Vivint LLC vs. Zinser, Duke

Explore the PTAB proceeding IPR2026-00375 filed by Vivint LLC on 2026-06-01. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00375

Filing Date

2026-06-01

Accorded Filing Date

2026-06-01

Institution Decision Date

2026-10-19

Last Modified Date

2026-10-19

Proceeding Type

IPR

Termination Date

2026-10-19

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Vivint LLC

Represented By

McPherson, Patricket al

Patent Owner / Respondent

Zinser, Duke

Represented By

SORDEN, GARYet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 11559808

Respondent Patent Number 7583191

External Links

Espacenet

Google Patents

Respondent Inventor Duke W. Zinser

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

1 Registered Practitioner

Power of Attorney & Correspondence

Firm / Entity Name Kirby Drake Law PLLC

Customer Number 178493

Address 2550 Pacific Avenue, Suite 700, Dallas, TX, 75226, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
55126	Kirby Drake	214-367-6010

Proceeding Documents

Director Discretionary Decision: Deny RESPONSE

2026-10-19 FILING PARTY: BOARD

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PET Opposition to Discretionary Denial Brief RESPONSE

2026-09-10 FILING PARTY: PETITIONER

Download

2001

Patent Owner Duke W. Zinser’s Request for Discretionary Denial of Petition for Inter Partes Review of U.S. Patent 7,583,191, dated May 19, 2026, filed in Vivint LLC v. Zinser, IPR2026-00300, Paper 6 (PTAB) Exhibit

2026-08-10 FILING PARTY: PATENT OWNER

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2004

Information Disclosure Statement by Applicant, dated June 9, 2016 Exhibit

2026-08-10 FILING PARTY: PATENT OWNER

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2014

Vivint LinkedIn Page, https://www.linkedin.com/company/vivint/about/ (last access August 7, 2026) Exhibit

2026-08-10 FILING PARTY: PATENT OWNER

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Vivint LLC vs. Zinser, Duke

Proceeding Overview

Parties & Counsel

Petitioner

Vivint LLC

Represented By

Patent Owner / Respondent

Zinser, Duke

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Director Discretionary Decision: Deny RESPONSE

PET Opposition to Discretionary Denial Brief RESPONSE

Patent Owner Duke W. Zinser’s Request for Discretionary Denial of Petition for Inter Partes Review of U.S. Patent 7,583,191, dated May 19, 2026, filed in Vivint LLC v. Zinser, IPR2026-00300, Paper 6 (PTAB) Exhibit

Information Disclosure Statement by Applicant, dated June 9, 2016 Exhibit

Vivint LinkedIn Page, https://www.linkedin.com/company/vivint/about/ (last access August 7, 2026) Exhibit

Petitioner’s Opposition to Patent Owner Duke W. Zinser’s Request for Discretionary Denial, dated June 19, 2026, filed in Vivint LLC v. Zinser, IPR2026-0300, Paper 8 (PTAB) Exhibit

Notice of Decisions on Institution, dated July 14, 2026, entered in Vivint LLC v. Zinser, IPR2026-0300, Paper 10 (PTAB) Exhibit

Order Setting Trial, dated June 9, 2023, entered in SB IP Holdings, LLC v. Vivint, Inc., No. 4:20-cv-886, Dkt. 374 (E.D. Tex.) Exhibit

FCC Radio Test Report for Vivint Outdoor Camera Pro (Gen 3), dated July 9, 2025 Exhibit

Amended Scheduling Order, dated December 1, 2020, entered in Wapp Tech Ltd. P’ship v. Seattle Spinco, Inc., No. 4:18-cv-00469-ALM, Dkt. 258 (E.D. Tex.) Exhibit

Information Disclosure Statement by Applicant, dated January 5, 2018 Exhibit

FCC DFS Test Report for Vivint Doorbell Camera Pro (Gen 2), dated September 27, 2022 Exhibit

Patent Owner Duke W. Zinser's Request for Discretionary Denial of Petition for Inter Partes Review of U.S. Patent 7,583,191 RESPONSE

Patent Scheduling Order, dated April 7, 2026, entered in Zinser v. Vivint, LLC, No. 4:25-cv-01030-ALM, Dkt. 21 (E.D. Tex.) Exhibit

2025 Form 10-K for NRG Energy, Inc. Exhibit

Respondents’ Disclosure of Invalidity Contentions, dated April 23, 2021, served in In the Matter of Certain IP Camera Systems Including Video Doorbells and Components Thereof, No. 337-TA-1242 (ITC) Exhibit

FCC Radio Test Report for Vivint Indoor Camera Pro, dated January 5, 2023 Exhibit

Tenth Amended Scheduling Order, dated July 14, 2020, entered in Innovation Sciences, LLC v. Resideo Techs. Inc., No. 4:18-cv-475, Dkt. 92 (E.D. Tex.) Exhibit

Defendants’ Preliminary Invalidity Contentions, dated May 11, 2026, served in Zinser v. Vivint, LLC, et al., No. 4:25-cv-1030-ALM (E.D. Tex.) Exhibit

Patent Owner’s Complaint for Patent Infringement, dated September 18, 2025, filed in Zinser v. Vivint, LLC, No. 4:25-cv-01030-ALM, Dkt. 1 (E.D. Tex.) Exhibit

Ex. B-8b, 10,200,660 Invalidity Chart to Respondents’ Disclosure of Invalidity Contentions, served in In the Matter of Certain IP Camera Systems Including Video Doorbells and Components Thereof, No. 337-TA-1242 (ITC) Exhibit

USPTO Reexam File for U.S. Patent No 7,583,191 Exhibit

Order, dated June 13, 2023, entered in MyPort, Inc. v. Samsung Elecs. Co., Ltd., No. 2:22-cv-00114-JRG, Dkt. 73 (E.D. Tex.) Exhibit

Information Disclosure Statement by Applicant, dated May 3, 2017 Exhibit

Email correspondence to G. Sorden, et al. from B. Greene re: Zinser v. Vivint (EDTX Case No. 4:25-cv-01030-ALM), dated June 18, 2026 Exhibit

Power of Attorney for Patent Owner Duke W. Zinser NOTICE

Patent Owner's Mandatory Notices Pursuant to 37 CFR § 42.8 NOTICE

Notice filing date accorded to Petition NOTICE

Request to expunge paper 2 Exhibit

EX-1006 U.S. Pat. No. 6,429,893 Exhibit

EX-1015 U.S. Patent No. 5,428,388 (“Von Bauer”) Exhibit

EX-1008 U.S. Patent Publication 2002/0147982 Exhibit

EX-1017 IPR2026-00375 Declaration of Petitioner’s Expert James Parker Exhibit

Notice: Power of Attorney NOTICE

EX-1009 Curriculum Vitae of James Parker Exhibit

EX-1014 U.S. Patent Application No. 2004/0080615 (“Klein”) Exhibit

EX-1007 U.S. Pat. No. 6,778,084 Exhibit

EX-1003 IPR2026-00300 Declaration of Petitioner’s Expert James Parker Exhibit

EX-1012 Excerpts of Plaintiff's Disclosure of Asserted Claims Exhibit

EX-1002 Prosecution History of the ’191 Patent (“File History”) Exhibit

EX-1011 Zinser v. Vivint, LLC, Complaint, 4:25-cv-1030 Exhibit

PETITIONER’S EXPLANATION OF MULTIPLE PETITIONS CHALLENGING 7,583,191 OTHER

EX-1013 PCT Publication No. WO 01/93220 (“Menard”) Exhibit

EX-1016 Letter from B. Greene to G. Sorden dated May 20, 2026 Exhibit

EX-1004 U.S. Patent Publication 2004/0086093 (“Schranz”) Exhibit

EX-1010 James Parker Patent Summary Exhibit

EX-1005 Re-Exam Prosecution History of the ’191 Patent Pt. 1 Exhibit

EX-1001 U.S. Patent No. 7,583,191 (“’191 Patent”) Exhibit

Petition: as filed PETITION

EX-1005 Re-Exam Prosecution History of the ’191 Patent Pt. 2 Exhibit