90/015,824METHOD OF PUBLIC KEY GENERATION7,372,961Open

Status

Reexam - Request Ready for Ex Parte Action

Filed

Jan 6, 2026

Last Updated

Jun 12, 2026

Examiner

Yuzhen Ge

Art Unit

3992

Requester

Unknown

Requested By

Third Party

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04LTransmission of Digital Information

USPC

380Cryptography

Reexam History (29 events)

Jun 12, 2026RXFWDXDate Forwarded to Examiner
May 28, 2026PA..Change in Power of Attorney (May Include Associate POA)
May 21, 2026RXOPPPETReexam - Opposition filed in response to petition
May 21, 2026RXC/SRCertificate of Service
May 7, 2026RXPET.Receipt of Petition in a Reexam
May 7, 2026RXC/SRCertificate of Service
Mar 10, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jan 16, 2026IDSCInformation Disclosure Statement considered
Jan 15, 2026MRXNReexamination Formalities Notice Mailed
Jan 15, 2026MRXNReexamination Formalities Notice Mailed
Jan 15, 2026DOCKCase Docketed to Examiner in GAU
Jan 15, 2026COMPApplication Is Now Complete
Jan 14, 2026RXTTLRPTTitle Report
Jan 14, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jan 14, 2026RXNREQFDNotice of reexamination request filing date
Jan 14, 2026RXNREQAUNotice of assignment of reexamination request
Jan 14, 2026FTFIFITF set to NO - revise initial setting
Jan 6, 2026RXC/SRCertificate of Service
Jan 5, 2026PRXRParalegal Reexam Review Complete
Jan 2, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Jan 2, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Dec 23, 2025WIDSInformation Disclosure Statement (IDS) Filed
Dec 23, 2025WIDSInformation Disclosure Statement (IDS) Filed
Dec 23, 2025RXRLFReExam Litigation Found
Dec 23, 2025RXOSUB.RReexamination requested by third party requester
Dec 23, 2025RXLITSRReexam Litigation Search Conducted
Dec 23, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Dec 23, 2025RXC/SRCertificate of Service
Dec 23, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2020-01741IPRTerminated-Settled

Petitioner

MobileIron, Inc.

Petition Filed

Oct 2, 2020

Terminated

Mar 23, 2021

IPR2019-00923IPRInstitution Denied

Petitioner

Facebook, Inc. et al.

Petition Filed

Apr 3, 2019

Institution

Nov 5, 2019

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
May 13, 2008
3.5-yr
Nov 13, 2011
7.5-yr
Nov 13, 2015
11.5-yr
Nov 13, 2019
Paid Nov 13, 2019
Expiry
Jul 12, 2023

Entity Status

Large Entity

Expires

Jul 12, 2023 (expired)

Term Adjustment

+563 days (~1.5 yr)

Assignments

200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025FiledDANIEL R. BROWNROBERT P. BROWN GALLANTROBERT J. LAMBERTALFRED MENEZESASHOK VADEKARSCOTT A. VANSTONECERTICOM CORP.BLACKBERRY LIMITEDMALIKIE INNOVATIONS LIMITED
AssignmentReel/Frame: 012725/0042Recorded: Mar 28, 2002

From

DANIEL R. BROWNInventor
Jan 25, 2002
ROBERT P. BROWN GALLANTInventor
Jan 25, 2002
ROBERT J. LAMBERTInventor
Jan 25, 2002
ALFRED MENEZESInventor
Jan 25, 2002
ASHOK VADEKARInventor
Jan 25, 2002
SCOTT A. VANSTONEInventor
Jan 25, 2002

To

CERTICOM CORP.

AssignmentReel/Frame: 039269/0856Recorded: Jul 27, 2016

From

CERTICOM CORP.
Jul 27, 2016

To

BLACKBERRY LIMITED

AssignmentReel/Frame: 070798/0381Recorded: Apr 10, 2025

From

BLACKBERRY LIMITED
Mar 28, 2025

To

MALIKIE INNOVATIONS LIMITED