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Patent Assignment Assignor Details
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Assignor Name : SIRCAR, SHILADITYA
Total Assignments: 17
Assignment: 1
Reel/Frame:024177/0641   Pages: 7
Recorded: 04/01/2010
Attorney Dkt #:35242-US-PAT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIRCAR, SHILADITYA
Exec Dt:
03/23/2010
2
RAO, MICHAEL
Exec Dt:
03/25/2010
3
KEWALRAMANI, VIKRAM RATTAN
Exec Dt:
03/17/2010
Assignee
1
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET
WATERLOO, CANADA N2L 3W8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9479603
US20110214066
12715087
Correspondence name and address
SARAH CROSS
5000 RIVERSIDE DRIVE
BLDG 6-SUITE 100
IRVING, TX 75039
Assignment: 2
Reel/Frame:024742/0800   Pages: 11
Recorded: 07/26/2010
Attorney Dkt #:1578.1164 (35224-US-PAT)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAO, MICHAEL
Exec Dt:
07/12/2010
2
BULLER, JANELE
Exec Dt:
07/13/2010
3
KEWALRAMANI, VIKRAM RATTAN
Exec Dt:
07/14/2010
4
EISENER, THANE
Exec Dt:
07/16/2010
5
SIRCAR, SHILADITYA
Exec Dt:
07/16/2010
6
FERRAZZINI, AXEL DENIS
Exec Dt:
07/09/2010
7
OMAR, SALIM HAYDER
Exec Dt:
07/09/2010
Assignee
1
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET
WATERLOO, ONTARIO, CANADA N2L 3W8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120023548
12843530
Correspondence name and address
DOCKET CLERK
PO BOX 12608
DALLAS, TX 75225
Assignment: 3
Reel/Frame:024865/0714   Pages: 7
Recorded: 08/20/2010
Attorney Dkt #:20605-22/JBH
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIRCAR, SHILADITYA
Exec Dt:
07/20/2010
2
ZHOU, LIN MIKE
Exec Dt:
07/19/2010
3
HAQUE, SHADID
Exec Dt:
08/13/2010
Assignee
1
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET
WATERLOO, ONTARIO N2L 3W8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110169732
12836029
Correspondence name and address
BERESKIN & PARR LLP/S.E.N.C.R.L., S.R.L.
40 KING STREET WEST, 40TH FLOOR
TORONTO, ONC M5H3Y2
Assignment: 4
Reel/Frame:025840/0808   Pages: 9
Recorded: 02/22/2011
Attorney Dkt #:4214-29402
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KALU, KALU ONUKA
Exec Dt:
01/05/2011
2
COMAN, TUDOR
Exec Dt:
01/17/2011
3
CONNELL, ROBERT ANDREW
Exec Dt:
01/17/2011
4
CHAN, EDWARD CHUN KEI
Exec Dt:
01/10/2011
5
SIRCAR, SHILADITYA
Exec Dt:
01/13/2011
Assignee
1
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET
WATERLOO, ON, CANADA N2L 3W8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8745522
US20120079417
12963361
Correspondence name and address
J. ROBERT BROWN, JR.
5601 GRANITE PARKWAY, SUITE 750
PLANO, TX 75024
Assignment: 5
Reel/Frame:029070/0457   Pages: 31
Recorded: 10/03/2012
Attorney Dkt #:36895-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BUTLER, BRIAN STEVEN
Exec Dt:
04/15/2011
2
SIRCAR, SHILADITYA
Exec Dt:
02/11/2011
3
KUMAR, ARUN
Exec Dt:
05/24/2012
4
MOLLINS, PATRICK
Exec Dt:
06/30/2012
5
KEWALRAMANI, VIKRAM
Exec Dt:
02/11/2011
Assignee
1
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET
WATERLOO, CANADA N2L 3W8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8996662
US20130013750
13635266
Correspondence name and address
HANLEY, FLIGHT & ZIMMERMAN, LLC
150 S WACKER DRIVE, SUITE 2100
CHICAGO, IL 60606
Assignment: 6
Reel/Frame:028530/0365   Pages: 14
Recorded: 07/11/2012
Attorney Dkt #:9498.014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SACHDEVA, TARUN
Exec Dt:
03/13/2012
2
DEZELAK, JONATHAN ELI
Exec Dt:
03/05/2012
3
SHIFFMAN, ELLIOT DANIEL
Exec Dt:
04/12/2012
4
LEVITZ, ARON ROBERT
Exec Dt:
04/12/2012
5
HAY, CATHARINE
Exec Dt:
03/13/2012
6
MITCHELL, ALISTAIR
Exec Dt:
07/03/2012
7
SIRCAR, SHILADITYA
Exec Dt:
04/11/2012
8
THOMAS, EDWARD ERIC
Exec Dt:
03/06/2012
9
FUKUMOTO, SCOTT
Exec Dt:
04/10/2012
Assignee
1
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET
WATERLOO, CANADA N2L 3W8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120271882
13333792
Correspondence name and address
NOVAK DRUCE + QUIGG
1000 LOUISIANA STREET
53RD FLOOR
HOUSTON, TX 77002
Assignment: 7
Reel/Frame:033510/0411   Pages: 10
Recorded: 08/11/2014
Attorney Dkt #:1400-064U
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRANDER, RYAN CONRAD
Exec Dt:
07/06/2014
2
SIRCAR, SHILADITYA
Exec Dt:
08/06/2014
Assignee
1
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST
WATERLOO, CANADA N2K 0A7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9226147
US20150350895
14294140
Correspondence name and address
CRGO LAW
7900 GLADES ROAD. SUITE 520
BOCA RATON, FL 33434
Assignment: 8
Reel/Frame:035600/0449   Pages: 10
Recorded: 05/08/2015
Attorney Dkt #:PAT 103260-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KALKOUNIS, NICHOLAS
Exec Dt:
05/04/2015
2
SIRCAR, SHILADITYA
Exec Dt:
05/06/2015
Assignee
1
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST
WATERLOO, ONTARIO, CANADA N2K 0A7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9883358
US20160330597
14707895
Correspondence name and address
BORDEN LADNER GERVAIS LLP (VANCOUVER/BB)
1200 WATERFRONT CENTRE
200 BURRARD STREET, P.O. BOX 48600
VANCOUVER, V7X 1T2 CANADA
Assignment: 9
Reel/Frame:035967/0444   Pages: 17
Recorded: 06/26/2015
Attorney Dkt #:49334-US-PAT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIRCAR, SHILADITYA
Exec Dt:
06/12/2015
2
HUNGERFORD, SEAN
Exec Dt:
06/11/2015
3
SPENCER, BRADFORD LAWRENCE
Exec Dt:
06/10/2015
Assignee
1
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST
WATERLOO, CANADA N2K A07
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9942180
US20160380931
14751538
Correspondence name and address
FLEIT GIBBONS GUTMAN BONGINI & BIANCO P.
551 NW 77TH STREET
SUITE 111
BOCA RATON, FL 33487
Assignment: 10
Reel/Frame:044270/0724   Pages: 17
Recorded: 12/01/2017
Attorney Dkt #:49334-US-CNT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIRCAR, SHILADITYA
Exec Dt:
06/12/2015
2
HUNGERFORD, SEAN
Exec Dt:
06/11/2015
3
SPENCER, BRADFORD LAWRENCE
Exec Dt:
06/10/2015
Assignee
1
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST
WATERLOO, ONTARIO, CANADA N2K 0A7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10257131
US20180102991
15828521
Correspondence name and address
FLEIT GIBBONS GUTMAN BONGINI & BIANCO P.
4800 N. FEDERAL HIGHWAY, SUITE B306
BOCA RATON, FL 33431
Assignment: 11
Reel/Frame:042381/0828   Pages: 23
Recorded: 05/01/2017
Attorney Dkt #:PAT 103990-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPENCER, BRADFORD LAWRENCE
Exec Dt:
03/28/2017
2
MACCARA, JANET KORI
Exec Dt:
03/28/2017
3
SIRCAR, SHILADITYA
Exec Dt:
03/28/2017
4
ROZINOV, BORIS
Exec Dt:
03/29/2017
5
VACHON, MARC-ANDRE
Exec Dt:
03/29/2017
Assignee
1
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST
WATERLOO, CANADA N2K 0A7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10812434
US20180278566
15467865
Correspondence name and address
BORDEN LADNER GERVAIS LLP
1200 WATERFRONT CENTRE, 200 BURRARD STR.
VANCOUVER, V7X 1T2 CANADA
Assignment: 12
Reel/Frame:051674/0554   Pages: 4
Recorded: 01/30/2020
Attorney Dkt #:1679-2213
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SIRCAR, SHILADITYA
Exec Dt:
01/30/2020
Assignee
1
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST
WATERLOO, CANADA N2K 0A7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11012399
NONE
16777177
Correspondence name and address
JENNA L.WILSON
250 UNIVERSITY AVENUE, 5TH FLOOR
WILSON LUE LLP
TORONTO, M5H 3E5 CANADA
Assignment: 13
Reel/Frame:055670/0872   Pages: 4
Recorded: 03/22/2021
Attorney Dkt #:51005-US-PAT (4214-81900)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SIRCAR, SHILADITYA
Exec Dt:
12/03/2020
Assignee
1
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST
WATERLOO, ON, CANADA N2K 0A7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11451742
US20220182578
17112637
Correspondence name and address
J. ROBERT BROWN, JR.
4965 PRESTON PARK BLVD., SUITE 195E
PLANO, TX 75093
Assignment: 14
Reel/Frame:061676/0008   Pages: 4
Recorded: 11/07/2022
Attorney Dkt #:51005-US-CNT (4214-81902)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SIRCAR, SHILADITYA
Exec Dt:
12/03/2020
Assignee
1
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST
WATERLOO, ON, CANADA N2K 0A7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230017401
17946890
Correspondence name and address
J. ROBERT BROWN, JR.
4965 PRESTON PARK BOULEVARD, SUITE 195E
PLANO, TX 75093
Assignment: 15
Reel/Frame:055078/0213   Pages: 4
Recorded: 01/29/2021
Attorney Dkt #:101-0542USP1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SIRCAR, SHILADITYA
Exec Dt:
01/26/2021
Assignee
1
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST
WATERLOO, CANADA N2K 0A7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11765190
US20220239679
17159248
Correspondence name and address
ROWAND LLP
3080 YONGE STREET, SUITE 6060
TORONTO, ONC M4N 3N1
Assignment: 16
Reel/Frame:058636/0021   Pages: 4
Recorded: 01/12/2022
Attorney Dkt #:29717-2341001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SIRCAR, SHILADITYA
Exec Dt:
12/09/2021
Assignee
1
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST
WATERLOO, ONTARIO, CANADA N2K 0A7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230188563
17546946
Correspondence name and address
FISH & RICHARDSON P.C.
P.O. BOX 1022
MINNEAPOLIS, MN 55440
Assignment: 17
Reel/Frame:060136/0473   Pages: 4
Recorded: 06/08/2022
Attorney Dkt #:29717-2349001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SIRCAR, SHILADITYA
Exec Dt:
05/25/2022
Assignee
1
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST
WATERLOO, ONTARIO, CANADA N2K 0A7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230388322
17825823
Correspondence name and address
FISH & RICHARDSON P.C.
P.O. BOX 1022
MINNEAPOLIS, MN 55440

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