90/016,345Accelerated Verification of Digital Signatures and Public Keys8,806,197Open

Status

Determination - Reexamination Ordered

Filed

May 27, 2026

Last Updated

Aug 17, 2026

Art Unit

3992

Requester Law Firm

Unknown

Requested By

Third Party

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04LTransmission of Digital Information

USPC

713Electrical Computers And Digital Processing Systems: Support

Reexam History (27 events)

Aug 17, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jul 20, 2026RXLITSRReexam Litigation Search Conducted
Jul 20, 2026RXRLFReExam Litigation Found
Jul 20, 2026PRXRParalegal Reexam Review Complete
Jun 29, 2026PA..Change in Power of Attorney (May Include Associate POA)
Jun 25, 2026RXC/SRCertificate of Service
Jun 11, 2026DOCKCase Docketed to Examiner in GAU
Jun 10, 2026COMPApplication Is Now Complete
Jun 10, 2026MRXNReexamination Formalities Notice Mailed
Jun 10, 2026MRXNReexamination Formalities Notice Mailed
Jun 10, 2026RXC/SRCertificate of Service
Jun 10, 2026RXPA..Change in Power of Attorney (May Include Associate POA)
Jun 9, 2026RXTTLRPTTitle Report
Jun 9, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jun 9, 2026FTFIFITF set to NO - revise initial setting
Jun 9, 2026RXNREQFDNotice of reexamination request filing date
Jun 9, 2026RXNREQAUNotice of assignment of reexamination request
May 27, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
May 27, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
May 27, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
May 27, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
May 27, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
May 27, 2026PRXRParalegal Reexam Review Complete
May 27, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
May 27, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
May 27, 2026RXC/SRCertificate of Service
May 27, 2026RXOSUB.RReexamination requested by third party requester

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

None found

Federal Circuit (CAFC)

None found

Terminal Disclaimer

Filed — ApprovedFeb 4, 2014

Prosecution History

DateCodeDescription
Feb 4, 2014P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Feb 4, 2014DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Aug 12, 2014
3.5-yr
Feb 12, 2018
Paid Feb 12, 2018
7.5-yr
Feb 12, 2022
Paid Feb 14, 2022
11.5-yr
Feb 12, 2026
Expiry
Sep 6, 2032

Entity Status

Large Entity

Expires

Sep 6, 2032 (6.2 yr remaining)

Term Adjustment

+106 days (~0.3 yr)

Other

USPTO Event: Maintenance Fee Reminder Mailed

Assignments

20072008200920102011201220132014201520162017201820192020202120222023FiledADRIAN ANTIPADANIEL R. BROWNMARINUS STRUIKSCOTT A. VANSTONEROBERT J. LAMBERTROBERT P. GALLANTCERTICOM CORP.BLACKBERRY LIMITEDOT PATENT ESCROW, LLCOT PATENT ESCROW, LLCMALIKIE INNOVATIONS LIMITEDMALIKIE INNOVATIONS LIMITEDMALIKIE INNOVATIONS LIMITED
AssignmentReel/Frame: 030632/0126Recorded: Jun 18, 2013

From

ADRIAN ANTIPAInventor
Apr 4, 2006
DANIEL R. BROWNInventor
Apr 4, 2006
ROBERT P. GALLANTInventor
Jun 8, 2006
ROBERT J. LAMBERTInventor
Apr 13, 2006
MARINUS STRUIKInventor
Apr 4, 2006
SCOTT A. VANSTONEInventor
Apr 5, 2006

To

CERTICOM CORP.

AssignmentReel/Frame: 050610/0937Recorded: Oct 2, 2019

From

CERTICOM CORP.
Sep 30, 2019

To

BLACKBERRY LIMITED

AssignmentReel/Frame: 063471/0474Recorded: Apr 27, 2023

From

BLACKBERRY LIMITED
Mar 20, 2023

To

OT PATENT ESCROW, LLC

AssignmentReel/Frame: 064806/0669Recorded: Sep 5, 2023

From

BLACKBERRY LIMITED
Mar 20, 2023

To

OT PATENT ESCROW, LLC

Nunc Pro TuncReel/Frame: 064015/0001Recorded: Jun 16, 2023

From

OT PATENT ESCROW, LLC
May 11, 2023

To

MALIKIE INNOVATIONS LIMITED

Nunc Pro TuncReel/Frame: 064066/0001Recorded: Jun 19, 2023

From

BLACKBERRY LIMITED
May 11, 2023

To

MALIKIE INNOVATIONS LIMITED

AssignmentReel/Frame: 064807/0001Recorded: Sep 5, 2023

From

OT PATENT ESCROW, LLC
May 11, 2023

To

MALIKIE INNOVATIONS LIMITED