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 : CHOI, YEONUK
Total Assignments: 18
Assignment: 1
Reel/Frame:021096/0808   Pages: 6
Recorded: 06/17/2008
Attorney Dkt #:758/11665.389
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, YEONUK
Exec Dt:
09/27/2000
2
PAYANT, SERGE
Exec Dt:
09/27/2000
3
KIM, JOO
Exec Dt:
09/27/2000
4
GIOVE, ANNA-MARIA
Exec Dt:
09/27/2000
5
RAO, RAMACHANDRA
Exec Dt:
10/06/2000
6
FINCH, JAMES ANDREW
Exec Dt:
10/06/2000
Assignee
1
NORANDA INC.
BCE PLACE, 181 BAY STREET, SUITE 4100
TORONTO, ONTARIO, CANADA M5J 2T3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6726889
US20030031611
10199512
Correspondence name and address
GOUDREAU GAGE DUBUC
2000 MCGILL COLLEGE, SUITE 2200
MONTREAL, PQC H3A 3H3
Assignment: 2
Reel/Frame:018973/0704   Pages: 5
Recorded: 03/07/2007
Attorney Dkt #:BGC 5172.1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, YEONUK
Exec Dt:
01/26/2007
2
KONDOS, PETER
Exec Dt:
01/26/2007
3
AYLMORE, MARK GRAHAM
Exec Dt:
01/26/2007
4
MCMULLEN, JACQUES
Exec Dt:
01/26/2007
5
VAN WEERT, GUS
Exec Dt:
11/17/2006
Assignee
1
BARRICK GOLD CORPORATION
161 BAY STREET, SUITE 3700,
CANADA TRUST TOWER, BCE PLACE
TORONTO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7572317
US20070137437
11558639
Correspondence name and address
PAUL I. J. FLEISCHUT
ONE METROPOLITAN SQUARE
16TH FLOOR
ST. LOUIS, MO 63102
Assignment: 3
Reel/Frame:019723/0019   Pages: 9
Recorded: 08/21/2007
Attorney Dkt #:5508-1 DWS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, YEONUK
Exec Dt:
08/07/2007
2
KONDOS, PETER D.
Exec Dt:
08/07/2007
3
MCMULLEN, JACQUES
Exec Dt:
08/08/2007
Assignee
1
BARRICK GOLD CORPORATION
BCE BLACE, CANADA TRUST TOWER
161 BAY STREET, SUITE 3700
TORONTO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8252254
US20070292326
11761103
Correspondence name and address
DOUGLAS W. SWARTZ
1560 BROADWAY, SUITE 1200
DENVER, CO 80202-5141
Assignment: 4
Reel/Frame:020096/0276   Pages: 7
Recorded: 11/12/2007
Attorney Dkt #:BGC 5173.2 (PIF/AXJ)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, YEONUK
Exec Dt:
11/06/2007
2
KONDOS, PETER
Exec Dt:
11/06/2007
3
MCMULLEN, JACQUES
Exec Dt:
11/08/2007
Assignee
1
BARRICK GOLD CORPORATION
161 BAY STREET, SUITE 3700
BCE PLACE, CANADA TRUST TOWER
TORONTO ONTARIO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7862786
US20080274026
11928229
Correspondence name and address
SENNIGER POWERS
ONE METROPOLITAN SQUARE
16TH FLOOR
ST. LOUIS, MO 63102
Assignment: 5
Reel/Frame:021765/0251   Pages: 4
Recorded: 10/30/2008
Attorney Dkt #:5508-23 DWS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILLIER, DANIEL
Exec Dt:
10/28/2008
2
AHERN, NOELENE
Exec Dt:
10/16/2008
3
CHOI, YEONUK
Exec Dt:
10/24/2008
Assignee
1
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER
SUITE 3700, 161 BAY STREET
TORONTO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7918919
US20090074608
12208961
Correspondence name and address
SHERIDAN ROSS PC
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 6
Reel/Frame:021765/0111   Pages: 4
Recorded: 10/30/2008
Attorney Dkt #:5508-50 DWS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILLIER, DANIEL
Exec Dt:
10/28/2008
2
CHOI, YEONUK
Exec Dt:
10/26/2008
3
AHERN, NOELENE
Exec Dt:
10/23/2008
Assignee
1
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER
SUITE 3700, 161 BAY STREET
TORONTO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8262770
US20090071296
12209939
Correspondence name and address
SHERIDAN ROSS PC
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 7
Reel/Frame:022254/0252   Pages: 6
Recorded: 02/13/2009
Attorney Dkt #:5508-34 (SAC)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YEN, WAN-TAI
Exec Dt:
02/12/2009
2
AMANKWAY, RICHARD KWASI
Exec Dt:
02/13/2009
3
CHOI, YEONUK
Exec Dt:
02/12/2009
Assignee
1
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER
SUITE 3700, 161 BAY STREET
TORONTO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090158893
12277046
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY, SUITE 1200
DENVER, CO 80202
Assignment: 8
Reel/Frame:022366/0877   Pages: 5
Recorded: 03/09/2009
Attorney Dkt #:5508-34
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YEN, WAN-TAI
Exec Dt:
02/12/2009
2
AMANKWAH, RICHARD KWASI
Exec Dt:
02/13/2009
3
CHOI, YEONUK
Exec Dt:
02/12/2009
Assignee
1
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER
161 BAY STREET, SUITE 3700
TORONTO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090158893
12277046
Correspondence name and address
MICHAEL J. INCORVIA
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 9
Reel/Frame:025625/0916   Pages: 2
Recorded: 01/12/2011
Attorney Dkt #:5508-68 DWS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHOI, YEONUK
Exec Dt:
01/10/2011
Assignee
1
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER
SUITE 3700, 161 BAY STREET
TORONTO, ONTARIO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8900535
US20110165059
12986898
Correspondence name and address
DOUGLAS W. SWARTZ
1560 BROADWAY
SUITE 1200
DENVER, CO 80202-5141
Assignment: 10
Reel/Frame:027957/0019   Pages: 2
Recorded: 03/29/2012
Attorney Dkt #:5508-75 DWS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, YEONUK
Exec Dt:
01/16/2012
2
CHEFAI, SAMIR
Exec Dt:
01/18/2012
Assignee
1
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER
SUITE 3700, 161 BAY STREET
TORONTO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8715389
US20120183433
13313594
Correspondence name and address
SHERIDAN ROSS PC/DOUGLAS W. SWARTZ
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 11
Reel/Frame:036365/0090   Pages: 2
Recorded: 08/19/2015
Attorney Dkt #:5508-75-1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, YEONUK
Exec Dt:
01/16/2012
2
CHEFAI, SAMIR
Exec Dt:
01/18/2012
Assignee
1
BARRICK GOLD CORPORATION
161 BAY STREET, SUITE 3700
BCE PLACE, CANADA TRUST TOWER
TORONTO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9790572
US20140035207
13958683
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 12
Reel/Frame:043799/0962   Pages: 2
Recorded: 10/05/2017
Attorney Dkt #:5508-75-1-CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, YEONUK
Exec Dt:
01/16/2012
2
CHEFAI, SAMIR
Exec Dt:
01/18/2012
Assignee
1
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER
SUITE 3700, 161 BAY STREET
TORONTO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10415116
US20180030571
15726091
Correspondence name and address
SHERIDAN ROSS PC
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 13
Reel/Frame:031812/0914   Pages: 5
Recorded: 12/18/2013
Attorney Dkt #:5508-80 DWS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, YEONUK
Exec Dt:
12/09/2013
2
WANG, QIANKUN
Exec Dt:
12/06/2013
3
LANGHANS, JOHN WILLIAM, JR.
Exec Dt:
12/06/2013
Assignee
1
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER
SUITE 3700, 161 BAY STREET
TORONTO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9051625
US20130091990
13524907
Correspondence name and address
SHERIDAN ROSS P.C./DOUGLAS W. SWARTZ
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 14
Reel/Frame:037543/0403   Pages: 8
Recorded: 01/21/2016
Attorney Dkt #:ACA11448-US-P1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHOU, QIONG
Exec Dt:
11/12/2015
2
JIANG, JUNHUA
Exec Dt:
09/28/2015
3
CHOI, YEONUK
Exec Dt:
09/29/2015
Assignee
1
AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
STATIONSSTRAAT 77
AMERSFOORT, NETHERLANDS NL-3811 MH
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9803260
US20160024613
14782356
Correspondence name and address
MATTHEW D. KELLAM
LEGAL DEPARTMENT
525 WEST VAN BUREN STREET
CHICAGO, IL 60607
Assignment: 15
Reel/Frame:036978/0613   Pages: 3
Recorded: 11/06/2015
Attorney Dkt #:5508-89 DWS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, YEONUK
Exec Dt:
10/23/2015
2
GHARELAR, AHMAD G.
Exec Dt:
10/23/2015
3
AHERN, NOELENE
Exec Dt:
10/30/2015
Assignee
1
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER
SUITE 3700, 161 BAY STREET
TORONTO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10077487
US20140356261
14287910
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 16
Reel/Frame:036989/0471   Pages: 2
Recorded: 11/09/2015
Attorney Dkt #:5508-88 DWS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, YEONUK
Exec Dt:
11/05/2015
2
GHAHREMANINEZHAD, AHMAD
Exec Dt:
11/07/2015
Assignee
1
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER
SUITE 3700, 161 BAY STREET
TORONTO, CANADA M5J 2SI
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10161016
US20140356225
14287889
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 17
Reel/Frame:043837/0901   Pages: 2
Recorded: 10/11/2017
Attorney Dkt #:5508-88-CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, YEONUK
Exec Dt:
11/05/2015
2
GHAHREMANINEZHAD, AHMAD
Exec Dt:
11/07/2015
Assignee
1
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER
SUITE 3700, 161 BAY STREET
TORONTO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10597752
US20180030572
15729961
Correspondence name and address
SHERIDAN ROSS PC
1560 BROADWAY
SUITE 1200
DENVER, CO 80202
Assignment: 18
Reel/Frame:060290/0759   Pages: 2
Recorded: 06/23/2022
Attorney Dkt #:5508-88-CON-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHOI, YEONUK
Exec Dt:
11/05/2015
Assignee
1
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER
SUITE 3700, 161 BAY STREET
TORONTO, CANADA M5J 2S1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11401580
US20200165702
16776332
Correspondence name and address
SHERIDAN ROSS P.C.
1560 BROADWAY
SUITE 1200
DENVER, CO 80202

Search Results as of: 05/14/2024 07:03 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