Atty. Louis W. Tompros

Atty. Louis W. Tompros

Louis Tompros is an experienced first-chair trial and appellate litigator. He makes the fast-moving and legally complicated field of intellectual property understandable for juries and judges.

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Profile Summary

About Louis W. Tompros at a glance

Louis W. Tompros is a patent, ip, and appellate attorney based in Boston, Massachusetts, practicing at Wilmer Cutler Pickering Hale and Dorr LLP. Admitted to practice in Massachusetts, Massachusetts Bar Association. Educated at Harvard University (J.D., 2003) and Yale University (BA, 2000). Recognitions include Best Lawyers in America — Appellate Practice (2026), Best Lawyers in America — Litigation - Intellectual Property (2026), and Best Lawyers in America — Litigation - Patent (2026). Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Louis Tompros is an experienced first-chair trial and appellate litigator
  • He makes the fast-moving and legally complicated field of intellectual property understandable for juries and judges
  • He has handled the most challenging patent, trademark, copyright, trade dress, publicity, and defamation matters at trial and on appeal, for high profile clients in technology, entertainment, artificial intelligence, and alternative energy, and he has been hailed as a "prizefighter" in the world of intellectual property litigation
  • He has successfully tried numerous intellectual property cases to verdict as lead trial counsel, has successfully argued multiple appeals before federal circuit courts, and teaches both Patent Law and Trial Advocacy at Harvard, where he holds the title of Hieken Lecturer in Patent Law

Practice Areas Explained

Louis W. Tompros's Areas of Practice

Each practice area below reflects the types of cases Louis W. Tompros handles, with a brief overview of what that area of law covers.

Patent Law

Louis W. Tompros is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Massachusetts →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Louis W. Tompros is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Louis W. Tompros is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in Massachusetts →

Jurisdictional Context

Why local counsel matters in Massachusetts

Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boston are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Massachusetts courts without local counsel or pro hac vice admission.

Looking for additional Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.

Frequently Asked

Common questions about Louis W. Tompros

Where is Louis W. Tompros's law office located?
Louis W. Tompros's law practice is located in Boston, Massachusetts. The firm is Wilmer Cutler Pickering Hale and Dorr LLP. You can contact the office directly through this profile page.
What practice areas does Louis W. Tompros handle?
Louis W. Tompros focuses on patent, ip, appellate. Each practice area listed reflects experience handling cases of that type in Massachusetts.
Where did Louis W. Tompros go to law school?
Louis W. Tompros earned their education at (J.D., 2003); (BA, 2000).
How can I contact Louis W. Tompros for a consultation?
You can contact Louis W. Tompros directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Louis W. Tompros received?
Louis W. Tompros's notable recognition includes: Best Lawyers in America — Appellate Practice; Best Lawyers in America — Litigation - Intellectual Property; Best Lawyers in America — Litigation - Patent; Best Lawyers in America — Additional Areas of Practice:; Best Lawyers in America — Patent Law.

Education

J.D.
Harvard University
- 2003
BA
Yale University
- 2000

Awards

Best Lawyers in America — Appellate Practice
- 2026
Best Lawyers in America — Litigation - Intellectual Property
- 2026
Best Lawyers in America — Litigation - Patent
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Patent Law
- 2026
Best Lawyers in America — Trademark Law
- 2026

Bar Admissions

Massachusetts, Massachusetts Bar Association

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