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 : CHAKRABORTY, SUMANTA
Total Assignments: 7
Assignment: 1
Reel/Frame:015835/0103   Pages: 6
Recorded: 09/30/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAKRABORTY, SUMANTA
Exec Dt:
09/14/2004
2
JOSEPH, JIBU
Exec Dt:
09/14/2004
3
DAS, UTPAL
Exec Dt:
09/20/2004
4
SINGH, HARPREET
Exec Dt:
09/09/2004
Assignee
1
SIEMENS INFORMATION AND COMMUNICATION MOBILE, LLC
16745 WEST BERNARDO DRIVE, SUITE 400
INTELLECTUAL PROPERTY DEPARTMENT
SAN DIEGO, CALIFORNIA 92127-1903
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7587215
US20050176454
10888728
Correspondence name and address
SIEMENS CORPORATION
INTELLECTUAL PROPERTY DEPARTMENT
170 WOOD AVENUE SOUTH
ISELIN, NJ 08830
Assignment: 2
Reel/Frame:019971/0250   Pages: 6
Recorded: 09/24/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAKRABORTY, SUMANTA
Exec Dt:
09/14/2004
2
JOSEPH, JIBU
Exec Dt:
09/14/2004
3
DAS, UTPAL
Exec Dt:
09/20/2004
4
SINGH, HARPREET
Exec Dt:
09/09/2004
Assignee
1
SIEMENS INFORMATION AND COMMUNICATION MOBILE, LLC
16745 WEST BERNARDO DRIVE, SUITE 400
INTELLECTUAL PROPERTY DEPARTMENT
SAN DIEGO, CALIFORNIA 92127-1903
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7587215
US20050176454
10888728
Correspondence name and address
SIEMENS CORPORATION
INTELLECTUAL PROPERTY DEPARTMENT
170 WOOD AVENUE SOUTH
ISELIN, NJ 08830
Assignment: 3
Reel/Frame:020001/0471   Pages: 6
Recorded: 09/24/2007
Attorney Dkt #:2004P02011US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAKRABORTY, SUMANTA
Exec Dt:
09/14/2004
2
JOSEPH, JIBU
Exec Dt:
09/14/2004
3
DAS, UTPAL
Exec Dt:
09/20/2004
4
SINGH, HARPREET
Exec Dt:
09/09/2004
Assignee
1
SIEMENS INFORMATION AND COMMUNICATION MOBILE, LLC
16745 WEST BERNARDO DRIVE, SUITE 400
INTELLECTUAL PROPERTY DEPARTMENT
SAN DIEGO, CALIFORNIA 92127-1903
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080026703
11903864
Correspondence name and address
SIEMENS CORPORATION
INTELLECTUAL PROPERTY DEPARTMENT
170 WOOD AVENUE SOUTH
ISELIN, NJ 08830
Assignment: 4
Reel/Frame:020600/0873   Pages: 6
Recorded: 03/04/2008
Attorney Dkt #:2007P20452US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAKRABORTY, SUMANTA
Exec Dt:
09/14/2004
2
JOSEPH, JIBU
Exec Dt:
09/14/2004
3
DAS, UTPAL
Exec Dt:
09/20/2004
4
SINGH, HARPREET
Exec Dt:
09/09/2004
Assignee
1
SIEMENS INFORMATION AND COMMUNICATIONS MOBILE, LLC
2205 GRAND AVENUE PARKWAY
AUSTIN, TEXAS 78728-3811
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080026702
11903857
Correspondence name and address
SIEMENS CORPORATION
INTELLECTUAL PROPERTY DEPARTMENT
170 WOOD AVENUE SOUTH
ISELIN, NJ 08830
Assignment: 5
Reel/Frame:016663/0487   Pages: 5
Recorded: 06/03/2005
Attorney Dkt #:2004 P 03993 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAITI, BANIKUMAR
Exec Dt:
06/02/2005
2
CHAKRABORTY, SUMANTA
Exec Dt:
06/02/2005
3
JHAJHRIA, SURYAKANT
Exec Dt:
06/02/2005
Assignee
1
SIEMENS COMMUNICATIONS, INC.
900 BROKEN SOUND BLVD.
BOCA RATON, FLORIDA 33487
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060277023
11145044
Correspondence name and address
ELSA KELLER
SIEMENS CORPORATION
INTELLECTUAL PROPERTY DEPARTMENT
170 WOOD AVENUE SOUTH
ISELIN, NJ 08830
Assignment: 6
Reel/Frame:053454/0977   Pages: 22
Recorded: 08/11/2020
Attorney Dkt #:30244-N65001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LENKE, NILS
Exec Dt:
01/23/2020
2
WOUTERS, JOHAN
Exec Dt:
01/10/2020
3
EMFIELD, ADAM
Exec Dt:
02/10/2020
4
CHAKRABORTY, SUMANTA
Exec Dt:
01/09/2020
5
ORTIZ, CHARLES L., JR.
Exec Dt:
03/02/2020
Assignee
1
CERENCE OPERATING COMPANY
15 WAYSIDE ROAD
BURLINGTON, MASSACHUSETTS 01803
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11577742
US20200216086
16734108
Correspondence name and address
OCCHIUTI & ROHLICEK LLP
50 CONGRESS ST., STE 1000
BOSTON, MA 02109
Assignment: 7
Reel/Frame:062816/0376   Pages: 24
Recorded: 02/21/2023
Attorney Dkt #:30244-N65002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LENKE, NILS
Exec Dt:
01/23/2020
2
WOUTERS, JOHAN
Exec Dt:
01/10/2020
3
EMFIELD, ADAM
Exec Dt:
02/10/2020
4
CHAKRABORTY, SUMANTA
Exec Dt:
01/09/2020
5
ORTIZ, CHARLES L., JR.
Exec Dt:
03/02/2020
Assignee
1
CERENCE OPERATING COMPANY
ONE BURLINGTON WOODS DRIVE, SUITE 301A
BURLINGTON, MASSACHUSETTS 01803
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12269491
US20230227053
18108709
Correspondence name and address
OCCHIUTI & ROHLICEK LLP
50 CONGRESS ST., STE 1000
BOSTON, MA 02109

Search Results as of: 08/16/2025 09:56 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