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Patent Assignment Assignor Details
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Assignor Name : LI, XINFANG
Total Assignments: 12
Assignment: 1
Reel/Frame:033119/0311   Pages: 4
Recorded: 06/17/2014
Attorney Dkt #:710087
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XINFANG
Exec Dt:
04/17/2012
2
WORFUL, JARED M.
Exec Dt:
04/20/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8795673
US20120253021
13434451
Correspondence name and address
REBECCA S. DISE
TWO PRU PLAZA - STE 4900, 180 N. STETSON
CHICAGO, IL 60601-6731
Assignment: 2
Reel/Frame:035656/0562   Pages: 4
Recorded: 05/18/2015
Attorney Dkt #:718055
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XINFANG
Exec Dt:
04/17/2012
2
WORFUL, JARED M.
Exec Dt:
04/20/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9428543
US20140309406
14313868
Correspondence name and address
MELISSA E. KOLOM
TWO PRUDENTIAL PLAZA, SUITE 4900
180 NORTH STETSON
CHICAGO, IL 60601-6745
Assignment: 3
Reel/Frame:039214/0055   Pages: 4
Recorded: 07/21/2016
Attorney Dkt #:726039
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XINFANG
Exec Dt:
04/17/2012
2
WORFUL, JARED M.
Exec Dt:
04/20/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9914748
US20170037080
15215857
Correspondence name and address
LEYDIG, VOIT & MAYER, LTD
TWO PRUDENTIAL PLAZA, SUITE 4900
180 NORTH STETSON AVENUE
CHICAGO, IL 60601-6731
Assignment: 4
Reel/Frame:044821/0738   Pages: 4
Recorded: 02/02/2018
Attorney Dkt #:IGH-00304
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XINFANG
Exec Dt:
04/17/2012
2
WORFUL, JARED M.
Exec Dt:
04/20/2012
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10435432
US20180273581
15886495
Correspondence name and address
FOLEY HOAG LLP
155 SEAPORT BOULEVARD
BOSTON, MA 02210-2600
Assignment: 5
Reel/Frame:053077/0419   Pages: 4
Recorded: 06/29/2020
Attorney Dkt #:6776.0686
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XINFANG
Exec Dt:
04/17/2012
2
WORFUL, JARED M.
Exec Dt:
04/20/2012
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11090390
US20200330604
16787942
Correspondence name and address
NIXON & VANDERHYE, P.C.
901 NORTH GLEBE ROAD
SUITE 1100
ARLINGTON, VA 22203
Assignment: 6
Reel/Frame:056799/0525   Pages: 4
Recorded: 07/09/2021
Attorney Dkt #:6776.0696
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XINFANG
Exec Dt:
04/17/2012
2
WORFUL, JARED M.
Exec Dt:
04/20/2012
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11744900
US20220133899
17371151
Correspondence name and address
NIXON & VANDERHYE, PC
901 N. GLEBE ROAD
SUITE 1100
ARLINGTON, VA 22203
Assignment: 7
Reel/Frame:064258/0395   Pages: 4
Recorded: 07/14/2023
Attorney Dkt #:6776.1602
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XINFANG
Exec Dt:
04/17/2012
2
WORFUL, JARED M.
Exec Dt:
04/20/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240156976
18352362
Correspondence name and address
NIXON & VANDERHYE P.C.
901 N. GLEBE ROAD, 11TH FLOOR
ARLINGTON, VA 22203
Assignment: 8
Reel/Frame:038090/0469   Pages: 8
Recorded: 03/24/2016
Attorney Dkt #:720216
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, XIAOXI KEVIN
Exec Dt:
03/17/2016
2
LI, XINFANG
Exec Dt:
03/14/2016
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10035817
US20150225446
14430701
Correspondence name and address
LEYDIG, VOIT & MAYER, LTD
TWO PRUDENTIAL PLAZA, SUITE 4900
180 NORTH STETSON AVENUE
CHICAGO, IL 60601-6731
Assignment: 9
Reel/Frame:038090/0854   Pages: 8
Recorded: 03/24/2016
Attorney Dkt #:720232
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XINFANG
Exec Dt:
03/14/2016
2
WORFUL, JARED M.
Exec Dt:
03/15/2016
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150306242
14430834
Correspondence name and address
LEYDIG, VOIT & MAYER, LTD
TWO PRUDENTIAL PLAZA, SUITE 4900
180 NORTH STETSON AVENUE
CHICAGO, IL 60601-6731
Assignment: 10
Reel/Frame:046260/0446   Pages: 8
Recorded: 07/03/2018
Attorney Dkt #:IGH-00402
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, XIAOXI KEVIN
Exec Dt:
03/17/2016
2
LI, XINFANG
Exec Dt:
03/14/2016
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190031712
16023005
Correspondence name and address
FOLEY HOAG LLP
155 SEAPORT BOULEVARD
BOSTON, MA 02210-2600
Assignment: 11
Reel/Frame:047947/0544   Pages: 5
Recorded: 01/10/2019
Attorney Dkt #:2921.0970001/EKS/CLD/BMB
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, FANG
Exec Dt:
10/25/2018
2
LI, XINFANG
Exec Dt:
10/25/2018
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190112359
16138177
Correspondence name and address
STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C.
1100 NEW YORK AVENUE, N.W.
WASHINGTON, DC 20005
Assignment: 12
Reel/Frame:053013/0294   Pages: 9
Recorded: 06/23/2020
Attorney Dkt #:UNIT.P0047US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, ZHAOXING
Exec Dt:
06/18/2020
2
LI, XINFANG
Exec Dt:
06/18/2020
3
LAN, MINGCHAO
Exec Dt:
06/18/2020
4
MAO, XINJIE
Exec Dt:
06/18/2020
Assignee
1
MABPLEX INTERNATIONAL, LTD.
60, BEIJING MIDDLE ROAD
ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE
YANTAI, SHANDONG, CHINA 264006
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11717575
US20210085799
15733309
Correspondence name and address
PARKER HIGHLANDER PLLC
1120 SOUTH CAPITAL OF TEXAS HIGHWAY
BUILDING ONE, SUITE 200
AUSTIN, TX 78746

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