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 : CHEN, GONGYIN
Total Assignments: 12
Assignment: 1
Reel/Frame:012466/0624   Pages: 3
Recorded: 12/31/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, GONGYIN
Exec Dt:
12/28/2001
2
LANZA, RICHARD C.
Exec Dt:
12/27/2001
Assignee
1
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
ROOM NE25-230,
FIVE CAMBRIDGE CENTER, KENDALL SQUARE
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6693281
US20020171042
10039487
Correspondence name and address
MINTZ, LEVIN, COHN, FERRIS, GLOVSKY
AND POPEO, P.C.
A. JASON MIRABITO
ONE FINANCIAL CENTER
BOSTON, MA 02111
Assignment: 2
Reel/Frame:022141/0200   Pages: 6
Recorded: 01/22/2009
Attorney Dkt #:08-039-US (8632/93443)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, GONGYIN
Exec Dt:
01/13/2009
2
DRUBKA, ROBERT EDWARD
Exec Dt:
01/19/2009
3
WILSON, ZANE J.
Exec Dt:
01/13/2009
Assignee
1
VARIAN MEDICAL SYSTEMS, INC.
3100 HANSEN WAY
PALO ALTO, CALIFORNIA 94304-1038
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7991117
US20100177873
12352974
Correspondence name and address
FITCH EVEN TABIN AND FLANNERY
120 SOUTH LA SALLE STREET
SUITE 1600
CHICAGO, IL 60603-3406
Assignment: 3
Reel/Frame:022788/0507   Pages: 12
Recorded: 06/05/2009
Attorney Dkt #:08-064-US (8632/94001)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FOX, TIMOTHY R.
Exec Dt:
06/01/2009
2
CHEN, GONGYIN
Exec Dt:
06/01/2009
3
HOLT, KEVIN M.
Exec Dt:
06/01/2009
4
BJORKHOLM, PAUL J.
Exec Dt:
06/05/2009
5
NISIUS, DAVID T.
Exec Dt:
06/01/2009
Assignee
1
VARIAN MEDICAL SYSTEMS, INC.
3100 HANSEN WAY
PALO ALTO, ILLINOIS 94304-1038
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8184769
US20100310042
12479376
Correspondence name and address
FITCH EVEN TABIN AND FLANNERY VARIAN MED
120 SOUTH LASALLE STREET
SUITE 1600
CHICAGO, IL 60603-3406
Assignment: 4
Reel/Frame:024783/0939   Pages: 7
Recorded: 06/29/2010
Conveyance: CORRECTED ASSIGNMENT
Assignors
1
CHEN, GONGYIN
Exec Dt:
05/18/2010
2
TURNER, JOHN
Exec Dt:
05/18/2010
3
EATON, DOUGLAS W.
Exec Dt:
05/18/2010
Assignee
1
VARIAN MEDICAL SYSTEMS, INC.
3100 HANSEN WAY
PALO ALTO, CALIFORNIA 94304
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8183801
US20100038563
12228350
Correspondence name and address
BRANDON N. SKLAR C/O KAYE SCHOLER LLP
425 PARK AVENUE
NEW YORK, NEW YORK 10022-3598
Assignment: 5
Reel/Frame:024500/0115   Pages: 5
Recorded: 06/08/2010
Attorney Dkt #:8632/97419 (10-006-US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, GONGYIN
Exec Dt:
06/01/2010
2
DRUBKA, ROBERT EDWARD
Exec Dt:
06/05/2010
Assignee
1
VARIAN MEDICAL SYSTEMS, INC.
3100 HANSEN WAY
PALO ALTO, CALIFORNIA 93404-1038
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9960754
US20110298299
12795894
Correspondence name and address
FITCH EVEN TABIN AND FLANNERY VARIAN MED
120 SOUTH LASALLE STREET
SUITE 1600
CHICAGO, IL 60603-3406
Assignment: 6
Reel/Frame:026974/0954   Pages: 4
Recorded: 09/26/2011
Attorney Dkt #:63314-1042
Conveyance: ASSIGNMENT OF PATENT APPLICATION
Assignors
1
EATON, DOUGLAS W.
Exec Dt:
09/14/2011
2
CHEN, GONGYIN
Exec Dt:
09/08/2011
3
FOX, TIMOTHY R.
Exec Dt:
09/08/2011
Assignee
1
VARIAN MEDICAL SYSTEMS, INC.
3100 HANSEN WAY
PALO ALTO, CALIFORNIA 94304
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8803453
US20120326636
13134989
Correspondence name and address
JOSEPH DI LAURO C/O KAYE SCHOLER LLP
425 PARK AVENUE
NEW YORK, NY 10022-3598
Assignment: 7
Reel/Frame:029122/0165   Pages: 4
Recorded: 10/12/2012
Attorney Dkt #:VM 11-051-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, GONGYIN
Exec Dt:
09/24/2012
2
TURNER, JOHN C.
Exec Dt:
09/24/2012
Assignee
1
VARIAN MEDICAL SYSTEMS, INC.
3100 HANSEN WAY
PALO ALTO, CALIFORNIA 94304-1038
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8878432
US20140049158
13589920
Correspondence name and address
GERALD CHAN
VISTA IP LAW GROUP, LLP (VARIAN)
2160 LUNDY AVENUE, SUITE 230
SAN JOSE, CA 95131
Assignment: 8
Reel/Frame:031701/0479   Pages: 5
Recorded: 12/02/2013
Attorney Dkt #:88389-003200US-871723
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, GONGYIN
Exec Dt:
07/08/2013
2
DRUBKA, ROBERT
Exec Dt:
07/08/2013
Assignee
1
VARIAN MEDICAL SYSTEMS, INC.
3100 HANSEN WAY
M/S E-339
PALO ALTO, CALIFORNIA 94304
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9338875
US20150043717
13961831
Correspondence name and address
KILPATRICK TOWNSEND & STOCKTON LLP
TWO EMBARCADERO CENTER
EIGHTH FLOOR
SAN FRANCISCO, CA 94111
Assignment: 9
Reel/Frame:035523/0942   Pages: 3
Recorded: 04/29/2015
Attorney Dkt #:6120-17-330165
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, GONGYIN
Exec Dt:
04/21/2015
2
ROMRIELL, KENNETH TODD
Exec Dt:
04/24/2015
3
HOWELL, DAVID ALAN
Exec Dt:
04/22/2015
Assignee
1
VARIAN MEDICAL SYSTEMS, INC.
3100 HANSON WAY
PALO ALTO, CALIFORNIA 94306
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9119281
US20140152197
13692344
Correspondence name and address
COZEN O''CONNOR (VARIAN)
277 PARK AVENUE
NEW YORK, NY 10172
Assignment: 10
Reel/Frame:040269/0053   Pages: 7
Recorded: 11/09/2016
Attorney Dkt #:8632-132942-US (14-023)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, GONGYIN
Exec Dt:
11/02/2016
2
DRUBKA, ROBERT E.
Exec Dt:
11/08/2016
3
STAMMETTI, JOHN
Exec Dt:
11/08/2016
4
STIRM, CHARLES
Exec Dt:
11/02/2016
Assignee
1
VARIAN MEDICAL SYSTEMS, INC.
3100 HANSEN WAY
PALO ALTO, CALIFORNIA 94304-1038
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180120240
15337422
Correspondence name and address
FITCH EVEN TABIN & FLANNERY, LLP VARIAN
120 S LASALLE STREET, SUITE 1600
CHICAGO, IL 60603-3406
Assignment: 11
Reel/Frame:040673/0368   Pages: 8
Recorded: 12/19/2016
Attorney Dkt #:6120-21-347538
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, GONGYIN
Exec Dt:
12/05/2016
2
HOLT, KEVIN
Exec Dt:
12/02/2016
3
DRUBKA, ROBERT
Exec Dt:
12/07/2016
4
STAMMETTI, JOHN
Exec Dt:
12/05/2016
5
DUNCAN, MICHAEL
Exec Dt:
12/15/2016
6
FOX, TIMOTHY R.
Exec Dt:
12/10/2016
7
NISIUS, DAVID
Exec Dt:
12/02/2016
8
HU, MARTIN
Exec Dt:
12/02/2016
Assignee
1
VARIAN MEDICAL SYSTEMS, INC.
3100 HANSON WAY
PALO ALTO, CALIFORNIA 94306
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9778391
US20140294147
14218699
Correspondence name and address
COZEN O''CONNOR (VARIAN)
277 PARK AVENUE
NEW YORK, NY 10172
Assignment: 12
Reel/Frame:059056/0008   Pages: 6
Recorded: 02/21/2022
Attorney Dkt #:539604US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, GONGYIN
Exec Dt:
02/15/2022
2
BAUMGART, J. STEPHEN
Exec Dt:
02/15/2022
3
GREENWOOD, GREGORY
Exec Dt:
02/17/2022
4
SHEA, JAMES
Exec Dt:
02/17/2022
Assignee
1
LEIDOS ENGINEERING, LLC
1250 N PONTIAC TRAIL
WALLED LAKE, MICHIGAN 48390
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230269860
17676348
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

Search Results as of: 05/18/2024 04:36 PM
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