Arnold & Porter

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Arnold & Porter
Arnold & Porter logo.png
No. of offices14
No. of attorneys1000+[1]
Major practice areasGeneral corporate practice, litigation, regulatory
Date founded1946 (Arnold & Fortas) & 1917 (Kaye Scholer)
Company typeLLP

Arnold & Porter Kaye Scholer LLP is an American multinational law firm.[2] A white-shoe firm, Arnold & Porter is among the largest law firms in the world, by both revenue and by its number of lawyers.[3][4]


Arnold & Porter was founded in 1946 by New Deal veterans Thurman Arnold, a former Yale Law School professor and U.S. Court of Appeals Judge on the D.C. Circuit, and Abe Fortas, another former Yale Law School professor who later became a Supreme Court Justice.[5] In 1947, Paul A. Porter, a former Chairman of the Federal Communications Commission joined the firm and it was renamed Arnold, Fortas & Porter. In 1965, Abe Fortas' name was dropped from the firm's moniker after his ascension to the Supreme Court.

In November 2016, Arnold & Porter announced that it would be merging with New York-based firm Kaye Scholer to form Arnold & Porter Kaye Scholer LLP, with approximately 1000 attorneys across ten domestic and four international offices. The merger took effect on January 1, 2017.[6] In February 2018, The National Law Journal reported that the newly combined "firm has quietly reversed its post-merger branding efforts" and "scrubbed nearly all mention of 'Kaye Scholer' from its public image, changing its brand name, email addresses and web domain", while retaining the legal entity name in full.[7] In September 2020, Arnold & Porter announced that they will shut down their Frankfurt office by the end of March 2021. [8]

In 2022, Arnold & Porter was a founding member of the Legal Alliance for Reproductive Rights, a coalition of United States law firms offering free legal services to people seeking and providing abortions in the wake of Dobbs v. Jackson Women's Health Organization, which overruled Roe v. Wade.[9]


Arnold & Porter served as counsel to Clarence Earl Gideon in the landmark case of Gideon v. Wainwright, subject of the Edgar Award-winning book Gideon's Trumpet by Anthony Lewis. The firm also represented the survivors of the Buffalo Creek Flood, which was the subject of the book Buffalo Creek Disaster, by Gerald M. Stern (required reading in many law schools).[citation needed] Arnold & Porter was the only BigLaw firm to represent the victims of Joseph McCarthy, and the "loyalty review boards". All three founders of the firm were so disturbed by the use of secret evidence that, at one point, the firm's lawyers were spending half of their time fighting these cases.[citation needed]

Arnold & Porter successfully defended Random House from a claim of copyright infringement against The Da Vinci Code, written by Dan Brown.[citation needed] The firm also served as outside counsel to the Independent Review Committee during its examination of Smithsonian Institution Secretary Lawrence Small's management.[citation needed] The firm was also counsel to Philip Morris for its mass tort litigation of the 1990s;[citation needed] WorldCom executive Scott Sullivan; Martha Stewart; and CBS, in its litigation against Howard Stern.[citation needed]

The firm successfully represented the government of Venezuela in its case against the United States' Clean Air Act, on the grounds that the CAA violated World Trade Organization agreements.

Arnold & Porter represented US Airways in its merger with America West. Arnold & Porter also assisted SBC Communications Inc. in its acquisition of AT&T Corp., forming the new AT&T Inc.

It is also defending the South Korean government in its case against Lone Star Funds. The Korean law firm 법무법인(유한) 태평양(Bae, Kim & Lee LLC) is working with Arnold &Porter on the case.

The firm is also noted for its pro bono work, including assisting the family of Lt. Henry Ossian Flipper in obtaining the first posthumous Presidential pardon in U.S. history, and representation of Ukrainian mail order bride Nataliya Fox against international marriage broker Encounters International in a landmark case that helped to establish the rights of such women.[10] The firm is co-counsel with the DC Prisoners' Project of the Washington Lawyers' Committee for Civil Rights and Urban Affairs, which represents prisoners at ADX Florence who allege deficiencies in psychiatric evaluation and care in Cunningham v. Federal Bureau of Prisons.[11]


Thurman Arnold Building is the former location of Arnold & Porter's offices in Washington, D.C. The firm relocated to 601 Mass. Ave NW in 2015.

Notable alumni[edit]


  1. ^ "Arnold & Porter - the Inside View".
  2. ^ Arnold & Porter website
  3. ^ "Arnold & Porter |".
  4. ^ "Arnold & Porter | Company Profile".
  5. ^ Chambers Student Guide 2011, Chambers and Partners.
  6. ^ "Arnold & Porter and Kaye Scholer Announce Combination | News | Arnold & Porter". Arnold & Porter. Retrieved 2016-12-20.
  7. ^ "Arnold & Porter Scrubs Kaye Scholer From Masthead, Website", by Ryan Lovelace, The National Law Journal,, February 02, 2018. Retrieved July 27, 2019.
  8. ^ [1] "Aus in Deutschland - Arnold & Porter schließt Frankfurter Buero"
  9. ^ Lancaster, Alaina (June 1, 2022). "20 Law Firms Offer Pro Bono Legal Services to Defend Abortion Rights". Retrieved 6 July 2022.
  10. ^ "Mail-Order Misery: Imported Brides - Newsweek Society -". Archived from the original on 2006-06-14. Retrieved 2006-05-30.
  11. ^ Mark Binelli (March 26, 2015). "Inside America's Toughest Federal Prison For years, conditions inside the United States' only federal supermax facility were largely a mystery. But a landmark lawsuit is finally revealing the harsh world within". The New York Times Magazine. Retrieved March 29, 2015.

External links[edit]