Lou Gilligan is a senior partner in the Litigation Group. He has received professional distinctions in his litigation specialty by being named a Fellow of the American College of Trial Lawyers (1985) and Advocate in the American Board of Trial Advocates (1989). Lou has been involved in many arbitration and mediation matters both as an advocate for a party or as "Arbitrator or Mediator." He has served as Special Master and Mediator for the United States District Court for the Southern District of Ohio.

Representative Work

Represented as the sole attorney a certified class in excess of 1,000 members in a product liability personal injury lawsuit involving a defective medical device resulting in a $60 million settlement

Represents a large waste collection and landfill company in Ohio, Kentucky and Indiana in all litigation matters, including accident and environmental claims

Represented defendant large public utility in environmental class action litigation

Class counsel in Cincinnati Styrene class action litigation

Represented defendant County and County officials in civil rights and negligence law violations class action litigation

Represented defendant companies and subsidiaries in personal injury and nuisance class action litigation

General defense counsel in multi-district litigation involving securities actions and bankruptcy proceedings

Represented partners of major accounting firm in a consolidated binding arbitration action

Represented plaintiffs in personal injury/product liability class action litigation which successfully concluded in multi-million dollar judgment

Represented approximately 1,000 plaintiffs in commercial consumer fraud class action litigation which resulted in a multi-million dollar settlement

Represented plaintiffs in first mass disaster tort case proceeding as a class action litigation which resulted in various jury verdicts and a multi-million dollar settlement

Professional and Community Involvement

Cincinnati Bar Association

Ohio State Bar Association

Good Samaritan Foundation, Board of Trustees

University of Cincinnati School of Law, Dean's Board of Visitors

Awards & Recognition

John P. Kiely Professionalism Award, Cincinnati Bar Association, 2012

Distinguished Alumni Award, University of Cincinnati College of Law Alumni Association, 2011

Listed in The Best Lawyers in America, 1989-2021

Named the "Cincinnati Best Lawyers’ Product Liability Litigation, Plaintiffs Lawyer of the Year," 2011, 2015

Named the “Cincinnati Best Lawyers’ Personal Injury Litigation-Defendants Lawyer of the Year,” 2012

Named to Ohio Super Lawyers, 2004-2019, 2021-2024

Named to Cincy Leading Lawyers

AV® Preeminent™ Peer Review Rated, Martindale-Hubbell

  • Best Lawyers  - LFG 2015
  • Best Lawyers (Don't Delete)
  • Super Lawyers (Don't Delete)
  • Cincy Leading Lawyers
  • Peer Review (Don't Delete)

News & Resources


  • Ohio
  • U.S. District Court, Southern District of Ohio
  • U.S. Court of Appeals, Sixth Circuit
  • U.S. Supreme Court


J.D., University of Cincinnati College of Law, 1968

B.S., University of Scranton, 1965

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