Apple Inc. et al. v. HEADWATER RESEARCH LLC - IPR2025-01571

Explore the PTAB proceeding IPR2025-01571 filed by Apple Inc. et al. against HEADWATER RESEARCH LLC on Oct 14, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2025-01571
Filing Date
Oct 14, 2025
Petitioner
Apple Inc. et al.
Respondent
HEADWATER RESEARCH LLC
Status
Preliminary response waived
Respondent Application Number
13705055
Respondent Tech Center
3600
Respondent Patent Number
8667571

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Proceeding Documents

The table below shows documents filed in the case, listing each document name, filing date, document type, and filing party. Tracking these filings indicates the activity of the parties involved in the case, and the types of documents filed can provide insights into the legal strategies being employed.

Document NameFiling DateCategoryFiling Party

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EX1052 - Headwater Rsch. LLC v. Apple Inc., No. 7:25-cv-00318, Dkt. 1 (W.D. Tex. July 17, 2025) (complaint)

Jan 22, 2026EXHIBITPETITIONER

EX1053 - Headwater Rsch. LLC v. Apple Inc., No. 7:25-cv-00318, Dkt. 28 (W.D. Tex. Oct. 31, 2025) (order granting joint motion to dismiss)

Jan 22, 2026EXHIBITPETITIONER

EX1054 - Headwater Rsch. LLC v. Amazon.com Services LLC, No. 2:25-cv- 00897, Dkt. 1 (E.D. Tex. Aug. 27, 2025)

Jan 22, 2026EXHIBITPETITIONER

EX1055 - Headwater Rsch. LLC v. Walmart Inc., No. 2:25-cv-00961, Dkt. 8 (E.D. Tex. Oct. 23, 2025) (Consolidation Order)

Jan 22, 2026EXHIBITPETITIONER

EX1056 - Headwater Rsch. LLC v. Walmart Inc., No. 2:25-cv-00961, Dkt. 86 (Dec. 23, 2025) (Amazon’s Motion to Stay)

Jan 22, 2026EXHIBITPETITIONER

EX1057 - Headwater Rsch. LLC v. Walmart Inc., No. 2:25-cv-00961, Dkt. 91 (Jan. 6, 2026) (Second Amended Docket Control Order)

Jan 22, 2026EXHIBITPETITIONER

EX1058 - PTAB Institutions Search: “Headwater”

Jan 22, 2026EXHIBITPETITIONER

EX1059 - Google LLC v. Headwater Rsch. LLC, IPR2024-00942, IPR2024- 00943, Paper 20 (Oct. 1, 2025) (FWD)

Jan 22, 2026EXHIBITPETITIONER

EX1060 - Cellco P’ship d/b/a Verizon Wireless v. Headwater Partners I LLC, IPR2024-00809, Paper 21 (Oct. 14, 2025) (FWD)

Jan 22, 2026EXHIBITPETITIONER

EX1061 - Samsung Elecs. Co. v. Headwater Rsch. LLC, IPR2024-00341, Paper 28 (July 23, 2025) (FWD)

Jan 22, 2026EXHIBITPETITIONER

EX1062 - Samsung Elecs. Co. v. Headwater Rsch. LLC, IPR2024-00341, Paper 32 (Sept. 19, 2025) (Denying Director Review)

Jan 22, 2026EXHIBITPETITIONER

EX1063 - Samsung Elecs. Co. v. Headwater Rsch. LLC, IPR2024-00341, Paper 33 (Nov. 20, 2025) (Notice of Appeal)

Jan 22, 2026EXHIBITPETITIONER

EX1064 - US 8,589,541

Jan 22, 2026EXHIBITPETITIONER

EX1065 - US 9,198,042

Jan 22, 2026EXHIBITPETITIONER

EX1066 - US 8,406,733

Jan 22, 2026EXHIBITPETITIONER

EX1067 - Redline Comparison of Patent Center Text Specification of U.S. Pat No. 8,406,733 and Patent Center Text Specification of U.S. Pat. No. 8,667,571

Jan 22, 2026EXHIBITPETITIONER

EX1068 - Headwater litigations

Jan 22, 2026EXHIBITPETITIONER

EX1069 - IPRs Regarding Patents in Active Litigation

Jan 22, 2026EXHIBITPETITIONER

EX1070 - Continuity data for ’571 patent parent application_USPTO

Jan 22, 2026EXHIBITPETITIONER

EX1071 - Headwater Rsch. LLC v. Walmart Inc., No. 2-25-cv-00961, Dkt. 62 (E.D. Tex. Dec. 5, 2025)

Jan 22, 2026EXHIBITPETITIONER

EX1072 - Headwater Rsch. LLC v. Walmart Inc., No. 2-25-cv-00961, Dkt. 67 (E.D. Tex. Dec. 10, 2025)

Jan 22, 2026EXHIBITPETITIONER

EX1073 - Federal Court Management Statistics

Jan 22, 2026EXHIBITPETITIONER

EX1074 - Email to Counsel Dated December 2, 2025

Jan 22, 2026EXHIBITPETITIONER

EX1075 - Headwater Rsch. LLC v. Amazon.com Services LLC, No. 7:25-cv- 00286, Dkt. 1 (W.D. Tex. June 20, 2025)

Jan 22, 2026EXHIBITPETITIONER

EX1076 - USPTO Assignment Records

Jan 22, 2026EXHIBITPETITIONER

EX1077 - US 8,340,634

Jan 22, 2026EXHIBITPETITIONER

Petitioners' Opposition to Patent Owner's Request for Discretionary Denial

Jan 22, 2026PAPERPETITIONER

Order: Dismissal as to Petitioner Apple Inc. Prior to Institution of Trial 35 U.S.C. sec. 314

Jan 13, 2026PAPERBOARD

Email Correspondence

Dec 30, 2025EXHIBITBOARD

PATENT OWNER’S REQUEST FOR DISCRETIONARY DENIAL OF INSTITUTION

Dec 23, 2025PAPERPATENT OWNER

Exhibit 2001

Dec 23, 2025EXHIBITPATENT OWNER

Exhibit 2002

Dec 23, 2025EXHIBITPATENT OWNER

Exhibit 2003

Dec 23, 2025EXHIBITPATENT OWNER

Exhibit 2004

Dec 23, 2025EXHIBITPATENT OWNER

Notice: Power of Attorney

Dec 22, 2025PAPERPATENT OWNER

Notice: Mandatory Notice

Dec 22, 2025PAPERPATENT OWNER

Petitioners' Updated Exhibit List

Dec 2, 2025PAPERPETITIONER

EX1051 - Stipulation Letter

Dec 2, 2025EXHIBITPETITIONER

Motion to Dismiss Co-Petitioner Apple Inc.

Nov 10, 2025PAPERPETITIONER

EX1050-Order Granting Joint Motion to Dismiss

Nov 10, 2025EXHIBITPETITIONER

NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE

Oct 22, 2025PAPERBOARD

EX1005-U.S. Patent Application Publication No. US2007/0185975 to Cunningham

Oct 14, 2025EXHIBITPETITIONER

EX1007-International Publication No. WO2008/060300 to Han et al.

Oct 14, 2025EXHIBITPETITIONER

EX1008-U.S. Patent No. 7,975,147 to Qumei

Oct 14, 2025EXHIBITPETITIONER

EX1009-Leiner et al. ISOC History of the Internet. 1997

Oct 14, 2025EXHIBITPETITIONER

EX1011-U.S. Patent Application Publication No. US2006/0143701 to Dos Santos

Oct 14, 2025EXHIBITPETITIONER

EX1013-Lehman

Oct 14, 2025EXHIBITPETITIONER

EX1016-U.S. Patent No. 8,429,081 to Dronamraju et al.

Oct 14, 2025EXHIBITPETITIONER

EX1018-TS-23.140

Oct 14, 2025EXHIBITPETITIONER

EX1019-U.S. Patent No. 5,625,877 to Dunn et al.

Oct 14, 2025EXHIBITPETITIONER

EX1020-U.S. Patent Application Publication No. US2008/0194233 to Henry

Oct 14, 2025EXHIBITPETITIONER

EX1021-NIST

Oct 14, 2025EXHIBITPETITIONER

EX1022-Traffic

Oct 14, 2025EXHIBITPETITIONER

EX1023-Holly Lynne McKinley. SSL and TLS: A Beginners’ Guide. 2003

Oct 14, 2025EXHIBITPETITIONER

EX1024-Robert Richards. Pro PHP XML and Web Services. 2006

Oct 14, 2025EXHIBITPETITIONER

EX1025-U.S. Patent Application Publication No. US2007/0165622 to O’Rourke

Oct 14, 2025EXHIBITPETITIONER

EX1027-U.S Patent Application Publication No. US2008/0072035 to Johnson

Oct 14, 2025EXHIBITPETITIONER

EX1029-U.S. Patent No. 7,120,429 to Minear et al.

Oct 14, 2025EXHIBITPETITIONER

EX1030-Frei et al. “Large-Scale Vulnerability Analysis.” September 2006.

Oct 14, 2025EXHIBITPETITIONER

EX1032-RFC

Oct 14, 2025EXHIBITPETITIONER

EX1033-International Publication No. WO2007/059628 to Grigoriev et al.

Oct 14, 2025EXHIBITPETITIONER

EX1036-Free Samples

Oct 14, 2025EXHIBITPETITIONER

EX1039-U.S. Patent Application Publication No. US2010/0088235 to Chatfield

Oct 14, 2025EXHIBITPETITIONER

EX1040-Downing et al. Barron’s Dictionary of Computer and Internet Terms.

Oct 14, 2025EXHIBITPETITIONER

EX1041-Gateway. PC Basics – Get a Great Start. 2002

Oct 14, 2025EXHIBITPETITIONER

EX1042-U.S. Patent Application Publication No. US2005/0198257 to Gupta

Oct 14, 2025EXHIBITPETITIONER

EX1043-U.S. Patent No. 8,037,295 to Lin

Oct 14, 2025EXHIBITPETITIONER

EX1045-U.S. Patent No. 7,702,107 to Messing

Oct 14, 2025EXHIBITPETITIONER

EX1046-Mackie-Mason et al. “Some Economics of the Internet.” February 1994.

Oct 14, 2025EXHIBITPETITIONER

EX1047-Microsoft Server 2003 Datasheet

Oct 14, 2025EXHIBITPETITIONER

EX1048-Microsoft Server 2008 Datasheet

Oct 14, 2025EXHIBITPETITIONER

EX1049-Borland

Oct 14, 2025EXHIBITPETITIONER

EX1001-U.S. Patent No. 8,667,571

Oct 14, 2025EXHIBITPETITIONER

EX1004-U.S. Patent No. 8,555,273 to Chia et al.

Oct 14, 2025EXHIBITPETITIONER

EX1006-International Publication No. WO2005/094011 to Clontz et al.

Oct 14, 2025EXHIBITPETITIONER

EX1010-U.S. Patent Application Publication No. US2008/0316963 to Huang

Oct 14, 2025EXHIBITPETITIONER

EX1012-U.S. Patent Application Publication No. US2003/0120822 to Langrind

Oct 14, 2025EXHIBITPETITIONER

EX1014-Harold

Oct 14, 2025EXHIBITPETITIONER

EX1015-U.S. Patent No. 7,627,532 to Randle et al.

Oct 14, 2025EXHIBITPETITIONER

EX1017-U.S. Patent Application Publication No. US2008/0008116 to Buga et al

Oct 14, 2025EXHIBITPETITIONER

EX1026-U.S. Patent Application Publication No. US2007/0033273 to White

Oct 14, 2025EXHIBITPETITIONER

EX1028-U.S. Patent Application Publication No. US2006/0098678 to Tan

Oct 14, 2025EXHIBITPETITIONER

EX1031-U.S. Patent Application Publication No. US2008/0288599 to Kutchmark

Oct 14, 2025EXHIBITPETITIONER

EX1034-Rob Mattison. The Telco Revenue Assurance Handbook. 2005.

Oct 14, 2025EXHIBITPETITIONER

EX1035-U.S. Patent Application Publication No. US2001/0027449 to Wright

Oct 14, 2025EXHIBITPETITIONER

EX1038-U.S. Patent No. 6,651,117 to Wilson et al.

Oct 14, 2025EXHIBITPETITIONER

EX1002-File History of U.S. Patent No. 8,667,571

Oct 14, 2025EXHIBITPETITIONER

EX1037-U.S. Patent No. 6,763,479 to Herbet

Oct 14, 2025EXHIBITPETITIONER

EX1044-U.S. Patent Application Publication No. US2006/0274743 to Yegin

Oct 14, 2025EXHIBITPETITIONER

Petition for Inter Partes Review of U.S. Patent No. 8,667,571

Oct 14, 2025PAPERPETITIONER

Petitioner Apple Power of Attorney

Oct 14, 2025PAPERPETITIONER

Petitioner Amazon Power of Attorney

Oct 14, 2025PAPERPETITIONER

EX1003-Declaration of Dr Charles Creusere

Oct 14, 2025EXHIBITPETITIONER