Patent 10321320

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

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PTAB activity (2)

AIA trial proceedings — IPR, PGR, CBM — filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced directly from the PTAB Trial API.

1 active
  • IPR2026-00153IPRfiled Nov 25, 2025vs. Target CorporationDiscretionary Denial
  • IPR2026-00106IPRfiled Nov 10, 2025vs. Amazon.com Services LLC et al.Trial Instituted

Cached for 24 hours. Status strings are sourced verbatim from the PTAB API; the colored badge is our heuristic classification.

Cases on file (9)

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Specific litigation cases in our database that name US patent 10321320. The free-form analysis below may also discuss cases beyond this list.

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

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The search results provide a good amount of information, primarily from PacerMonitor and Unified Patents Portal. Let's process them one by one, focusing on US10321320.

Litigation Involving US Patent 10321320:

Here's a list of known litigation cases involving US patent 10321320, based on the provided search results:

  1. Case: Headwater Research LLC v. Google LLC

    • Jurisdiction: Texas Western District Court (initially), transferred to California Northern District Court
    • Case Number: 7:25-cv-00231 (W.D. Texas), became 5:26-cv-01460 (N.D. California)
    • Filing Date: May 16, 2025 (W.D. Texas)
    • Outcome/Current Status: Settled/Dismissed on February 23, 2026, following the cancellation of a Markman hearing. This indicates a confidential settlement or negotiated license resolution. The case was transferred to the Northern District of California as 5:26-cv-01460, and filings in that case indicate the transfer happened around February 26, 2026.

  2. Case: Headwater Research LLC v. Amazon.com, Inc. et al.

    • Jurisdiction: Texas Western District Court
    • Case Number: 7:25-cv-00286
    • Filing Date: June 20, 2025
    • Outcome/Current Status: Active, with a scheduling order issued on March 11, 2026. A notice of partial settlement as to claims and liability associated with [Apple Inc.](/litigations/by-plaintiff/Apple%20Inc.) products and services was filed on November 10, 2025.

  3. Case: Headwater Research LLC v. Uber Technologies, Inc. et al.

    • Jurisdiction: Eastern District of Texas
    • Case Number: 2:25-cv-00962
    • Filing Date: Not explicitly stated in the provided snippets, but referenced as a "member case" consolidated with 2:25-cv-00961. The lead case was filed on September 18, 2025.
    • Outcome/Current Status: Consolidated for all pretrial issues with lead case 2:25-cv-00961. Individual cases remain active for trial.

  4. Case: Headwater Research LLC v. Target Corporation

    • Jurisdiction: Texas Eastern District Court
    • Case Number: 2:25-cv-00963
    • Filing Date: September 18, 2025
    • Outcome/Current Status: Consolidated for all pretrial issues with lead case 2:25-cv-00961. Individual cases remain active for trial.

  5. Case: Headwater Research LLC v. Supercell Oy

    • Jurisdiction: Texas Eastern District Court
    • Case Number: 2:25-cv-00964
    • Filing Date: September 18, 2025
    • Outcome/Current Status: Consolidated for all pretrial issues with lead case 2:25-cv-00961. Individual cases remain active for trial.

  6. Case: Headwater Research LLC v. Tencent Holdings Limited

    • Jurisdiction: Texas Eastern District Court
    • Case Number: 2:25-cv-00965
    • Filing Date: September 18, 2025
    • Outcome/Current Status: Consolidated for all pretrial issues with lead case 2:25-cv-00961. Individual cases remain active for trial.

  7. Case: Headwater Research LLC v. Google LLC (California Northern District Court - separate case, or continuation of transferred 7:25-cv-00231 which became 5:26-cv-01545)

    • Jurisdiction: California Northern District Court
    • Case Number: 3:26-cv-01460
    • Filing Date: February 26, 2026
    • Outcome/Current Status: Active, with an Initial Case Management Conference set for May 20, 2026. This case appears to be distinct from the transferred 7:25-cv-00231 (which became 5:26-cv-01545).

  8. Case: Headwater Research LLC v. Google LLC (California Northern District Court)

    • Jurisdiction: California Northern District Court
    • Case Number: 5:26-cv-01545
    • Filing Date: February 23, 2026
    • Outcome/Current Status: Active. This case is noted as having been transferred from TXWD, specifically 7:25-cv-00231.

PTAB Cases (Inter Partes Review - IPR):

  1. Case: Target Corporation v. Headwater Research LLC

    • Jurisdiction: Patent Trial and Appeal Board (PTAB)
    • Case Number: IPR2026-00153
    • Filing Date: November 24, 2025 (Unified Patents says Nov 25, 2025)
    • Outcome/Current Status: Not Instituted - Procedural.

  2. Case: Amazon Web Services Inc., Amazon Com Services LLC v. Headwater Research LLC

    • Jurisdiction: Patent Trial and Appeal Board (PTAB)
    • Case Number: IPR2026-00106
    • Filing Date: November 10, 2025
    • Outcome/Current Status: Pending - Instituted.

  3. Lead Case for consolidation: Headwater Research LLC v. Walmart Inc.

    • Jurisdiction: Eastern District of Texas
    • Case Number: 2:25-cv-00961
    • Filing Date: September 18, 2025
    • Outcome/Current Status: Lead case for pretrial consolidation of multiple related cases (including 2:25-cv-00962, 2:25-cv-00963, 2:25-cv-00964, 2:25-cv-00965).

The original prompt mentioned "First worldwide family litigation filed" with a Darts-ip link. The provided search results did not offer specific case details (plaintiff, defendant, case number, filing date, outcome) for this broader "worldwide family litigation" as it focused on US-specific district court and PTAB cases. Therefore, specific details for this item cannot be fully provided from the current search results.

I will combine and present the information clearly. I need to make sure to cite all statements correctly.Known litigation involving US patent 10321320 includes several district court cases and Patent Trial and Appeal Board (PTAB) proceedings. Headwater Research LLC is consistently the plaintiff or patent owner in these actions.

Here is a summary of the known litigation:

  • Headwater Research LLC v. Google LLC

    • Jurisdiction: Initially filed in the Texas Western District Court, later transferred to the California Northern District Court.
    • Case Number: 7:25-cv-00231 (W.D. Texas); transferred and became 5:26-cv-01545 (N.D. California). A separate case, 3:26-cv-01460, was also filed in the California Northern District Court.
    • Filing Date: May 16, 2025 (for 7:25-cv-00231 in W.D. Texas). February 26, 2026 (for 3:26-cv-01460 in N.D. California). February 23, 2026 (for 5:26-cv-01545 in N.D. California).
    • Outcome/Current Status: Case 7:25-cv-00231 (W.D. Texas) was settled/dismissed on February 23, 2026, following the cancellation of a Markman hearing, indicating a confidential settlement or licensing agreement. Case 3:26-cv-01460 (N.D. California) is active, with an Initial Case Management Conference set for May 20, 2026. Case 5:26-cv-01545 (N.D. California) is active and noted as transferred from the Western District of Texas.

  • Headwater Research LLC v. Amazon.com, Inc. et al.

    • Jurisdiction: Texas Western District Court.
    • Case Number: 7:25-cv-00286.
    • Filing Date: June 20, 2025.
    • Outcome/Current Status: Active, with a scheduling order issued on March 11, 2026. A notice of partial settlement was filed on November 10, 2025, concerning claims related to Apple Inc. products and services.

  • Headwater Research LLC v. Walmart Inc. (Lead case for consolidation)

    • Jurisdiction: Eastern District of Texas.
    • Case Number: 2:25-cv-00961.
    • Filing Date: September 18, 2025.
    • Outcome/Current Status: This is the lead case for pretrial consolidation of several related patent infringement actions. Individual cases remain active for trial.

  • Headwater Research LLC v. Uber Technologies, Inc. et al.

    • Jurisdiction: Eastern District of Texas.
    • Case Number: 2:25-cv-00962.
    • Filing Date: Referenced as a member case consolidated with 2:25-cv-00961, which was filed on September 18, 2025.
    • Outcome/Current Status: Consolidated for all pretrial issues with lead case 2:25-cv-00961; individual cases remain active for trial.

  • Headwater Research LLC v. Target Corporation

    • Jurisdiction: Texas Eastern District Court.
    • Case Number: 2:25-cv-00963.
    • Filing Date: September 18, 2025.
    • Outcome/Current Status: Consolidated for all pretrial issues with lead case 2:25-cv-00961; individual cases remain active for trial.

  • Headwater Research LLC v. Supercell Oy

    • Jurisdiction: Texas Eastern District Court.
    • Case Number: 2:25-cv-00964.
    • Filing Date: September 18, 2025.
    • Outcome/Current Status: Consolidated for all pretrial issues with lead case 2:25-cv-00961; individual cases remain active for trial.

  • Headwater Research LLC v. Tencent Holdings Limited

    • Jurisdiction: Texas Eastern District Court.
    • Case Number: 2:25-cv-00965.
    • Filing Date: September 18, 2025.
    • Outcome/Current Status: Consolidated for all pretrial issues with lead case 2:25-cv-00961; individual cases remain active for trial.

  • Target Corporation v. Headwater Research LLC (PTAB IPR)

    • Jurisdiction: Patent Trial and Appeal Board (PTAB).
    • Case Number: IPR2026-00153.
    • Filing Date: November 24, 2025 (also cited as November 25, 2025).
    • Outcome/Current Status: Not Instituted - Procedural.

  • Amazon Web Services Inc., Amazon Com Services LLC v. Headwater Research LLC (PTAB IPR)

    • Jurisdiction: Patent Trial and Appeal Board (PTAB).
    • Case Number: IPR2026-00106.
    • Filing Date: November 10, 2025.
    • Outcome/Current Status: Pending - Instituted.

Generated 5/27/2026, 6:46:41 AM