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