Atty. Steven Horn

Atty. Steven Horn

Steven Horn focuses his practice on intellectual property and appellate litigation. He has represented technology and life sciences clients in patent disputes involving a variety of technologies, including microprocessors, smartphones and pharmaceuticals.

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Profile Summary

About Steven Horn at a glance

Steven Horn is a ip and appellate attorney based in Washington, District of Columbia, practicing at Wilmer Cutler Pickering Hale and Dorr LLP. Admitted to practice in District of Columbia, The District of Columbia Bar and Massachusetts, Massachusetts Bar Association. Educated at Harvard University (J.D., 2014) and Yale University (BS, 2010). Recognitions include Best Lawyers in America — Appellate Practice (2026) and Best Lawyers in America — Litigation - Intellectual Property (2026). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Steven Horn focuses his practice on intellectual property and appellate litigation
  • He has represented technology and life sciences clients in patent disputes involving a variety of technologies, including microprocessors, smartphones and pharmaceuticals
  • He has represented clients in US district courts, including as a member of multiple trial teams
  • He has also represented clients in inter partes review proceedings before the Patent Trial and Appeal Board
  • His appellate experience includes appeals in the United States Court of Appeals for the Federal Circuit, the United States Court of Appeals for the First Circuit, the United States Court of Appeals for the Ninth Circuit and the United States Supreme Court

Practice Areas Explained

Steven Horn's Areas of Practice

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

Intellectual Property

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

Steven Horn is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →

Appellate Practice

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

Steven Horn is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia 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 District of Columbia courts without local counsel or pro hac vice admission.

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about Steven Horn

Where is Steven Horn's law office located?
Steven Horn's law practice is located in Washington, District of Columbia. The firm is Wilmer Cutler Pickering Hale and Dorr LLP. You can contact the office directly through this profile page.
What practice areas does Steven Horn handle?
Steven Horn focuses on ip, appellate. Each practice area listed reflects experience handling cases of that type in District of Columbia.
Where did Steven Horn go to law school?
Steven Horn earned their education at (J.D., 2014); (BS, 2010).
How can I contact Steven Horn for a consultation?
You can contact Steven Horn 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 Steven Horn received?
Steven Horn's notable recognition includes: Best Lawyers in America — Appellate Practice; Best Lawyers in America — Litigation - Intellectual Property.

Education

J.D.
Harvard University
- 2014
BS
Yale University
- 2010

Awards

Best Lawyers in America — Appellate Practice
- 2026
Best Lawyers in America — Litigation - Intellectual Property
- 2026

Bar Admissions

District of Columbia, The District of Columbia Bar
Massachusetts, Massachusetts Bar Association

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