90/019,420LINEARIZED OPTICAL DIGITAL-TO-ANALOG MODULATOR10,270,535Open

Status

Reexam Terminated - Notice of Intent to Issue a Reexamination Certificate Mailed

Filed

Feb 15, 2024

Last Updated

Aug 3, 2026

Examiner

Eric B Kiss

Art Unit

3992

Requester

Unknown

Requester Law Firm

Haynes and Boone, LLP

Requested By

Third Party

P.O. Law Firm

Nixon Peabody, LLP

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04BTransmission

USPC

341Coded Data Generation Or Conversion

Reexam History (52 events)

Aug 3, 2026MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Jun 10, 2026APHTPTAB Oral Hearing Transcript
Jun 10, 2026MAPHTMail PTAB Oral Hearing Transcript
Jun 9, 2026APHCHearing Completed
May 22, 2026RXBDRVPTAB Decision - Reversal
Apr 28, 2026RXLET.Miscellaneous Incoming Letter
Apr 28, 2026RXC/SRCertificate of Service
Mar 24, 2026APCHConfirmation of Hearing by Appellant
Mar 10, 2026APNH.CANotification Of Appeal Hearing- Silicon Valley, CA
Mar 10, 2026APNH.CANotification Of Appeal Hearing- Silicon Valley, CA
Feb 26, 2026AP_DK_MDocketing Notice Mailed to Appellant
Feb 25, 2026APASAssignment of Appeal Number
Feb 18, 2026APWDAppeal Awaiting PTAB Docketing
Feb 17, 2026RXBPAIReexam Forwarded to PTAB
Feb 17, 2026RXC/SRCertificate of Service
Feb 17, 2026RXAPRBReply Brief Filed
Feb 17, 2026RCCPRX - Concurrent Proceedings Notice
Feb 17, 2026RXRQOHRequest for Oral Hearing
Dec 17, 2025MRAEARX - Mail Examiners Answer
Jul 30, 2025RXAP.BAppeal Brief Filed
Jul 30, 2025RXAPBRAppeal Brief Review Complete
May 30, 2025RXN/APNotice of Appeal Filed
May 30, 2025RXC/SRCertificate of Service
Mar 31, 2025MRXFRRX - Mail Final Rejection
Mar 6, 2025IDSCInformation Disclosure Statement considered
Dec 30, 2024WIDSInformation Disclosure Statement (IDS) Filed
Dec 30, 2024RXC/SRCertificate of Service
Dec 30, 2024M844Information Disclosure Statement (IDS) Filed
Dec 30, 2024RXA...Response after Non-Final Action
Dec 30, 2024RXIDS.Information Disclosure Statement Filed
Oct 31, 2024MR.NFRX - Mail Reexam Non-Final Action
Jul 3, 2024RXFWDXDate Forwarded to Examiner
Apr 19, 2024MREXORX - Mail Ex Parte Request for Reexamination Granted
Feb 26, 2024DOCKCase Docketed to Examiner in GAU
Feb 23, 2024MRXNReexamination Formalities Notice Mailed
Feb 23, 2024MRXNReexamination Formalities Notice Mailed
Feb 22, 2024RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Feb 22, 2024RXRLFReExam Litigation Found
Feb 22, 2024RXLITSRReexam Litigation Search Conducted
Feb 22, 2024RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Feb 22, 2024RXNREQFDNotice of reexamination request filing date
Feb 22, 2024RXNREQAUNotice of assignment of reexamination request
Feb 20, 2024FTFSFITF set to YES - revise initial setting
Feb 16, 2024RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Feb 16, 2024RXTTLRPTTitle Report
Feb 15, 2024RXC/SRCertificate of Service
Feb 15, 2024BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Feb 15, 2024RXOSUB.RReexamination requested by third party requester
Feb 15, 2024RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Feb 15, 2024RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Feb 15, 2024RXIDS.Information Disclosure Statement Filed
Feb 15, 2024RXOSUBReceipt of Original Ex Parte Reexam Request

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2020-00123IPRInstitution Denied

Petitioner

Cisco Systems, Inc.

Petition Filed

Nov 5, 2019

Institution

May 15, 2020

Federal Circuit (CAFC)

None found

Terminal Disclaimer

Filed — ApprovedFeb 12, 2019

Prosecution History

DateCodeDescription
Feb 12, 2019P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Feb 12, 2019DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Apr 23, 2019
3.5-yr
Oct 23, 2022
Paid Oct 11, 2022
7.5-yr
Oct 23, 2026
11.5-yr
Oct 23, 2030
Expiry
Dec 28, 2038

Entity Status

Small Entity

Expires

Dec 28, 2038 (12.8 yr remaining)

Assignments

2010201120122013201420152016201720182019FiledOFER AMRANIYOSSEF EHRLICHMANSHLOMO RUSCHINRAMOT AT TEL-AVIV UNIVERSITY LTD.
AssignmentReel/Frame: 047979/0471Recorded: Jan 13, 2019

From

OFER AMRANIInventor
Dec 7, 2009
YOSSEF EHRLICHMANInventor
Dec 7, 2009
SHLOMO RUSCHINInventor
Dec 13, 2009

To

RAMOT AT TEL-AVIV UNIVERSITY LTD.