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Status

Determination - Reexamination Ordered

Filed

Jan 22, 2026

Last Updated

Apr 14, 2026

Art Unit

3991

Requester

Unknown

Requester Law Firm

Kirkland & Ellis, LLP

Requested By

Third Party

Sector (CPC)

HElectrical & Electronic
H10Semiconductor Devices
H10BElectronic Memory Devices

USPC

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

Reexam History (33 events)

Apr 14, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Apr 6, 2026RXLET.Miscellaneous Incoming Letter
Apr 6, 2026RXC/SRCertificate of Service
Apr 6, 2026RXC/SRCertificate of Service
Apr 2, 2026PA..Change in Power of Attorney (May Include Associate POA)
Apr 1, 2026RXC.ADCorrespondence Address Change
Mar 31, 2026RXPA..Change in Power of Attorney (May Include Associate POA)
Mar 31, 2026RXC/SRCertificate of Service
Mar 31, 2026RXLET.Miscellaneous Incoming Letter
Mar 24, 2026RXC/SRCertificate of Service
Mar 24, 2026RXPET.Receipt of Petition in a Reexam
Mar 6, 2026RXLITSRReexam Litigation Search Conducted
Mar 6, 2026RXRLFReExam Litigation Found
Jan 30, 2026MRXNReexamination Formalities Notice Mailed
Jan 30, 2026COMPApplication Is Now Complete
Jan 30, 2026MRXNReexamination Formalities Notice Mailed
Jan 29, 2026RXNREQFDNotice of reexamination request filing date
Jan 29, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jan 29, 2026FTFIFITF set to NO - revise initial setting
Jan 29, 2026DOCKCase Docketed to Examiner in GAU
Jan 29, 2026RXNREQAUNotice of assignment of reexamination request
Jan 26, 2026RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Jan 22, 2026RXOSUCOrig Req Receipt Corrected
Jan 22, 2026RXOSUB.RReexamination requested by third party requester
Jan 22, 2026RXC/SRCertificate of Service
Jan 22, 2026PRXRParalegal Reexam Review Complete
Jan 20, 2026RXTTLRPTTitle Report
Jan 20, 2026RXLITSRReexam Litigation Search Conducted
Jan 20, 2026RXRLFReExam Litigation Found
Jan 16, 2026RXOSUB.RReexamination requested by third party requester
Jan 16, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Jan 16, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Jan 16, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)