Finnegan, Henderson, Farabow, Garrett & Dunner

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Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
Headquarters Washington, D.C.
No. of offices 10
No. of attorneys ~300
Major practice areas Intellectual property
Key people Mark D. Sweet, Managing Partner
Date founded March 1, 1965
Founder Marc Finnegan and Douglas Henderson
Company type Limited Liability Partnership

Finnegan, Henderson, Farabow, Garrett & Dunner LLP, commonly known as Finnegan, is an international intellectual property law firm based in Washington, DC, United States. Finnegan was founded on March 1, 1965 by Marc Finnegan and Douglas Henderson in Washington, DC. It is one of the largest law firms focusing exclusively on the practice of intellectual property (IP) law,[1] practicing all aspects of patent, trademark, copyright, and trade secret law, including counseling, prosecution, licensing, and litigation. Finnegan (known as Finnegan Europe LLP in the United Kingdom [2] and the Fei Han Foreign Affairs Law Firm in Taiwan [3]), also represents clients on IP issues related to European patents and trade marks, international trade, portfolio management, the Internet, e-commerce, government contracts, antitrust, and unfair competition.

As a place to work, Finnegan has been identified by Working Mother magazine as a top 100 company for working mothers since 2011 [4] and ranked in the top 10 in the 2016 Vault Guide to the Top 100 Law Firms in the categories Best Law Firms to Work For, Diversity, Formal Training, and Substantive Work, and ranked #2 for the firm’s Intellectual Property Practice.[5]



Finnegan has been consistently ranked one of the most prestigious law firms for intellectual property in the world.[6] As such, Finnegan is among the most competitive firms for incoming associates, who usually possess advanced degrees in engineering and science in addition to a law degree.[7] In 2018, the firm employed more than 40 former U.S. Federal Circuit clerks, and offered bonuses to incoming associates upon completing district and appellate court clerkships.[8]

  • Ranked #1 in six out of seven IP categories, more than any other law firm. (The Legal 500, 2018)[9]
  • Ranked as a Tier 1 law firm in more than a dozen U.S. and international IP categories. (IAM Patent 1000, 2018)[10]
  • Named “D.C. Intellectual Property Litigation Department of the Year” (The National Law Journal, 2018)[11]
  • Named "U.S. ITC Firm of the Year" (Managing Intellectual Property, 2018)[12]
  • Named “Intellectual Property Firm of the Year” (LMG Life Sciences Awards, 2017)[13]
  • Named “Practice Group of the Year” in Intellectual Property (Law360, 2017)[14]


  1. ^ "Finnegan Press Room". Retrieved 2015-12-15. 
  2. ^ "European IP Practice". Retrieved 2016-06-27. 
  3. ^ "Asia". Retrieved 2016-06-27. 
  4. ^ "Working Mother". Retrieved 2015-12-21. 
  5. ^ "2016 Vault Guide to the Top 100 Law Firms". Retrieved 2015-12-21. 
  6. ^ Vault (January 2018). "Best Law Firms for Intellectual Property". 
  7. ^ Finnegan LLP (June 2018). "Finnegan Henderson Farabow Garrett & Dunner, LLP -- Professionals". 
  8. ^ Finnegan LLP (June 2018). "Finnegan Henderson Farabow Garrett & Dunner, LLP -- U.S. Court of Appeals for the Federal Circuit". 
  9. ^ The Legal 500 (May 2018). "The Legal 500 Intellectual Property Overview". 
  10. ^ IAM 1000 (June 2018). "IAM Patent 1000 Rankings". 
  11. ^ The National Law Journal (May 2018). "The 2018 D.C. Litigation Departments of the Year". 
  12. ^ Managing Intellectual Property (May 2018). "Managing IP Americas Awards". 
  13. ^ LMG Life Sciences (May 2018). "LMG Life Sciences 2017 Awards". 
  14. ^ Law360 (January 2018). "Law360 Names Practice Groups of the Year".