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"There's no more satisfying feeling than helping a client find a solution to a complicated legal problem."



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 own practice, he serves as the firm's deputy ethics partner and a member of the Intake/Conflicts Committee. Outside Barclay Damon, Dennis is a University at Buffalo School of Law adjunct.

Bar Associations

  • 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

Selected Memberships & Affiliations

  • 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

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.
  • Obtained a favorable settlement for a client sued in Florida in a complex accounting malpractice case arising from criminal fraud perpetrated by the CEO of a national telecommunications company.

Prior Experience

  • Hiscock & Barclay, LLP, Partner

Selected Community Activities

  • University at Buffalo School of Law, Adjunct

Selected Honors

  • The Best Lawyers in America®, Personal Injury Litigation – Defendants and Product Liability Litigation – Defendants, 2013-2021; Buffalo Lawyer of the Year – Product Liability Litigation – Defendants, 2016
  • Selected to Super Lawyers Upstate New York: PI – Products: Defense, 2007-2020
  • 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

Selected Speaking Engagements

  • 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”

Selected Publications & Media

Featured Media


New York State's Developing COVID-19 Recovery Initiatives


DHS Issues Security Directive for Pipelines


Changes to the New York State Power of Attorney Law Take Effect June 13, 2021


What Happens When Your Landlord Is in Bankruptcy


COBRA Update: IRS Issues New FAQ Guidance on ARPA Premium Subsidies & Extended Election Period


Unlocked Door Not a Proximate Cause of Gang Member Murder

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