Patent 10609904

Litigation summary

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

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No PTAB proceedings on file. This patent has not been challenged through Inter Partes Review, Post-Grant Review, or Covered Business Method review at the USPTO. The absence is itself a signal — well-asserted patents eventually attract IPRs.

Cases on file (3)

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Specific litigation cases in our database that name US patent 10609904. The free-form analysis below may also discuss cases beyond this list.

  • Zhende Tech et al. v. Swift Paws Incfiled Apr 21, 2026
    26-1709Court of Appeals for the Federal CircuitOpen

    Defendants: Swift Paws Inc

    Other patents asserted: 12156508

    The accused product is a lure chasing system that uses pulleys to move an object attached to a line.

  • Swift Paws, Inc. v. Tuff Pupper LLC et al.filed Jul 11, 2024
    3:24-cv-00838U.S. District Court for the Middle District of TennesseeActive

    Defendants: Tuff Pupper LLC, Pet Evolution, LLC, Phoenix Worldwide, LLC, and 1 other

  • Swift Paws, Inc. v. Zhende Tech
    6:26-cv-00259U.S. District Court for the Middle District of FloridaOn appeal

    Defendants: Zhende Tech

Litigation summary

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

✓ Generated

Patent Holder Initiates Litigation to Enforce U.S. Patent 10,609,904

As of the current date, April 29, 2026, the assignee of U.S. Patent 10,609,904, Swift Paws, Inc., is actively involved in litigation to enforce its patent rights. The company has filed suit against multiple defendants, and at least one of these cases has seen recent activity, including an appeal.

Details of the known litigation are as follows:

Case 1: Litigation Against Tuff Pupper and Pet Evolution

Case 2: Litigation Involving Zhende Tech

  • Plaintiff: Swift Paws, Inc.
  • Defendant: Zhende Tech
  • Jurisdiction: U.S. District Court for the Middle District of Florida
  • Case Number: 6:26-cv-00259
  • Filing Date: 2026 (specific date not available)
  • Status: Active. A preliminary injunction was entered against the defendant, Zhende Tech, on April 3, 2026, by Judge Julie S. Sneed. This case has an appellate component. A notice of appeal was filed by Zhende Tech on April 8, 2026. The appeal was initially docketed with the U.S. Court of Appeals for the Eleventh Circuit but was clerically transferred to the U.S. Court of Appeals for the Federal Circuit on April 15, 2026, which is the proper venue for patent case appeals.

Generated 4/29/2026, 3:16:35 AM