90/016,073COMMUNICATION CHANNEL CALIBRATION FOR DRIFT CONDITIONS8,693,556Open

Status

Reexam - Request Ready for Ex Parte Action

Filed

Mar 23, 2026

Last Updated

Jul 12, 2026

Art Unit

3992

Requester

Unknown

Requester Law Firm

Unknown

Requested By

Third Party

Patent OwnerInferred

K.Mizra LLC

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04LTransmission of Digital Information

USPC

375Pulse Or Digital Communications

Reexam History (31 events)

Jul 12, 2026RXFWDXDate Forwarded to Examiner
Jul 9, 2026RXC/SRCertificate of Service
Jul 9, 2026RCCPRX - Concurrent Proceedings Notice
May 7, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Apr 14, 2026PA..Change in Power of Attorney (May Include Associate POA)
Apr 13, 2026RXC/SRCertificate of Service
Apr 13, 2026RXC.ADCorrespondence Address Change
Apr 13, 2026RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Apr 10, 2026RXPA..Change in Power of Attorney (May Include Associate POA)
Apr 7, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Apr 3, 2026RXPET.Receipt of Petition in a Reexam
Mar 31, 2026MRXNReexamination Formalities Notice Mailed
Mar 31, 2026COMPApplication Is Now Complete
Mar 31, 2026DOCKCase Docketed to Examiner in GAU
Mar 31, 2026MRXNReexamination Formalities Notice Mailed
Mar 30, 2026RXTTLRPTTitle Report
Mar 30, 2026RXNREQFDNotice of reexamination request filing date
Mar 30, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Mar 30, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Mar 30, 2026RXNREQAUNotice of assignment of reexamination request
Mar 30, 2026FTFIFITF set to NO - revise initial setting
Mar 26, 2026SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Mar 25, 2026RXRLFReExam Litigation Found
Mar 25, 2026RXLITSRReexam Litigation Search Conducted
Mar 24, 2026RXTTLRPTTitle Report
Mar 24, 2026PRXRParalegal Reexam Review Complete
Mar 23, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Mar 23, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Mar 23, 2026RXO_40.RReceipt of Orig. Ex Parte Request by Third Party Less Than 40 Pages - Rule 1.20(c )(1)
Mar 23, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Mar 23, 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 — ApprovedOct 4, 2013

Prosecution History

DateCodeDescription
Oct 4, 2013P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Oct 4, 2013DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Apr 8, 2014
3.5-yr
Oct 8, 2017
Paid Oct 9, 2017
7.5-yr
Oct 8, 2021
Paid Oct 8, 2021
11.5-yr
Oct 8, 2025
Expiry
Mar 18, 2033

Entity Status

Large Entity

Expires

Mar 18, 2033 (7 yr remaining)

Other

USPTO Event: Maintenance Fee Reminder Mailed

Assignments

200420052006200720082009201020112012201320142015201620172018201920202021202220232024FiledCRAIG E. HAMPELRICHARD E. PEREGOFREDERICK A. WARERAMBUS INC.K.MIZRA LLC
AssignmentReel/Frame: 031323/0222Recorded: Oct 1, 2013

From

CRAIG E. HAMPELInventor
Jan 27, 2004
RICHARD E. PEREGOInventor
Jan 27, 2004
FREDERICK A. WAREInventor
Jan 27, 2004

To

RAMBUS INC.

AssignmentReel/Frame: 065229/0338Recorded: Oct 13, 2023

From

RAMBUS INC.
Sep 28, 2023

To

K.MIZRA LLC