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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
11877297
Issue Dt:
01/16/2024
Application #:
18080515
Filing Dt:
12/13/2022
Publication #:
20230121802
Pub Dt:
04/20/2023
Inventors:
Zhijun Cai, Sean Michael McBeath, Hua Xu, Yongkang Jia, Youn Hyoung Heo et al
Title:
METHOD AND SYSTEM FOR SIGNALING TRANSMISSION LAYERS FOR SINGLE USER AND MULTI USER MIMO
Assignment: 1
Reel/Frame:
063863/0268Recorded: 06/06/2023Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
CAI, ZHIJUN
Exec Dt:
12/13/2011
HARRISON, ROBERT MARK
Exec Dt:
12/09/2011
MCBEATH, SEAN
Exec Dt:
12/09/2011
Assignee:
RESEARCH IN MOTION CORPORATION
THE CORPORATE TRUST CENTER
1209 ORANGE STREET
WILMINGTON, DELAWARE 19801
Correspondent:
FISH & RICHARDSON P.C.
P.O. BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 2
Reel/Frame:
063863/0523Recorded: 06/06/2023Pages: 18
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
XU, HUA
Exec Dt:
01/13/2012
JIA, YONGKANG
Exec Dt:
01/13/2012
EARNSHAW, ANDREW MARK
Exec Dt:
12/08/2011
FONG, MO-HAN
Exec Dt:
08/14/2011
HEO, YOUN
Exec Dt:
03/07/2012
Assignee:
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET
WATERLOO, ONTARIO, CANADA N2L 3W8
Correspondent:
FISH & RICHARDSON P.C.
P.O. BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 3
Reel/Frame:
063875/0541Recorded: 06/06/2023Pages: 9
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
RESEARCH IN MOTION CORPORATION
Exec Dt:
03/14/2012
Assignee:
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET
WATERLOO, ONTARIO, CANADA N2L 3W8
Correspondent:
FISH & RICHARDSON P.C.
P.O. BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 4
Reel/Frame:
063875/0580Recorded: 06/06/2023Pages: 3
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
RESEARCH IN MOTION LIMITED
Exec Dt:
07/09/2013
Assignee:
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST
WATERLOO, ONTARIO, CANADA N2K 0A7
Correspondent:
FISH & RICHARDSON P.C.
P.O. BOX 1022
MINNEAPOLIS, MN 55440-1022

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