add items to your
binder to email or
print all at once
Items In Binder
Site Lawyers

David R. Marriott

Partner, Litigation

David R. Marriott is a partner in Cravath’s Litigation Department. His practice focuses on litigation and alternative dispute resolution, generally concerning business disputes and matters in the areas of intellectual property, employment, securities and antitrust.

Mr. Marriott has tried, argued and litigated cases in both state and federal courts, and has been involved with numerous forms of alternative dispute resolution. He is a fellow of the American College of Trial Lawyers.

His clients have included CSX Corporation, Delta Air Lines, IBM, Mylan, NCR Corporation, Novartis, Alcon Laboratories, Qualcomm, Bristol‑Myers Squibb, Lazard Frères & Co., AT&T, Bank of America, Eli Lilly, the Massachusetts Institute of Technology and the President and Fellows of Harvard College.

Mr. Marriott is an Adjunct Professor at New York University School of Law and a Lecturer in Law at Columbia University School of Law. He teaches antitrust, intellectual property and trial practice.

Several of Mr. Marriott’s current and recent representations include:

  • Representing IBM in litigation alleging unfair competition and tortious interference relating to the UNIX operating system.
  • Representing Alcon Laboratories in connection with more than 50 putative class actions centralized in Florida federal court alleging that Alcon’s unilateral pricing policies for contact lenses violate Section 1 of the Sherman Act and state antitrust and consumer protection/unfair competition laws.
  • Representing Mylan Laboratories in consolidated antitrust litigation filed in Pennsylvania federal court regarding alleged reverse-payment settlement agreements concerning the narcolepsy drug modafinil.
  • Representing artist Donald Graham as plaintiff in a copyright infringement lawsuit filed against Richard Prince and others concerning infringement of Mr. Graham’s copyright in his photograph of a Rastafarian man.
  • Representing photographer Eric McNatt as plaintiff in a copyright infringement action filed against artist Richard Prince, international art gallery Blum & Poe and fine art marketplace Ocula Limited alleging that the defendants infringed the photographer’s copyrighted material.
  • Representing Qualcomm in a patent infringement action against Apple before the U.S. International Trade Commission (“ITC”) seeking to bar iPhones containing non Qualcomm wireless modem chips from entering the country. The case was tried over one week in June 2018. A decision is pending. A second matter against Apple before the ITC was tried over one week in September 2018.
  • Represented Juno Therapeutics in a lawsuit filed by City of Hope (“COH”) in California federal court alleging Juno violated an exclusive license agreement to certain COH patents.
  • Represented NCR Corporation in several environmental actions brought under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), relating to the environmental remediation of Wisconsin’s Fox River and Michigan’s Kalamazoo River, which were tried in February 2012 and February 2013. Phase II of the Kalamazoo litigation was tried between September and December 2015.
  • Represented a medical device manufacturer in a purported class action lawsuit filed in New York federal court by employees alleging gender discrimination with regards to pay and promotion. The parties reached settlements.
  • Represented Merck Sharp & Dohme as plaintiff in three separate patent infringement actions seeking to enjoin the marketing and sale of generic versions of Merck’s antifungal agent, Noxafil®.
  • Represented Qualcomm in antitrust litigation against Broadcom Corporation concerning telecommunications chips.
  • Won summary judgment following oral argument before the New York Court of Appeals for a professional services firm in October 2015, in an action brought by Nomura Asset Capital Corporation in connection with a commercial mortgage‑backed securitization.
  • Advised AT&T Corporation in connection with a dispute with a competitor concerning telecommunications products and services.
  • Won summary judgment for IBM in a lawsuit brought by The SCO Group in Utah federal court involving breach of contract and copyright infringement regarding the Linux operating system.
  • Obtained a judgment in favor of CSX Corporation after trial in a securities lawsuit in New York federal court arising from its proxy contest with two hedge funds.
  • Secured a favorable decision following trial for a leading eyecare company in a contract dispute purportedly worth more than $10 billion.
  • Obtained a favorable result for a movie producer in a dispute with a major motion picture studio regarding profit sharing rights in a popular television show.
  • Obtained a judgment for an investment bank defeating a common law claim for over $240 million after a six‑week trial in defense of an adversary complaint filed in Massachusetts bankruptcy court.
  • Represented an Italian television manufacturer at trial in an action against Royal Philips Electronics N.V. alleging breach of contract, fraud and other claims.
  • Handled multidistrict antitrust litigation filed against Bristol‑Myers Squibb alleging that the company misused its patents concerning BuSpar®, an anti‑anxiety drug, to exclude generic competitors.
  • Won dismissal of seven claims filed against the Executors of the Estate of Christopher H. Browne asserting contract and tort claims.
  • Represented a Fortune 500 company in putative class action securities fraud litigation with respect to alleged fraud concerning a potential new product.

Mr. Marriott is the editor of New York Business Litigation (NYLJ 2013‑2016) and a contributing author and editor of Winning at Trial (ALM 2014).

His other publications include:

  • “Opening to Win: Seven Tips for Delivering an Effective Opening Statement” (NYLJ, November 14, 2011);
  • “Picking a Winner: Ten Tips for Selecting the Best Possible Jury” (NYSBA Journal, September 2011);
  • “A Direct Path to Winning: Tips for Conducting an Effective Direct Examination” (NYLJ, July 2011);
  • “10 Tips for Picking a Jury” (PLI 2010);
  • “7 Tips for a Winning Opening Statement” (PLI 2010);
  • “Selecting the Best Possible Jury” (PLI 2009);
  • “Current Legal Issues Relating to Complex Litigation” (PLI 2007);
  • “Modern Ethical Issues in Complex Litigation” (PLI 2007);
  • “Document Production: An Effective System in the Electronic Age is Critical to Withstanding Challenge” (NYLJ, August 21, 2006);
  • “Ethical Considerations in Electronic Discovery” (PLI 2006); and
  • “Selected Topics Arising in Multiple Defendant Litigation” (PLI 2006).

Mr. Marriott is the chair of the Practising Law Institute’s conference “Trial by Jury” and has been a repeat moderator of other PLI conferences, such as “Bet the Company Litigation.” For several years, Mr. Marriott chaired the New York City Bar’s annual “Institute for Corporate Counsel.”

Mr. Marriott was named a “National Star” in general commercial litigation and a “Local Litigation Star” in the New York area in the 2017 and 2018 editions of Benchmark LitigationThe Legal 500 United States named him a “Leading Trial Lawyer” in 2017 and 2018 and has recommended him for his work in antitrust, general commercial and patent litigation. Mr. Marriott was recognized for his arbitration work by The Best Lawyers in America in 2018 and 2019. He has also been recognized as a leading lawyer by several other legal ranking publications such as Lawdragon, IAM Patent, Leaders League and Super Lawyers.

Mr. Marriott is admitted on the federal level, before the U.S. Supreme Court; the U.S. Courts of Appeals for the Federal, First, Second, Third, Fourth, Sixth, Ninth, Tenth and Eleventh Circuits; and the U.S. District Courts for the District of Utah, the Eastern District of New York, the Eastern District of Michigan, the Northern District of California, the Southern District of New York, and the Western District of Michigan.

Mr. Marriott received his J.D. from New York University in 1994. Following graduation, Mr. Marriott served as law clerk to Hon. Eugene F. Lynch of the U.S. District Court for the Northern District of California. The following year, he served as law clerk to Hon. Albert J. Engel of the U.S. Court of Appeals for the Sixth Circuit. Mr. Marriott received his B.A. from Brigham Young University in 1991. He joined Cravath in 1996 and became a partner in 2003.

Mr. Marriott may be reached by phone at +1‑212‑474‑1430 or by email at

Mr. Marriott is admitted only in New York and Utah.

+1 (212) 474-1430
+1 (212) 474-3700