Zyxel Communications Corporation et al. vs. UNM Rainforest Innovations et al.

Explore the PTAB proceeding IPR2021-00734 filed by Zyxel Communications Corporation et al. on 2021-03-29. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2021-00734

Filing Date

2021-03-29

Accorded Filing Date

2021-03-29

Institution Decision Date

2021-10-01

Last Modified Date

2026-02-24

Proceeding Type

IPR

Termination Date

—

Trial Status

Trial Instituted

Parties & Counsel

Petitioner

Zyxel Communications Corporation et al.

Represented By

Detrixhe, Jonathanet al

Patent Owner / Respondent

UNM Rainforest Innovations et al.

Represented By

Kesan, Jayet 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 12168855

Respondent Patent Number 8265096

External Links

Espacenet

Google Patents

Respondent Inventor Yan-Xiu ZHENG et al

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

Address and Attorney/Agent Information

51 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name ALSTON & BIRD LLP - VANTAGE SOUTH END

Customer Number 826

Address 1120 SOUTH TRYON STREET, SUITE 300, CHARLOTTE, NC, 28203-6818, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
34141	Michael Connor	704-444-1022
34610	Guy Gosnell	704-444-1000
35704	George Taulbee	704-444-1000
37505	Joe Liebeschuetz	650-838-2038
38114	Jason Cooper	404--88-1-7000
38337	David Teske	404-881-7000
42365	Keith Broyles	404-881-7000
44316	Susan Sather	650-838-2069
44754	John Haynes	404-881-7000
46571	Kirk Bradley	704-444-1000
50813	Brian Ellsworth	704-444-1000
50857	Christopher Gegg	704-444-1000
50893	Bryan Skelton	919-862-2200
52421	S Pleune	704-444-1000
53305	Stephen Mcniff	404-881-7452
54762	M. Stevens	704-444-1025
55274	Dane Baltich	404-881-4381
55670	Brian Teague	704-444-1212
56487	Wesley Achey	404-881-4930
56672	Kirk Ekena	919-862-2200
56950	Christopher Douglas	704-444-1119
57126	Miranda Sooter	704-444-1000
57160	Thomas Davison	202-239-3933
58307	Ryan Koppelman	650-838-2000
61182	Hidetada Abe	213-576-1000
62156	Christopher Lightner	404-881-7882
62200	Jonathan Thomas	704-444-1446
63800	Jason Keith	919-862-2233
65942	Dana Zottola	650-838-2044
67052	Zachary Higbee	704-444-1000
67258	Stephen Schilling	919-862-2225
69023	Daniel O'Connor	404-881-7854
69589	Aden Draper	404-881-4834
70405	Stephanie Cristiano	704-444-1128
71055	Nicholas Tsui	404-881-4962
71108	Neal Mclaughlin	212-210-9436
71274	Bryan Rodriguez	214-922-3476
71676	Christopher Ziegler	704-444-1000
71819	Kwok Lee	212-210-9474
73781	Ying Zhang	510-508-8140
74675	Alison Davis	248-988-8363
75333	Tyler Espy	256-783-4562
76323	Carter Reeb	704-444-1441
78978	Casey Hickey	704-444-1268
79082	Nicholas Bell	801-358-2073
79551	Killian Steer	704-444-1078
79589	Akintunde Akinbola	404-881-7808
81777	Gregory Beirne	704-444-1410
82077	Douglas Digirolamo	919-862-2246
83354	Kristine Panner	704-444-1087
L1168	Yao Zhu	214-922-3451

Proceeding Documents

Order Denying Director Review of Final Written Decision MOTION

2025-12-15 FILING PARTY: BOARD

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Panel Change NOTICE

2025-08-06 FILING PARTY: BOARD

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3100

Exhibit 3100 Exhibit

2025-07-02 FILING PARTY: BOARD

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Order Granting Director Review, Vacating in Part Termination Order, and Remanding to the Patent Trial and Appeal Board for Further Proceedings DECISION

2025-07-02 FILING PARTY: BOARD

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TERMINATION Due to Settlement on Remand 35 U.S.C. 317; 37 C.F.R. 42.74 TERMINATE

2025-01-24 FILING PARTY: BOARD

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Zyxel Communications Corporation et al. vs. UNM Rainforest Innovations et al.

Proceeding Overview

Parties & Counsel

Petitioner

Zyxel Communications Corporation et al.

Represented By

Patent Owner / Respondent

UNM Rainforest Innovations et al.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Order Denying Director Review of Final Written Decision MOTION

Panel Change NOTICE

Exhibit 3100 Exhibit

Order Granting Director Review, Vacating in Part Termination Order, and Remanding to the Patent Trial and Appeal Board for Further Proceedings DECISION

TERMINATION Due to Settlement on Remand 35 U.S.C. 317; 37 C.F.R. 42.74 TERMINATE

Other: Fed Circuit mandate OTHER

Other: other court decision OTHER

Patent Owner's Notice of Cross-Appeal NOTICE

Petitioner ZyXEL Communication Corp.'s Notice of Appeal NOTICE

Final Written Decision: original Paper

Institution Decision: Joined Paper

Ex. 2012 - Assignment History for US 8,265,096 Exhibit

Patent Owner UNM Rainforest Innovations' Sur-Reply to Petitioner's Reply Paper

Petitioner ZyXEL Communications Corporation_s Reply to UNM Rainforest Innovations_ Preliminary Response Paper

ORDER Conduct of the Proceeding Paper

Petitioner ZyXEL Communications Corporation_s Second Updated Mandatory Notices Paper

Ex. 2005 Exhibit

Ex. 2004 Exhibit

Preliminary Response to Petition for Inter Partes Review of U.S. No. 8,265,096 B2 Claims 1-4 and 6-8 Paper

Ex. 2010 Exhibit

Ex. 2011 Exhibit

Ex. 2006 Exhibit

Ex. 2008 Exhibit

Ex. 2009 Exhibit

Ex. 2007 Exhibit

ORDER Conduct of the Proceeding ORDER

Patent Owner's Motion for Pro Hac Vice Admission of Henning Schmidt Paper

Declaration of Henning Schmidt in Support of Motion for Admission Pro Hac Vice Exhibit

Petitioner Zyxel Communications Corporation���s Reply in Support of its Motion for Joinder Under 35 U.S.C. �� 315(C), 37 C.F.R. �� 42.22, and 42.122(B) Paper

Petitioner Zyxel Communications Corporation���s Updated Mandatory Notices Paper

Patent Owner UNM Rainforest Innovations' Opposition to Petitioner's Motion for Joinder Paper

02-09-2021 D-Link Order, WDTX 6-20-cv-00143-ADA Exhibit

Ex. 2001 - 01-27-2021 ZyXel Order, WDTX 6-20-cv-00522-ADA Exhibit

Patent Owner's Mandatory Notices Paper

Patent Owner's Power of Attorney Paper

Notice of Accord Filing Date Paper

IEEE 802.16m System Requirements, IEEE 802.16m-07/002r4 (Oct. 19, 2007) Exhibit

Petitioner's Motion for Joinder under 35 U.S.C. Section 315(c), 37 C.F.R. Section 42.22, and 42.122(b) Paper

Excerpts from _096 Patent File History Exhibit

U.S. Pub. No. 2007/0155387 A1 (Li) Exhibit

Declaration of Sumit Roy, Ph.D Exhibit

Yasamin Mostofi, ICI Mitigation for Pilot-Aided OFDM Mobile Systems (IEEE, Vol. 4, No. 2, Mar. 2005) Exhibit

Petitioner Zyxel Communications Corporation Power of Attorney Paper

Scott McKeown, District Court Trial Dates Tend to Slip After PTAB Discretionary Denials, Patents Post Grant Exhibit

Canadian Patent Application No. 2 581 166 A1 (Wang) Exhibit

Five Criteria Statement for P802.16m PAR Proposal, IEEE 802.16-06/055r3 (Nov. 15, 2006) Exhibit

Sand Revolution II, LLC v. Continental Intermodal Group-Trucking LLC, Paper 24, IPR2019-01393 (PTAB June 16, 2020) Exhibit

US8265096 Exhibit

U.S. Pub. No. 2009/0067377 A1 (Talukdar) Exhibit

U.S. Pub. No. 2008/0095195 (Ahmadi) Exhibit

Excerpts from JEFFREY G. ANDREWS ET AL., FUNDAMENTALS OF WIMAX (2007) Exhibit

U.S. Provisional Application No. 60/956,031 (Talukdar Provisional) Exhibit

Claim Construction Order in STC.UNM v. Apple Inc., No. 1-20-cv-00351 (W.D. Tex. Apr. 9, 2020), ECF No. 69 (Markman Order) Exhibit

WIPO Handbook on Industrial Property Information and Documentation, Examples and Kinds of Patent Documents (May 2016) Exhibit

U.S. Patent No. 7,460,466 B2 (Lee) Exhibit

U.S. Pub. No. 2004/0037215 A1 (Hwang) Exhibit

Fixed, nomadic, portable and mobile applications for 802.16-2004 and 802.16e WiMAX networks (November 2005) Exhibit

Petition for Inter Partes Review of U.S. Patent No. 8,265,096 B2 Paper

U.S. Patent No. 7,710,910 B2 (Ode) Exhibit

Mohammad Azizul Hasan, Performance Evaluation of WiMAX/IEEE 802.16 OFDM Physical Layer (June 2007) Exhibit

Excerpts from William Stallings, WIRELESS COMMUNICATIONS AND NETWORKS (2D ED. 2005) Exhibit

U.S. Provisional App. No. 60/929,798 Exhibit

IEEE 802.16m System Requirements, IEEE 802.16m-07/002r4 (Jan. 12, 2007) Exhibit

Listing of Challenged _096 Patent Claims Exhibit

Fourteenth Supplemental Order Regarding Court Operations Under Exigent Circumstances Created by the Covid 19 Pandemic (W.D. Tex. Mar. 17, 2020) Exhibit

Petitioner Zyxel Communications Corporation��s Reply in Support of its Motion for Joinder Under 35 U.S.C. �� 315(C), 37 C.F.R. �� 42.22, and 42.122(B) Paper

Petitioner Zyxel Communications Corporation��s Updated Mandatory Notices Paper