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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 : XIAO, YONGHONG
Total Assignments: 26
Assignment: 1
Reel/Frame:012185/0964   Pages: 2
Recorded: 09/17/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
08/21/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6593099
US20020042115
09888623
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W., SUITE 1100
WASHINGTON, D.C. 20001-4597
Assignment: 2
Reel/Frame:012208/0334   Pages: 2
Recorded: 09/26/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
09/19/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6734006
US20020061850
09879792
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMINDINGER
1001 G STREET, N.W., SUITE 1100
WASHINGTON, D.C. 20001-4597
Assignment: 3
Reel/Frame:012214/0315   Pages: 2
Recorded: 09/21/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
09/19/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6685871
US20020190436
09855441
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W., SUITE 1100
WASHINGTON, DC 20001-4597
Assignment: 4
Reel/Frame:012374/0843   Pages: 2
Recorded: 12/17/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
11/30/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020155528
09828478
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W.
SUITE 1100
WASHINGTON, DC 20001-4597
Assignment: 5
Reel/Frame:012889/0753   Pages: 2
Recorded: 05/09/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
04/11/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020146407
09885441
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G ST., NW, 11TH FL.
WASHINGTON, DC 20001-4597
Assignment: 6
Reel/Frame:013494/0361   Pages: 2
Recorded: 09/23/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAMAKRISHNAN, SHYAM
Exec Dt:
08/27/2002
2
XIAO, YONGHONG
Exec Dt:
08/27/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030049670
10239422
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W.
11TH FLOOR
WASHINGTON, D.C. 20001-4597
Assignment: 7
Reel/Frame:013407/0794   Pages: 2
Recorded: 10/09/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
09/03/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030092664
10240730
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G. STREET, N.W., 11TH FLOOR
WASHINGTON, DC 20001
Assignment: 8
Reel/Frame:013734/0591   Pages: 2
Recorded: 10/04/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
09/03/2002
Assignee
1
BAYER AG
LEVERKUSEN, GERMANY D 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030109673
10240842
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W., 11TH FLOOR
WASHINGTON, D.C. 20001
Assignment: 9
Reel/Frame:013918/0970   Pages: 2
Recorded: 11/25/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
10/21/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040175815
10296492
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA A. HEMMENDINGER
1001 G STREET, N.W.
11TH FLOOR
WASHINGTON, DC 20001-4597
Assignment: 10
Reel/Frame:014091/0930   Pages: 2
Recorded: 11/27/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
10/21/2002
Assignee
1
BAYER AKTIEGESELLSCHAFT
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7049089
US20030191060
10276339
Correspondence name and address
BANNER & WITCOFF LTD.
LISA M. HEMMENDINGER
1001 G STREET, NW, 11TH FLOOR
WASHINGTON, DC 20001
Assignment: 11
Reel/Frame:013704/0595   Pages: 2
Recorded: 12/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
11/12/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040105853
10297987
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W., 11TH FLOOR
WASHINGTON, DC 20001
Assignment: 12
Reel/Frame:013719/0586   Pages: 2
Recorded: 12/20/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
11/12/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030105059
10311955
Correspondence name and address
LISA M. HEMMENDINGER
1001 G STREET, N.W.
11TH FLOOR
WASHINGTON, D.C. 20001
Assignment: 13
Reel/Frame:013769/0616   Pages: 2
Recorded: 12/18/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
11/14/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
D 51368 LEVERKUSEN,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7049420
US20040141962
10311591
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W. 11TH FLOOR
WASHINGTON, D.C. 20001
Assignment: 14
Reel/Frame:014284/0560   Pages: 2
Recorded: 02/26/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
02/04/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
D51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7060456
US20050271666
10362772
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W.
WASHINGTON, D.C 20001-4597
Assignment: 15
Reel/Frame:014167/0250   Pages: 2
Recorded: 02/26/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
02/12/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY D 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030224396
10362774
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W.
11TH FLOOR
WASHINGTON, DC 20001-4597
Assignment: 16
Reel/Frame:014170/0023   Pages: 2
Recorded: 05/29/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
03/18/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY D 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030186919
10398119
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W.
ELEVENTH FLOOR
WASHINGTON, D.C. 20001-4597
Assignment: 17
Reel/Frame:014213/0221   Pages: 2
Recorded: 05/29/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
03/18/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN
GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040091965
10381793
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G. STREET NW
11TH FLOOR
WASHINGTON, DC 20001-4597
Assignment: 18
Reel/Frame:014335/0001   Pages: 2
Recorded: 04/23/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
04/03/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY D51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040023876
10399405
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA HEMMENDINGER
1001 G STREET, N.W.
11TH FLOOR
WASHINGTON, DC 20001-4597
Assignment: 19
Reel/Frame:014366/0299   Pages: 2
Recorded: 04/30/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
04/03/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY D 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040038365
10415093
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W., 11TH FLOOR
WASHINGTON, DC 20001-4597
Assignment: 20
Reel/Frame:015221/0568   Pages: 3
Recorded: 04/15/2004
Conveyance: CORRECTIVE TO CORRECT THE INVENTOR'S NAME PREVIOUSLY RECORDED AT REEL 014397 FRAME 0543. (ASSIGNMENT OF ASSIGNOR'S INTEREST)
Assignor
1
XIAO, YONGHONG
Exec Dt:
04/15/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY D 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040043470
10415094
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, NW
11TH FLOOR
WASHINGTON, DC 20001-4597
Assignment: 21
Reel/Frame:014412/0982   Pages: 2
Recorded: 05/13/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
04/21/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY D 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040030100
10416588
Correspondence name and address
BANNER & WITCOFF
LISA M. HEMMENDINGER
1001 G STREET, N.W.
WASHINGTON, D.C. 20001-4597
Assignment: 22
Reel/Frame:015305/0466   Pages: 2
Recorded: 04/01/2004
Attorney Dkt #:004974.000964
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
10/28/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY D 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040171006
10476033
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W.
11TH FLOOR
WASHINGTON, DC 20001-4597
Assignment: 23
Reel/Frame:015489/0872   Pages: 2
Recorded: 05/26/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
12/15/2003
Assignee
1
BAYER HEALTHCARE AG
LEVERKUSEN, GERMANY D 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040241796
10481455
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W.
ELEVENTH FLOOR
WASHINGTON, D.C. 20001-4597
Assignment: 24
Reel/Frame:015673/0307   Pages: 2
Recorded: 08/05/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
XIAO, YONGHONG
Exec Dt:
02/24/2004
Assignee
1
BAYER HEALTHCARE AG
LEVERKUSEN, GERMANY D 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040253669
10487090
Correspondence name and address
BANNER & WITCOFF, LTD.
LISA M. HEMMENDINGER
1001 G STREET, N.W., 11TH FLOOR
WASHINGTON, D.C. 20001-4597
Assignment: 25
Reel/Frame:054496/0494   Pages: 21
Recorded: 11/30/2020
Attorney Dkt #:12636.0009-00000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAZOLLI, ERMIRA
Exec Dt:
05/08/2019
2
SAMARAKOON, THIWANKA
Exec Dt:
05/08/2019
3
PRAJAPATI, SUDEEP
Exec Dt:
05/07/2019
4
FISHKIN, NATHAN
Exec Dt:
05/07/2019
5
PALACINO, JAMES
Exec Dt:
05/07/2019
6
SEILER, MICHAEL
Exec Dt:
05/09/2019
7
ZHU, PING
Exec Dt:
05/07/2019
8
COOK, ANDREW
Exec Dt:
05/07/2019
9
SMITH, PETER
Exec Dt:
05/14/2019
10
LIU, XIANG
Exec Dt:
05/07/2019
11
ELLERY, SHELBY
Exec Dt:
05/07/2019
12
REYNOLDS, DOMINIC
Exec Dt:
05/09/2019
13
YU, LIHUA
Exec Dt:
05/19/2019
14
WU, ZHENHUA
Exec Dt:
05/14/2019
15
PENG, SHOUYONG
Exec Dt:
05/07/2019
16
CALANDRA, NICHOLAS
Exec Dt:
05/08/2019
17
SHEEHAN, MEGAN
Exec Dt:
05/07/2019
18
XIAO, YONGHONG
Exec Dt:
05/14/2019
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11352348
US20210101888
17247117
Correspondence name and address
FINNEGAN, HENDERSON, ET AL.
901 NEW YORK AVENUE, NW
WASHINGTON, DC 20001
Assignment: 26
Reel/Frame:054853/0678   Pages: 8
Recorded: 01/08/2021
Attorney Dkt #:26368-0049US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENG, BIN
Exec Dt:
11/12/2020
2
RAMASWAMY, SRIDHAR
Exec Dt:
07/20/2020
3
WANG, JING YU
Exec Dt:
07/20/2020
4
XIAO, YONGHONG
Exec Dt:
07/31/2020
5
ZHOU, YINGHUI
Exec Dt:
08/02/2020
Assignee
1
TESARO, INC.
1000 WINTER STREET
WALTHAM, MASSACHUSETTS 02450
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210106574
16958646
Correspondence name and address
CRAIG D. BOYLE
TIMES SQUARE TOWER, 20TH FLOOR
FISH & RICHARDSON
NEW YORK, NY 10036

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