90/019,333LINEARIZED OPTICAL DIGITAL-TO-ANALOG MODULATOR10,033,465Closed

Status

Reexamination Certificate Issued

Filed

Dec 13, 2023

Last Updated

Aug 7, 2026

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 (58 events)

Aug 7, 2026REEXInput Issue Number and Issue Date for Reexamination
Jun 3, 2026RXPUBSReexam Forwarded to Office of Publications
Feb 24, 2026MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Feb 12, 2026RXRLFReExam Litigation Found
Feb 12, 2026RXLITSRReexam Litigation Search Conducted
Dec 30, 2025RXBDRVPTAB Decision - Reversal
Dec 4, 2025MAPHTMail PTAB Oral Hearing Transcript
Dec 3, 2025APHTPTAB Oral Hearing Transcript
Nov 4, 2025APHCHearing Completed
Sep 16, 2025APCHConfirmation of Hearing by Appellant
Aug 21, 2025APNH.CANotification Of Appeal Hearing- Silicon Valley, CA
Jun 12, 2025AP_DK_MDocketing Notice Mailed to Appellant
Jun 11, 2025APWDAppeal Awaiting PTAB Docketing
Jun 11, 2025APASAssignment of Appeal Number
Jun 10, 2025RXBPAIReexam Forwarded to PTAB
Jun 9, 2025RXRQOHRequest for Oral Hearing
Jun 9, 2025RXFEE.Fee Payment Only Filed
Jun 9, 2025RXC/SRCertificate of Service
Jun 9, 2025RXAPRBReply Brief Filed
Apr 7, 2025MRAEARX - Mail Examiners Answer
Feb 25, 2025RXC/SRCertificate of Service
Feb 25, 2025RXC/SRCertificate of Service
Feb 25, 2025RXAP.BAppeal Brief Filed
Jan 21, 2025RXC/SRCertificate of Service
Jan 21, 2025RXAPBRAppeal Brief Review Complete
Nov 20, 2024RXN/APNotice of Appeal Filed
Nov 20, 2024RXC/SRCertificate of Service
Oct 16, 2024MRXFRRX - Mail Final Rejection
Sep 10, 2024RXC/SRCertificate of Service
Sep 10, 2024RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Sep 10, 2024RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Sep 10, 2024RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Sep 10, 2024RXA...Response after Non-Final Action
Jul 11, 2024MR.NFRX - Mail Reexam Non-Final Action
May 15, 2024RXFWDXDate Forwarded to Examiner
Mar 11, 2024MREXORX - Mail Ex Parte Request for Reexamination Granted
Jan 25, 2024IDSCInformation Disclosure Statement considered
Jan 11, 2024MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Jan 2, 2024DOCKCase Docketed to Examiner in GAU
Dec 18, 2023MRXNReexamination Formalities Notice Mailed
Dec 18, 2023MRXNReexamination Formalities Notice Mailed
Dec 15, 2023RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Dec 15, 2023RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Dec 15, 2023RXNREQFDNotice of reexamination request filing date
Dec 15, 2023RXNREQAUNotice of assignment of reexamination request
Dec 15, 2023FTFIFITF set to NO - revise initial setting
Dec 13, 2023WIDSInformation Disclosure Statement (IDS) Filed
Dec 13, 2023RXTTLRPTTitle Report
Dec 13, 2023RXRLFReExam Litigation Found
Dec 13, 2023RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Dec 13, 2023RXOSUB.RReexamination requested by third party requester
Dec 13, 2023RXOSUBReceipt of Original Ex Parte Reexam Request
Dec 13, 2023RXLITSRReexam Litigation Search Conducted
Dec 13, 2023RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Dec 13, 2023RXC/SRCertificate of Service
Dec 13, 2023RXC/SRCertificate of Service
Dec 13, 2023PRXRParalegal Reexam Review Complete
Dec 13, 2023BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2020-00122IPRInstitution Denied

Petitioner

Cisco Systems, Inc.

Petition Filed

Nov 5, 2019

Institution

May 15, 2020

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Jul 24, 2018
3.5-yr
Jan 24, 2022
Paid Jan 19, 2022
7.5-yr
Jan 24, 2026
Paid Jan 14, 2026
11.5-yr
Jan 24, 2030
Expiry
Oct 20, 2036

Entity Status

Small Entity

Expires

Oct 20, 2036 (10.6 yr remaining)

Assignments

2010201120122013201420152016FiledOFER AMRANIYOSSEF EHRLICHMANSHLOMO RUSCHINRAMOT AT TEL-AVIV UNIVERSITY LTD.
AssignmentReel/Frame: 043918/0941Recorded: Oct 23, 2017

From

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

To

RAMOT AT TEL-AVIV UNIVERSITY LTD.