Barclay Damon
Barclay Damon


Dennis McCoy


p: 716.566.1560

f: 716.566.4014

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Buffalo Office

The Avant Building
200 Delaware Avenue
Buffalo, New York 14202

With over 30 years of legal experience, Dennis primarily concentrates his practice on representing clients in major complex litigation involving professional and products liability. He draws on his experience serving as national and regional counsel for two major companies.

Dennis serves as an expert witness in cases involving trial practice, ethics, and lawyer liability. In addition to his role at Barclay Damon, Dennis is a University at Buffalo School of Law adjunct.

Representative Experience

  • Represented a major NY-based law firm against allegations of legal malpractice in the prosecution of an international patent application.
  • Represented the seller of an allegedly defective ATV in litigation seeking damages for rendering the plainitffs a quadriplegic. This case was ultimately argued before the NY Court of Appeals.
  • Represented six NY law firms in action by the NY Attorney General against a total of 35 law firms seeking to vacate tens of thousands of default judgments entered against various consumers with a cumulative value of over $1 billion.
  • Represented a relator in a False Claims Act against a guidant corporation venued in the District of Minnesota. After three years of litigation, the matter was settled in 2013 for $30 million.

Practice Areas


  • University at Buffalo School of Law, J.D., Buffalo Law Review, Case & Comment Editor; Moot Court Board, Senior Member; Desmond Moot Court, Best Brief Award, 1977
  • University of Notre Dame, B.A., with honors, 1973

Admitted To Practice

  • New York, 1978
  • U.S. District Court, Western District of New York
  • U.S. District Court, Northern District of New York
  • U.S. District Court, Southern District of New York
  • U.S. District Court, Eastern District of New York
  • U.S. Court of Appeals, 1st Circuit
  • U.S. Court of Appeals, 2nd Circuit

Memberships & Affiliations

  • American Bar Association, TIPS Section
  • American Bar Foundation and New York Bar Foundation, Fellow
  • Bar Association of Erie County
  • New York State Bar Association, Torts, Insurance, and Compensation Law Section Executive Committee Member and Former Chair; CPLR Committee Member; and Former Committee on Association Insurance Chair
  • Western New York Defense Trial Lawyers Association
  • University at Buffalo School of Law, Dean’s Advisory Council Member and Former Annual Fund Committee Chair
  • US District Court for the Western District of New York, Panel of Mediators Member

Civic Activities

  • University at Buffalo School of Law, Adjunct

Speaking & Publications

  • New York State Bar Association, “Risk Management 2018,” Speaker and Local Chair
  • Erie County Institute of Law, “Risk Management for Lawyers”
  • American Conference Institute Advanced Forum on LPL/Legal Malpractice, Co-Chair
  • American Conference Institute Lawyer Professional Liability Conference, Co-Chair
  • Trial Attorneys of America, “CLE Goes to the Movies—Trial Technique Pointers From the Golden Screen”
  • Buffalo Law Journal, “One Year Later, Law Partners Reflect on Barclay Damon Merger”


  • The Best Lawyers in America®, Personal Injury Litigation and Product Liability—Defendants, 2013-2019; Buffalo Lawyer of the Year – Product Liability Litigation –Defendants, 2016
  • Selected to Super Lawyers Upstate New York: Personal Injury—Products: Defense, 2007-2018
  • University at Buffalo School of Law, Distinguished Alumnus Award for Private Practice, 2015
  • Defense Trial Lawyers of Western New York, Defense Trial Lawyer of the Year/Robert M. Kiebala Memorial Award , 2014
  • New York State Bar Association Torts, Insurance, and Compensation Law Section, John Leech Award, 2004

Prior Experience

  • Hiscock & Barclay, LLP, Partner