Cisco Systems, Inc. vs. OptimNet LLC

Explore the PTAB proceeding IPR2026-00321 filed by Cisco Systems, Inc. on 2026-03-30. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00321

Filing Date

2026-03-30

Accorded Filing Date

2026-03-30

Institution Decision Date

2026-07-28

Last Modified Date

2026-10-15

Proceeding Type

IPR

Termination Date

2026-07-28

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Cisco Systems, Inc.

Represented By

Powers, Josephet al

Patent Owner / Respondent

OptimNet LLC

Represented By

MILKEY, JAMESet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 13645090

Respondent Patent Number 9313101

External Links

Espacenet

Google Patents

Respondent Inventor SANG WAN KIM et al

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

4 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Paratus Law Group, PLLC

Customer Number 145742

Address 1765 Greensboro Station Place, Suite 320, Tysons Corner, VA, 22102, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
52432	Lenny Jiang	571-313-7568
61446	Travis Ribar	202-293-7060
65378	Philip Johnson	571-313-7556
72721	Steve Lam	571-313-7556

Proceeding Documents

Notice: refund approved NOTICE

2026-10-15 FILING PARTY: BOARD

Download

Petitioner's Request for Refund of Post-Institution Fees OTHER

2026-10-14 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2026-07-28 FILING PARTY: BOARD

Download

2007

Exhibit 2007 - Eslamimehr Declaration Exhibit

2026-07-02 FILING PARTY: PATENT OWNER

Download

2006

Exhibit 2006 - U.S. Patent No. 9,313,101 File History Exhibit

2026-07-02 FILING PARTY: PATENT OWNER

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Cisco Systems, Inc. vs. OptimNet LLC

Proceeding Overview

Parties & Counsel

Petitioner

Cisco Systems, Inc.

Represented By

Patent Owner / Respondent

OptimNet LLC

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Petitioner's Request for Refund of Post-Institution Fees OTHER

Director Discretionary Decision: Deny RESPONSE

Exhibit 2007 - Eslamimehr Declaration Exhibit

Exhibit 2006 - U.S. Patent No. 9,313,101 File History Exhibit

Patent Owner’s Preliminary Response POPR

Exhibit 2008 - Eslamimehr CV Exhibit

Exhibit 1018 Stipulation Email Exhibit

Petitioner's Opposition to PO's Request for Discretionary Denial RESPONSE

Exhibit 2005 Exhibit

Exhibit 2001 Exhibit

PATENT OWNER'S REQUEST FOR DISCRETIONARY DENIAL OF INSTITUTION RESPONSE

Exhibit 2004 Exhibit

Exhibit 2003 Exhibit

Exhibit 2002 Exhibit

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice filing date accorded NOTICE

Petition: as filed PETITION

EX-1015 Configuration Guidelines for DiffServ Service Classes Exhibit

EX-1013 Network Time Protocol Version 4: Protocol and Algorithms Spec Exhibit

EX-1004 U.S. Pat. App. No. 2013/0231081 (“Mo”) Exhibit

EX-1011 Terminology for Policy-Based Management Exhibit

EX-1006 TS29212 Exhibit

EX-1014 JP 2002-374294 (Certified English translation) Exhibit

EX-1017 U.S. Patent No. 6,167,445 (“Gai”) Exhibit

EX-1010 COPS Usage for Policy Provisioning (COPS-PR) Exhibit

EX-1016 U.S. Pat. App. No. 2011/0225280 (“Delsesto”) Exhibit

EX-1012 Time-Based Access Lists Using Time Ranges Exhibit

EX-1009 The COPS (Common Open Policy Service) Protocol Exhibit

EX-1002 Prosecution History of the ’101 Patent (“File History”) Exhibit

Notice: Power of Attorney NOTICE

EX-1007 TS123203 Exhibit

EX-1001 U.S. Patent No. 9,313,101 (“’101 Patent”) Exhibit

EX-1005 Certified English Translation of WO 2010/094188 (“Peng”) Exhibit

EX-1008 A Framework for Policy-based Admission Control Exhibit

EX-1003 Declaration Crovella '101 Patent Exhibit