90/016,097METHOD OF MANUFACTURING A MAGNETORESISTIVE RANDOM ACCESS MEMORY (MRAM)11,968,909Closed

Status

REEXAM TERMINATED - Decision

Filed

Mar 29, 2026

Last Updated

May 27, 2026

Art Unit

3991

Requester

Unknown

Requester Law Firm

Unknown

Requested By

Third Party

Sector (CPC)

HElectrical & Electronic
H10Semiconductor Devices
H10NElectric Solid State Devices Not Covered Elsewhere

USPC

257Active Solid-State Devices (E.g., Transistors, Solid-State Diodes)

Reexam History (28 events)

May 27, 2026RETDRX - Decision Terminating of Reexam
May 27, 2026MRIFDRX - Mail Incomplete Ex Parte Reexam Request (Filing Date vacated)
May 19, 2026RXPET.Receipt of Petition in a Reexam
May 19, 2026RXC/SRCertificate of Service
May 8, 2026RXPET.Receipt of Petition in a Reexam
May 8, 2026RXPET.Receipt of Petition in a Reexam
May 8, 2026RXC/SRCertificate of Service
Apr 10, 2026MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Apr 6, 2026DOCKCase Docketed to Examiner in GAU
Apr 6, 2026DOCKCase Docketed to Examiner in GAU
Apr 6, 2026DOCKCase Docketed to Examiner in GAU
Apr 3, 2026MRXNReexamination Formalities Notice Mailed
Apr 3, 2026MRXNReexamination Formalities Notice Mailed
Apr 3, 2026COMPApplication Is Now Complete
Apr 2, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Apr 1, 2026RXNREQFDNotice of reexamination request filing date
Apr 1, 2026RXNREQAUNotice of assignment of reexamination request
Mar 31, 2026RXTTLRPTTitle Report
Mar 31, 2026RXRLFReExam Litigation Found
Mar 31, 2026RXLITSRReexam Litigation Search Conducted
Mar 31, 2026PRXRParalegal Reexam Review Complete
Mar 31, 2026FTFIFITF set to NO - revise initial setting
Mar 29, 2026WIDSInformation Disclosure Statement (IDS) Filed
Mar 29, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Mar 29, 2026RXOSUB.RReexamination requested by third party requester
Mar 29, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Mar 29, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Mar 29, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2024-01494IPRTrial Instituted

Petitioner

Western Digital Technologies, Inc. et al.

Petition Filed

Sep 27, 2024

Institution

Apr 30, 2025

Decision

Apr 30, 2025

Federal Circuit (CAFC)

None found

Terminal Disclaimer

Filed — ApprovedFeb 29, 2024

Prosecution History

DateCodeDescription
Feb 29, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Feb 29, 2024DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Apr 23, 2024
3.5-yr
Oct 23, 2027
7.5-yr
Oct 23, 2031
11.5-yr
Oct 23, 2035
Expiry
Jul 7, 2043

Entity Status

Large Entity

Expires

Jul 7, 2043 (17.3 yr remaining)

Assignments

2007200820092010201120122013201420152016201720182019202020212022202320242025FiledSHINJI YUASAJAPAN SCIENCE AND TECHNOLOGY AGENCYGODO KAISHA IP BRIDGE 1JAPAN SCIENCE AND TECHNOLOGY AGENCYGODO KAISHA IP BRIDGE 1GODO KAISHA IP BRIDGE 1
AssignmentReel/Frame: 070884/0980Recorded: Apr 18, 2025

From

SHINJI YUASAInventor
Aug 21, 2006

To

JAPAN SCIENCE AND TECHNOLOGY AGENCY

AssignmentReel/Frame: 070885/0126Recorded: Apr 18, 2025

From

JAPAN SCIENCE AND TECHNOLOGY AGENCY
Dec 23, 2021
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
Dec 23, 2021

To

GODO KAISHA IP BRIDGE 1

AssignmentReel/Frame: 071234/0505Recorded: May 8, 2025

From

GODO KAISHA IP BRIDGE 1
May 8, 2025

To

GODO KAISHA IP BRIDGE 1