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90/016,149METHODS AND SYSTEMS FOR SEARCH INDEXING8,856,093Closed

Status

Request for Reexamination Denied

Filed

Apr 3, 2026

Last Updated

May 20, 2026

Art Unit

3992

Requester Law Firm

Klarquist Sparkman, LLP

Requested By

Third Party

Patent Owner

X1 Discovery Inc.

Sector (CPC)

GPhysics & Instruments
G06Computing & Data Processing
G06FElectric Digital Data Processing

USPC

385Optical Waveguides

Reexam History (39 events)

May 20, 2026MREXDRX - Mail Ex Parte Request for Reexamination Denied
May 18, 2026MRILDRX - Mail Improper Letter Destroyed
May 7, 2026RXC/SRCertificate of Service
May 7, 2026PA..Change in Power of Attorney (May Include Associate POA)
May 7, 2026MRXNReexamination Formalities Notice Mailed
May 7, 2026MRXNReexamination Formalities Notice Mailed
May 7, 2026MPENMail Pre-Exam Notice
May 7, 2026COMPApplication Is Now Complete
May 6, 2026WROIPEApplication Return from OIPE
May 6, 2026ROIPEApplication Return TO OIPE
May 4, 2026RXC/SRCertificate of Service
Apr 23, 2026W/OAPre-Exam Office Action Withdrawn
Apr 23, 2026MRXNReexamination Formalities Notice Mailed
Apr 23, 2026MRXNReexamination Formalities Notice Mailed
Apr 23, 2026MPENMail Pre-Exam Notice
Apr 23, 2026COMPApplication Is Now Complete
Apr 22, 2026WROIPEApplication Return from OIPE
Apr 22, 2026ROIPEApplication Return TO OIPE
Apr 21, 2026DOCKCase Docketed to Examiner in GAU
Apr 20, 2026RXRLFReExam Litigation Found
Apr 20, 2026RXLITSRReexam Litigation Search Conducted
Apr 15, 2026W/OAPre-Exam Office Action Withdrawn
Apr 15, 2026MRXNReexamination Formalities Notice Mailed
Apr 15, 2026MRXNReexamination Formalities Notice Mailed
Apr 15, 2026COMPApplication Is Now Complete
Apr 14, 2026RXTTLRPTTitle Report
Apr 14, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Apr 14, 2026RXNREQFDNotice of reexamination request filing date
Apr 14, 2026RXNREQAUNotice of assignment of reexamination request
Apr 9, 2026PRXRParalegal Reexam Review Complete
Apr 9, 2026FTFIFITF set to NO - revise initial setting
Apr 3, 2026RXRLFReExam Litigation Found
Apr 3, 2026RXOSUB.RReexamination requested by third party requester
Apr 3, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Apr 3, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Apr 3, 2026RXC/SRCertificate of Service
Apr 3, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Apr 3, 2026CLAIMClaim Preliminary Amendment
Apr 3, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)