Hayden Coleman


Hayden Coleman


New York | Three Bryant Park, 1095 Avenue of the Americas, New York, NY, United States of America 10036-6797
+1 212 698 3551 | +1 212 698 3599


Hayden A. Coleman focuses his practice on representing pharmaceutical, consumer goods and insurance companies facing all forms of aggregate litigation, including class actions, mass tort actions, qui tam and governmental lawsuits. Mr. Coleman has over 20 years of experience representing clients at the trial and appellate levels in matters concerning consumer fraud, false advertising, RICO and product liability claims. Throughout his career, he has been a key player on the team named “Product Liability Practice Group of the Year” by Chambers USA two years in a row and by Law360 multiple times.

Mr. Coleman has worked extensively in federal and state appellate courts writing briefs in appeals before the Second, Fifth, Sixth and Ninth Circuits. He has lectured and written on topics relating to class actions, product liability and the False Claims Act.

Prior to joining Dechert, Mr. Coleman was of counsel at Quinn Emmanuel Urquhart & Sullivan. 

  • A major pharmaceutical company in more than one thousand federal and state lawsuits brought by state attorneys general, cities, municipalities, hospitals and third-party payors alleging fraudulent marketing practices in connection with the sale of Purdue’s prescription opioid medications.
  • A Fortune 100 Company in thousands of asbestos-related lawsuits arising out of the company’s historic sales of asbestos products and ownership of talc mines.
  • A major insurance company as national coordinating defense counsel in Hurricane Katrina litigation in Louisiana and Mississippi. 
  • A multinational automotive manufacturing company in multiple product defect putative class actions affecting the company’s best-selling SUVs and trucks.
  • A pharmaceutical company in a certified class action alleging fraudulent marketing practices in connection with the sale of its hormone therapy medications.
  • A large pharmaceutical company in over 150 cases alleging that the use of its antidepressant medications during pregnancy caused birth defects.
  • A major American sports league in negotiating one of the of the largest personal injury class action settlements in U.S. history.
  • A major insurance company in persuading the federal district court overseeing the Hurricane Katrina litigation in Mississippi to disqualify a consortium of attorneys representing plaintiffs in more than 500 individual cases. McIntosh v. State Farm Fire & Casualty Co., 2008 WL 941640 (S.D. Miss. Apr. 4, 2008). 
  • An insurance company in convincing the Fifth Circuit to affirm the trial court’s dismissal of a qui tam action, even though the Fifth Circuit reinstated the action against several co-defendants. U.S. ex rel. Branch Consultants v. Allstate Ins. Co., 560 F.3d 371 (5th Cir. 2009).
  • An alcohol beverage manufacturer in successfully obtaining dismissal of several putative consumer fraud class actions against brewers and distillers in Alston v. Advanced Brands & Importing Co., 2006 WL 1374514 (E.D. Mich. May 19, 2006), aff’d, 494 F.3d 562 (6th Cir. July 17, 2007), and Eisenberg v. Anheuser-Busch, Inc., 2006 WL 290308 (N.D. Ohio Feb. 2, 2006).
  • A technology company in successfully obtaining decertification of a nationwide consumer class action against a major computer manufacturer. Compaq Computer Corporation v. LaPray, 135 S.W.3d 657 (Tex. 2004); and in successfully obtaining decertification of a nationwide “declaratory judgment” class action seeking a declaration that the defendant’s warranty violated the Magnuson-Moss Warranty Act. Compaq Computer Corp. v. Albanese, 153 S.W.3d 254 (Tex. App. – Beaumont 2004).
  • An automobile manufacturer in managing the national coordination of automotive rollover litigation involving postal delivery vehicles.

Includes matters handled at Dechert or prior to joining the firm.

  • State University of New York at Albany, B.A., 1985, cum laude, Dean’s List
  • Fordham University School of Law, J.D., 1996, cum laude, Fordham Law Review, Dean’s List, Order of the Coif
  • New York
  • Supreme Court of the United States
  • United States Court of Appeals for the Second Circuit
  • United States Court of Appeals for the Fifth Circuit
  • United States Court of Appeals for the Sixth Circuit
  • United States District Court for the Eastern District of New York
  • United States District Court for the Southern District of New York
  • United States District Court for the Eastern District of Michigan
  • Law360's Product Liability Editorial Advisory Board