Dennis L.Murphy

Of Counsel

Cleveland + 1.216.586.7367

For more than 25 years, Dennis Murphy has tried product liability, commercial, antitrust, and employment cases as lead counsel in dozens of cases in U.S. state and federal courts. Dennis also has defended class actions and claims by individuals for personal injury, tried unfair competition claims, and coordinated complex litigation nationwide.

In recent years Dennis has been a member of the Firm's litigation team representing R.J. Reynolds in product liability trials throughout Florida, in both state and federal courts. He has represented Reynolds for more than two decades and has secured defense verdicts at trial in cases including federal court in Seattle to smaller cities in Florida. Over the years he has coordinated Reynolds litigation in Ohio, New York, Louisiana, and Iowa. Dennis also was lead trial lawyer for Zimmer, Inc. (now Zimmer-Biomet) and related entities in a series of cases arising from Zimmer's acquisition of competitive distributors. He has successfully represented Zimmer in antitrust litigation, including appeal to the federal Third Circuit Court of Appeals. In addition, Dennis has obtained a number of injunctions for Zimmer enforcing noncompete, business, and similar obligations. He has defended Macy's in business litigation and Sherwin-Williams in public nuisance cases brought against the lead paint industry.

Dennis serves on Jones Day's Firmwide Lawyer Training Committee and regularly conducts training seminars on trial practice. He is an author of the Ohio chapter in Tort Law Desk Reference — A Fifty State Compendium (Aspen).


  • Zimmer wins dismissal of federal antitrust and RICO litigation in Third CircuitOn June 1, 2010, the U.S. Court of Appeals for the Third Circuit, in a 3-0 decision, affirmed a dismissal with prejudice of federal antitrust and Racketeer Influenced and Corrupt Organizations Act (RICO) claims brought against Jones Day client Zimmer, Inc., denied plaintiffs leave to amend on remand, and directed entry of judgment in favor of the defendants with costs.
  • Sherwin-Williams wins preliminary injunction decision in first case invalidating contingency fee agreement on due process groundsThe Court of Common Pleas (Lucas County, Ohio) dismissed the City of Toledo's lawsuit against a group of former manufacturers of lead pigment and lead paint, including Jones Day client, The Sherwin Williams Company.
  • R.J. Reynolds defends putative class action consumer fraud case in Louisiana courtJones Day defended R.J. Reynolds Tobacco Company in a putative class action consumer fraud case filed in Lake Charles, Louisiana.
  • Residence restrictions to sex offenders do not apply to client who had been convicted long before those restrictions were enactedWith supervision from Dennis Murphy, of Jones Day Cleveland, Ashlie Case completed representation of a sex offender from Parma.