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 : BAI, CHEN
Total Assignments: 5
Assignment: 1
Reel/Frame:030715/0708   Pages: 7
Recorded: 06/29/2013
Attorney Dkt #:0112-205/C02587-US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHONG, YONG
Exec Dt:
05/14/2013
2
BAI, CHEN
Exec Dt:
05/15/2013
Assignee
1
ST-ERICSSON SEMICONDUCTOR (BEIJING)CO., LTD
UNIT 1908 BUILDING 3, BLOCK 1, NO 19 XINJIEKOUWAI STREET, HAI DIAN DISTRICT
BEIJING, CHINA 100088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9467390
US20130250767
13880110
Correspondence name and address
STEVEN M. DUBOIS
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 2
Reel/Frame:039527/0357   Pages: 7
Recorded: 08/24/2016
Attorney Dkt #:121162-01303
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YODER, NICHOLAS C.
Exec Dt:
08/15/2016
2
BAI, CHEN
Exec Dt:
08/05/2016
3
MILLER, MICHAEL LOUIS
Exec Dt:
08/04/2016
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10898579
US20170014522
15195269
Correspondence name and address
CHRISTIANA XIN ZHANG
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 3
Reel/Frame:053845/0180   Pages: 7
Recorded: 09/22/2020
Attorney Dkt #:121162-01304
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YODER, NICHOLAS C.
Exec Dt:
08/15/2016
2
BAI, CHEN
Exec Dt:
08/05/2016
3
MILLER, MICHAEL LOUIS
Exec Dt:
08/04/2016
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210085800
17014404
Correspondence name and address
XIN ZHANG
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 4
Reel/Frame:047920/0127   Pages: 10
Recorded: 01/07/2019
Attorney Dkt #:128037-00404
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FLEMING, MICHAEL
Exec Dt:
10/25/2018
2
GANGAR, AMIT
Exec Dt:
10/26/2018
3
YODER, NICHOLAS C.
Exec Dt:
10/31/2018
4
BAI, CHEN
Exec Dt:
10/26/2018
5
HILDERBRAND, SCOTT ALAN
Exec Dt:
10/25/2018
6
HUTCHINS, BENJAMIN M.
Exec Dt:
11/21/2018
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190111147
16138158
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 5
Reel/Frame:058552/0149   Pages: 10
Recorded: 01/05/2022
Attorney Dkt #:128037-00405
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FLEMING, MICHAEL
Exec Dt:
10/25/2018
2
GANGAR, AMIT
Exec Dt:
10/26/2018
3
YODER, NICHOLAS C.
Exec Dt:
10/31/2018
4
BAI, CHEN
Exec Dt:
10/26/2018
5
HILDERBRAND, SCOTT ALAN
Exec Dt:
10/25/2018
6
HUTCHINS, BENJAMIN M.
Exec Dt:
11/21/2018
Assignee
1
IMMUNOGEN, INC.
830 WINTER ST
WALTHAM, MASSACHUSETTS 02451-1477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220202947
17549327
Correspondence name and address
STEVEN G. DAVIS
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110

Search Results as of: 04/27/2024 11:13 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