Ciena Corporation vs. K.Mizra LLC

Explore the PTAB proceeding IPR2025-01362 filed by Ciena Corporation on 2025-08-31. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01362

Filing Date

2025-08-31

Accorded Filing Date

2025-08-31

Institution Decision Date

2026-01-09

Last Modified Date

2026-07-28

Proceeding Type

IPR

Termination Date

2026-01-09

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Ciena Corporation

Represented By

Baird, Johnet al

Patent Owner / Respondent

K.Mizra LLC

Represented By

Wells, Crawfordet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2400 - Computer Networks, Multiplex & Cybersecurity

Patent Information

1 Patent Involved

Respondent Application Number 10742573

Respondent Patent Number 8782282

External Links

Espacenet

Google Patents

Respondent Inventor Eileen Zhou et al

Respondent Tech Center TC 2400 - Computer Networks, Multiplex & Cybersecurity

Address and Attorney/Agent Information

9 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name KINNEY & LANGE, P.A.

Customer Number 164

Address 333 S. 7TH ST., SUITE 2700, MINNEAPOLIS, MN, 55402-2438, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
26047	David Fairbairn	612-337-9357
34711	George Romanik	612-337-9341
43724	Alan Koenck	612-337-9360
67273	Boyd Black	612-337-7216
68920	Nicholas Peterka	612-339-1863
74067	Erik Wright	612-337-7245
78107	Andrew Swanson	612-339-1863
81335	John Leighton	763-337-9355
82324	Thea Reilkoff	612-337-7207

Proceeding Documents

Notice of Refund NOTICE

2026-07-28 FILING PARTY: BOARD

Download

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

2026-07-06 FILING PARTY: PETITIONER

Download

Order Denying Director Review of Institution Decision REHEARING

2026-03-03 FILING PARTY: BOARD

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Authorized Response to Director Review Request OTHER

2026-02-17 FILING PARTY: PATENT OWNER

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Petitioner’s Request for Director Review of the Notice of Discretionary Denial REQUEST

2026-02-09 FILING PARTY: PETITIONER

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Ciena Corporation vs. K.Mizra LLC

Proceeding Overview

Parties & Counsel

Petitioner

Ciena Corporation

Represented By

Patent Owner / Respondent

K.Mizra LLC

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice of Refund NOTICE

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

Order Denying Director Review of Institution Decision REHEARING

Authorized Response to Director Review Request OTHER

Petitioner’s Request for Director Review of the Notice of Discretionary Denial REQUEST

Exhibit 3100 Exhibit

Director Discretionary Decision: Deny RESPONSE

EX-1019 Excerpts of transcript, Oral Argument on Motions to Dismiss, K.Mizra LLC v. Ciena Corp., Case No. 1-24-cv-05442 (N.D. Ga), Dkt. 63 (Nov. 10, 2025) (1) Exhibit

EX-1021 Lawsuits brought by K.Mizra LLC, pulled from Docket Navigator (docketnavigator.com) Dec. 10, 2025 Exhibit

EX-1016 Complaint, K.Mizra LLC v. Ciena Corp., Case No. 1-24-cv-05442 (N.D. Ga), Dkt. 1 (Nov. 25, 2024) Exhibit

Petitioner’s Opposition to Patent Owner’s Request for Discretionary Denial of Institution RESPONSE

EX-1018 Standing Order Regarding Civil Litigation, K.Mizra LLC v. Ciena Corp., Case No. 1-24-cv-05442 (N.D. Ga), Dkt. 6 (Nov. 27, 2024) Exhibit

EX-1022 Proceedings Involving the '282 Patent Exhibit

EX-1023 Internet Archive, Blue Planet, Multi-Domain Service Orchestration, Oct. 17, 2015 archive Exhibit

EX-1015 NDGA Trial Statistics – U.S. District Court - Judicial Caseload Profile (June 2025), for the Northern District of Georgia Exhibit

EX-1020 K.Mizra’s Opp. to Ciena’s Motion to Dismiss for Failure to State a Claim Exhibit

EX-1017 Docket Sheet, K.Mizra LLC v. Ciena Corp., Case No. 1-24-cv-05442 (N.D. Ga), retrieved Dec. 9, 2025 Exhibit

Patent Owner's Preliminary Response POPR

Ex. 2009 - 2025-11-06 Printout of Patent Maintenance Fees of US8782282 Exhibit

Ex. 2003 - First Amended Complaint Exhibit

Ex. 2005 - Hausman Declaration Exhibit

Ex. 2001 - USPTO’s February 28, 2025 bulletin Exhibit

Ex. 2012 USPTO Reexam Statistics 2024-2025 Exhibit

Ex. 2007 - Reexam Ordered Exhibit

Ex. 2011 - NDGA Excerpted - Judicial Caseload Profile Exhibit

Ex. 2006 - Unified Patents Ex Parte Re-examination Request Exhibit

Ex. 2002 - APJ Boalick’s March 24, 2025 Memorandum Exhibit

Ex. 2010 - FAQs for Interim Processes for PTAB Workload Management _ USPTO Exhibit

Ex. 2004 - Oct. 21, 2025 Hearing Transcript Exhibit

2025-11-12 Patent Owner's Discretionary Denial Brief RESPONSE

Ex. 2008 - March 26, 2025 Stewart Memorandum Exhibit

Notice: Notice filing date accorded NOTICE

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Petition PETITION

EX-1013 U.S. Patent 6,260,062 (“Davis”) Exhibit

EX-1012 U.S. Patent Pub. No. 2004/0008717 (“Verma”) Exhibit

EX-1006 WIPO Publication WO 00/08823 (“Keene”) Exhibit

EX-1014 U.S. Patent Pub. No. 2003/0120502 (“Robb”) Exhibit

EX-1009 U.S. Patent No. 5,742,762 (“Scholl”) Exhibit

Notice: Power of Attorney NOTICE

EX-1008 U.S. Patent No. 6,718,377 (“Bischoff") Exhibit

EX-1004 U.S. Patent No. 7,209,968 (“Secer”) Exhibit

EX-1001 U.S. Patent 8,782,282 (“the ’282 Patent”) Exhibit

EX-1002 Prosecution History for U.S. Patent 8,782,282 Exhibit

EX-1005 U.S. Patent Pub. No. 2003/017411 (“Dinker”) Exhibit

EX1003 - Expert Declaration Dr. Schmidt '282 Patent Exhibit

EX-1007 U.S. Patent Pub. No. 2003/0028654 (“Abjanic") Exhibit

EX-1011 U.S. Patent No. 6,470,394 (“Bamforth”) Exhibit

EX-1010 U.S. Patent No. 7,043,525 (“Tuttle”) Exhibit