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 : GU, ZHENGXIAN
Total Assignments: 9
Assignment: 1
Reel/Frame:010910/0659   Pages: 2
Recorded: 06/19/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RANDO, ROBERT F.
Exec Dt:
05/01/2000
2
GU, ZHENGXIAN
Exec Dt:
04/25/2000
Assignee
1
BIOCHEM PHARMA INC.
275 ARMAND-FRAPPIER BOULEVARD
LAVAL, QUEBEC, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6511983
NONE
09515328
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN
TRACY A. LUKE
ARLINGTON COURT PLAZA I
2200 CLARENDON BLVD. SUITE 1400
ARLINGTON, VA 22201
Assignment: 2
Reel/Frame:022753/0264   Pages: 7
Recorded: 05/29/2009
Attorney Dkt #:1368-28 A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GU, ZHENGXIAN
Exec Dt:
05/11/2009
2
ESPIRITU, CHRISTINE
Exec Dt:
05/04/2009
3
KOMATSU, TAKASHI
Exec Dt:
03/27/2009
4
FREUND, CONCETTA
Exec Dt:
05/26/2009
Assignee
1
PTC THERAPEUTICS, INC.
100 CORPORATE COURT
MIDDLESEX BUSINESS CENTER
SOUTH PLAINFIELD, NEW JERSEY 07080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8013006
US20080096928
11180961
Correspondence name and address
SANDY ZARADIC
HOFFMANN & BARON, LLP
6900 JERICHO TURNPIKE
SYOSSET, NY 11791-4407
Assignment: 3
Reel/Frame:026446/0779   Pages: 17
Recorded: 06/15/2011
Attorney Dkt #:1368-28 A/DIV
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KARP, GARY MITCHELL
Exec Dt:
10/05/2005
2
HWANG, PETER SEONGWOO
Exec Dt:
10/05/2005
3
TAKASUGI, JAMES
Exec Dt:
10/05/2005
4
REN, HONGYU
Exec Dt:
10/05/2005
5
WILDE, RICHARD GERALD
Exec Dt:
10/10/2005
6
TURPOFF, ANTHONY
Exec Dt:
10/05/2005
7
AREFOLOV, ALEXANDER
Exec Dt:
10/05/2005
8
CHEN, GUANGMING
Exec Dt:
10/17/2005
9
CAMPBELL, JEFFREY ALLEN
Exec Dt:
10/05/2005
10
GU, ZHENGXIAN
Exec Dt:
05/11/2009
11
ESPIRITU, CHRISTINE
Exec Dt:
05/04/2009
12
KOMATSU, TAKASHI
Exec Dt:
03/27/2009
13
FREUND, CONCETTA
Exec Dt:
05/26/2009
Assignee
1
PTC THERAPEUTICS, INC.
100 CORPORATE COURT
MIDDLESEX BUSINESS CENTER
SOUTH PLAINFIELD, NEW JERSEY 07080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120009142
13158653
Correspondence name and address
HOFFMANN & BARON, LLP
6900 JERICHO TURNPIKE
SYOSSET, NY 11791
Assignment: 4
Reel/Frame:026904/0720   Pages: 3
Recorded: 09/14/2011
Attorney Dkt #:1368-32 PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GU, ZHENGXIAN
Exec Dt:
03/25/2010
Assignee
1
PTC THERAPEUTICS, INC.
100 CORPORATE COURT
SOUTH PLAINFIELD, NEW JERSEY 07080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8841302
NONE
13259386
Correspondence name and address
HOFFMANN & BARON, LLP
6900 JERICHO TURNPIKE
SYOSSET, NY 11791-4407
Assignment: 5
Reel/Frame:026906/0213   Pages: 3
Recorded: 09/14/2011
Attorney Dkt #:1368-31 PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GU, ZHENGXIAN
Exec Dt:
03/25/2010
Assignee
1
PTC THERAPEUTICS, INC.
100 CORPORATE COURT
SOUTH PLAINFIELD, NEW JERSEY 07080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9198907
US20120087893
13259854
Correspondence name and address
HOFFMANN & BARON, LLP
6900 JERICHO TURNPIKE
SYOSSET, NY 11791-4407
Assignment: 6
Reel/Frame:027291/0871   Pages: 22
Recorded: 11/29/2011
Attorney Dkt #:10589-120-228
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALMSTEAD, NEIL
Exec Dt:
11/17/2011
2
ARASU, TAMIL
Exec Dt:
11/11/2011
3
CHOI, SOONGYU
Exec Dt:
11/17/2011
4
CAO, LIANGXIAN
Exec Dt:
11/11/2011
5
DAVIS, THOMAS W.
Exec Dt:
11/11/2011
6
GRACI, JASON D.
Exec Dt:
11/11/2011
7
GU, ZHENGXIAN
Exec Dt:
11/14/2011
8
HWANG, PETER SEONGWOO
Exec Dt:
11/11/2011
9
LENNOX, WILLIAM
Exec Dt:
11/11/2011
10
MIAO, HARRY H.
Exec Dt:
11/17/2011
11
MILLER, LANGDON
Exec Dt:
11/16/2011
12
MOON, YOUNG-CHOON
Exec Dt:
11/17/2011
13
QI, HONGYAN
Exec Dt:
11/11/2011
14
TROTTA, CHRISTOPHER
Exec Dt:
11/16/2011
15
WEETALL, MARLA L.
Exec Dt:
11/17/2011
Assignee
1
PTC THERAPEUTICS INC.
100 CORPORATE COURT
MIDDLESEX BUSINESS CENTER
SOUTH PLAINFIELD, NEW JERSEY 07080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9351964
US20120202763
13321257
Correspondence name and address
MARKUS BERGAUER C/O JONES DAY
222 EAST 41ST STREET
NEW YORK, NY 10017
Assignment: 7
Reel/Frame:028093/0606   Pages: 30
Recorded: 04/24/2012
Attorney Dkt #:10589-120-999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALMSTEAD, NEIL
Exec Dt:
01/26/2012
2
ARASU, TAMIL
Exec Dt:
01/26/2012
3
CHOI, SOONGYU
Exec Dt:
01/26/2012
4
CAO, LIANGXIAN
Exec Dt:
01/25/2012
5
CAMPBELL, JEFFREY ALLEN
Exec Dt:
02/08/2012
6
CORSON, DONALD
Exec Dt:
04/13/2012
7
DAVIS, THOMAS W.
Exec Dt:
02/07/2012
8
GRACI, JASON D.
Exec Dt:
01/25/2012
9
GU, ZHENGXIAN
Exec Dt:
01/25/2012
10
HWANG, PETER SEONGWOO
Exec Dt:
01/25/2012
11
LENNOX, WILLIAM
Exec Dt:
01/25/2012
12
MIAO, HARRY H.
Exec Dt:
01/23/2012
13
MILLER, LANGDON
Exec Dt:
01/23/2012
14
MOON, YOUNG-CHOON
Exec Dt:
01/26/2012
15
QI, HONGYAN
Exec Dt:
01/26/2012
16
TROTTA, CHRISTOPHER
Exec Dt:
01/25/2012
17
WEETALL, MARLA L.
Exec Dt:
01/26/2012
Assignee
1
PTC THERAPEUTICS, INC.
100 CORPORATE COURT
MIDDLESEX BUSINESS CENTER
SOUTH PLAINFIELD, NEW JERSEY 07080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9351964
US20120202763
13321257
Correspondence name and address
MARKUS BERGAUER % JONES DAY
222 EAST 41ST STREET
NEW YORK, NY 10017
Assignment: 8
Reel/Frame:030047/0447   Pages: 3
Recorded: 03/20/2013
Attorney Dkt #:10589-141-999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAVIS, THOMAS
Exec Dt:
03/06/2013
2
GRACI, JASON D.
Exec Dt:
02/19/2013
3
GU, ZHENGXIAN
Exec Dt:
01/20/2013
4
TROTTA, CHRISTOPHER
Exec Dt:
03/06/2013
Assignee
1
PTC THERAPEUTICS, INC.
100 CORPORATE COURT
MIDDLESEX BUSINESS CENTER
SOUTH PLAINFIELD, NEW JERSEY 07079
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130171103
13699849
Correspondence name and address
MARKUS BERGAUER % JONES DAY
222 EAST 41ST STREET
NEW YORK, NY 10017
Assignment: 9
Reel/Frame:062786/0286   Pages: 8
Recorded: 02/23/2023
Attorney Dkt #:1368-60 PCT/US/DIV/CON2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRACI, JASON
Exec Dt:
01/27/2023
2
GU, ZHENGXIAN
Exec Dt:
01/28/2023
Assignee
1
PTC THERAPEUTICS, INC.
100 CORPORATE COURT
SOUTH PLAINFIELD, NEW JERSEY 07080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11613538
US20200317668
16909394
Correspondence name and address
HOFFMANN & BARON, LLP
6900 JERICHO TURNPIKE
SYOSSET, NY 11791

Search Results as of: 05/10/2024 03:47 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