Target Corporation v. HEADWATER RESEARCH LLC - IPR2026-00153

Petitioner's Opposition to Patent Owner's Discretionary Denial Brief

Headwater Assignments

Continuity data for ’780 application

US8340634

Headwater Cases Search

Samsung v. Headwater, IPR2024-00010, Paper 2, Petition for Inter Partes Review (Nov. 17, 2023)

Samsung v. Headwater, IPR2024-00010, Paper 7, Institution Decision (May 23, 2024)

Samsung v. Headwater, IPR2024-00010, Paper 24 (transcript of hearing held Mar. 5, 2025)

Samsung v. Headwater, IPR2024-00010, Paper 25, Joint Motion to Terminate (May 8, 2025)

Samsung v. Headwater, Paper 27, Termination Order (May 13, 2025)

Samsung v. Headwater, IPR2024-00341, Paper 4, Petition for Inter Partes Review (Jan. 23, 2024)

Samsung v. Headwater, IPR2024-00341, Paper 12, Institution Decision (July 26, 2024)

Samsung v. Headwater, IPR2024-00341, Paper 28, Final Written Decision (July 23, 2025)

Google v. Headwater, IPR2024-00942, -943, Paper 20, Final Written Decision (Oct. 1, 2025)

Verizon v. Headwater, IPR2024-00809, Paper 21, Final Written Decision (Oct. 14, 2025)

Headwater v. Samsung, No. 2:23-cv-00103, Dkt. 434 (E.D. Tex. Apr. 29, 2025) (joint motion to dismiss ’192 patent)

Headwater v. Google, No. 7:25-cv-00231, Dkt. 83 (W.D. Tex. Feb. 18, 2026)

U.S. 8,589,541

U.S. 9,198,042

U.S. 8,406,733

Headwater v. Walmart, No. 2:25-cv-00961, Dkt. 8, Consolidation Order (Oct. 23, 2025)

File History of U.S. 10,321,320

cpc-definition-H04W

MMS Architecture - Wikipedia

PTAB Institutions Search

Samsung v. Headwater, IPR2024-00341, Paper 33 (Nov. 20, 2025) (Notice of Appeal)

IPRs Regarding Headwater Patents Currently Asserted in Litigation

Amazon v. Headwater, No. 7:25-cv-00286, Dkt. 35 (W.D. Tex. Dec. 23, 2025) (motion to stay)

Amazon v. Headwater, No. 7:25-cv-00286, Dkt. 29 (W.D. Tex. Nov. 11, 2025) (scheduling order)

Federal Court Management Statistics

Amazon v. Headwater, No. 7:25-cv-00286, Dkt. 39 (W.D. Tex. Jan. 13, 2026) (Reply in support of motion to stay)

Headwater v. Walmart, No. 2:25-cv-009610-JRG-RSP, Dkt. 91 (E.D. Tex. Jan. 6, 2026) (Second Amended Docket Control Order)

Headwater Research v. Google LLC, MO:25-cv-003231-DCDTG (W.D. Tex. Feb. 20, 2026) (Order Cancelling Markman Hearing)

PATENT OWNER’S REQUEST FOR DISCRETIONARY DENIAL OF INSTITUTION

Ex. 2001 - Notice of Partial Settlement in Headwater Research LLC v. Amazon.com Services LLC et al., No. 7:25-cv-00286-ADA (W.D. Tex. Nov. 10, 2025)

Ex. 2002 - Joint Motion to Dismiss in Headwater Research, LLC v. Apple, Inc., No. 7:25-cv-00371-ADA (W.D. Tex.)

Ex. 2003 - Joint Motion to Dismiss in Headwater Research LLC v. Samsung Electronics Co., Ltd. et al., No. 2:23-cv-103-JRG-RSP (E.D. Tex. Sept. 11, 2025)

Ex. 2004 - Order Granting Joint Motion to Dismiss in Headwater Research LLC v. T-Mobile USA, Inc. et al., Nos. 2:23-cv-379-JRG-RSP and 2:23-cv- 377-JRG-RSP (E.D. Tex. Nov. 13, 2025)

Ex. 2005 - Order Granting Joint Motion to Dismiss in Headwater Research LLC v. AT&T Services, Inc. et al., No. 2:23-cv-00397-JRG-RSP (E.D. Tex. Nov. 13, 2025)

Ex. 2006 - Target’s Motion to Stay in Headwater Research LLC v. Target Corporation, No. 2:25-cv-00963-JRG RSP (E.D. Tex.)

Ex. 2007 - Scheduling Order in Headwater Research LLC v. Google LLC, Case 7:25-CV-00231-DC-DTG (E.D. Tex.)

Ex. 2008 - Google’s Preliminary Invalidity Contentions in Headwater Research LLC v. Google LLC, Case 7:25-CV-00231-DC-DTG (E.D. Tex.)

Ex. 2009 - Google’s Opening Claim Construction Brief in Headwater Research LLC v. Google LLC, Case 7:25-CV-00231-DC-DTG (E.D. Tex.)

Notice: Power of Attorney

Notice: Mandatory Notice

Petitioner's Updated Exhibit List

Stipulation Letter dated January 2, 2026

Notice: Notice filing date accorded

U.S. Patent No. 10,321,320

File History of the ’320 patent

Declaration and Curriculum Vitae of Dr. Patrick Traynor

TS-23.140

U.S. Patent Pub. No. 2006/0190720 to Ozaki et al.

WO 2008/048075 to Lee et al.

WO 2006/077283 to Houghton et al.

U.S. Patent Pub. No. 2009/0158397 to Herzog et al.

U.S. Patent No. 7,925,717 to Chou et al.

Open Mobile Alliance; Multimedia Messaging Service Architecture Overview

Open Mobile Alliance; OMA-ERELD-MMS-v1_2-20030923-C

U.S. Patent No. 7,509,487 to Lu et al.

Technical Specification Group Services and System Aspects Meeting #19

U.S. Patent Pub. No. 2005/0207379 to Shen et al.

Declaration of Friedhelm Rodermund

U.S. Patent Pub. No. 2009/0240807 to Munson et al.

EP Patent Application EP1853044 to Shenfield

U.S. Patent No. 7,082,615 to Ellison et al.

U.S. Patent Pub. No. 2008/0162637 to Adamczyk et al.

Dismissal with Prejudice Case No. 2:23-cv-00103

Claim Construction Order, Case No. 2:23-cv-00103

Gang Lu, et al., Heading for Multimedia Message Ser-vice in 3G

RFC 4355, IANA Registration for Enumservices Email, Fax, MMS, EMS, and SMS

Friedhelm Rodermund, A Picture Speaks a Thousand Words

IETF RFC 793, Transmission Control Protocol (Sept. 1981)

The TLS Protocol Version v 1.0 (Jan. 1999) Part 1 of 2

The TLS Protocol Version v 1.0 (Jan. 1999) Part 2 of 2

Complaint for Patent Infringement, Case No. 2:23-cv-00103

Needham, Using Encryption for Authentication in Large Networks of Computers

Schroeder, A Hardware Architecture for Implementing Protection Rings ACM

Saltzer, The Protection of Information in Computer Systems IEEE Proceedings

Li et al., Symbian OS platform security model, in Login Magazine

Zimmermann, Pretty Good Privacy: RSA Public Key Cryptography for the Masses

Ramsdell, S/MIME Version 3 Message Specification, IETF RFC 2633

Mostafa, Transporting data between wireless applications using a messaging

U.S. Patent Pub. No. 2008/0243999 to Pazhyannur et al.

U.S. Patent Pub. No. 2008/0215883 to Fok et al.

U.S. Patent Pub. No. 2003/0126282 to Sarkar et al.

U.S. Patent Pub. No. 2007/0037610 to Logan

U.S. Patent Pub. No. 2005/0091380 to Gonen et al.

U.S. Patent Pub. No. 2004/0258063 to Raith et al.

U.S. Patent Pub. No. 2004/0085894 to Wang et al.

U.S. Patent No. 6,094,424 to Kalmanek et al.

Higginson, Platform Security Concepts

U.S. Patent Pub. No. 2003/0193967 to Fenton et al.

U.S. Patent Pub. No. 2004/0111476 to Trossen et al.

U.S. Patent Pub. No. 2005/0282531 to Andreasson et al.

U.S. Patent No. 9,615,192 to Raleigh

Notice: Power of Attorney

Motion: Joinder

Petition: as filed