU, SHIQIAN
Exec Dt:
01/26/2016
Assignee
1
TECHFIELDS PHARMA CO., LTD.
2358 CHANGAN ROAD, BUILDING #14, WUJIANG DISTRICT
SUZHOU, CHINA 215200
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11485744
US20180222921
15947983
Correspondence name and address
FOX ROTHSCHILD LLP
997 LENOX DRIVE
LAWRENCEVILLE, NJ 08648
Assignment: 5
Reel/Frame:060953/0030   Pages: 3
Recorded: 08/31/2022
Attorney Dkt #:151246.00026
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, CHONGXI
Exec Dt:
01/26/2016
2
XU, LINA
Exec Dt:
01/26/2016
Assignee
1
TECHFIELDS PHARMA CO., LTD.
2358 CHANGAN ROAD, BUIDING #14, WUJIANG DISTRICT
SUZHOU, CHINA 215200
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11479527
US20190233367
16209744
Correspondence name and address
FOX ROTHSCHILD LLP
997 LENOX DRIVE
LAWRENCEVILLE, NJ 08648
Assignment: 6
Reel/Frame:062509/0110   Pages: 3
Recorded: 01/27/2023
Attorney Dkt #:151246.00069
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, CHONGXI
Exec Dt:
01/26/2016
2
XU, LINA
Exec Dt:
01/26/2016
Assignee
1
TECHFIELDS PHARMA CO., LTD.
2358 CHANGAN ROAD, BUILDING #14, WUJIANG DISTRICT
SUZHOU, CHINA 215200
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230174476
18097486
Correspondence name and address
FOX ROTHSCHILD LLP
997 LENOX DRIVE
LAWRENCEVILLE, NJ 08648
Assignment: 7
Reel/Frame:061463/0017   Pages: 4
Recorded: 09/19/2022
Attorney Dkt #:151246.00081
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, CHONGXI
Exec Dt:
09/13/2022
2
XU, LINA
Exec Dt:
09/14/2022
Assignee
1
TECHFIELDS INC.
731 ALEXANDER ROAD, SUITE 205
PRINCETON, NEW JERSEY 08540
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230157952
17906637
Correspondence name and address
FOX ROTHSCHILD LLP
997 LENOX DRIVE
LAWRENCEVILLE, NJ 08648

Search Results as of: 06/19/2024 04:45 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT