Guides · Patent Litigation

Patent Litigation Resources

Official sources for researching a patent, a patent dispute, and the courts and agencies that decide them.

· Links checked October 20, 2026

In Short

Official sources for researching a patent, a patent dispute, and the courts and agencies that decide them. All are free, except PACER, which charges per page.

Researching the patent.

  • Patent Public Search: the full text of issued U.S. patents and published applications (USPTO).
  • Patent Center: file histories, the record of what the applicant and examiner said (USPTO).
  • Assignment Center: recorded assignments, showing who owns a patent (USPTO).
  • Maintenance Fees Storefront: whether a patent's maintenance fees have been paid (USPTO).
  • Global Dossier: related applications in other countries (USPTO).

Challenges at the Patent Office.

  • P-TACTS: filings and decisions in inter partes review and post-grant review at the Patent Trial and Appeal Board (USPTO).
  • PTAB fees, 37 C.F.R. § 42.15 (Cornell Legal Information Institute).

Court records and rules.

  • PACER: federal court dockets and filings.
  • Eastern District of Texas Patent Rules.
  • Southern District of Texas Local Patent Rules (updated Feb. 15, 2022).
  • Northern District of Texas Local Patent Rules: Miscellaneous Order No. 62, as amended, on the court's website (txnd.uscourts.gov).
  • Western District of Texas: patent procedures are set by each judge's standing orders, posted on the court's website (txwd.uscourts.gov).
  • U.S. Court of Appeals for the Federal Circuit: opinions, rules, and dockets for patent appeals.

Imports and the ITC.

  • EDIS: filings in Section 337 investigations at the U.S. International Trade Commission.

Statutes.

  • Title 35, U.S. Code (Patents) (Cornell Legal Information Institute).
  • Texas Business and Commerce Code chapter 17: subchapter L (§§ 17.951-17.955) covers bad-faith claims of patent infringement.
  • Texas Attorney General, consumer complaints: the office that enforces the bad-faith patent claims law.

Guides for further reading.

  • Patent Case Management Judicial Guide, 3d ed. (Federal Judicial Center, 2016): the standard reference for judges, organized by stage of a case.
  • An International Guide to Patent Case Management for Judges, ch. 10 (United States) (WIPO): a complete map of U.S. patent adjudication, including the ITC and the PTAB.

This guide is general information, not legal advice. Links checked October 20, 2026. See the Disclaimer.