Patrick manages the firm’s asbestos and toxic tort practice in western Pennsylvania. His practice includes serving as local counsel, trial counsel and national coordinating counsel for various insured and self-insured product manufacturers. Additionally, he represents both major corporate clients and small businesses in product liability, toxic tort and complex environmental and commercial litigation, including defending talc, asbestos, and negligence claims.
In addition to his work in toxic tort defense, Patrick is a member of the firm’s Casualty Department. In this capacity he defends all types of general and commercial liability cases, ranging from product liability cases to fall downs. He has worked defending bars and restaurants in both general liability and liquor liability matters for more than ten years.
Patrick also continues to represent automobile manufacturers, car dealerships, and automobile service facilities in claims made for breach of warranty, fraud, unfair trade practices and negligence.
Patrick has both jury and non-jury trial experience. He has tried hundreds of cases within the Commonwealth's Compulsory Arbitration system.
Honors & awards
The Best Lawyers in America, Commercial Litigation; Mass Tort Litigation/Class Actions - Defendants; Product Liability Litigation - Defendants
2024-2026
Pennsylvania Super Lawyers Rising Star
2013-2021
Pittsburgh Legal Diversity & Inclusion Coalition, Ally-Ready Training Program, 2021
Year joined
2005
Results
Claims Against Bar/Restaurant Dismissed in Dram Shop Action
Hospitality & Liquor Liability
September 24, 2024
The plaintiff spent the afternoon at our client’s restaurant/bar before driving ten minutes to his local Country Club to continue celebrating his birthday. Ninety minutes after he arrived at the Club, he fell down the stairs and suffered a severe brain injury. His Blood Alcohol Content was roughly three times the legal limit. The plaintiff had previously worked as a high-end custom wood finisher but is now unable to see color, among having other deficits, and he is alleged to be fully disabled.
Thought Leadership
On the Pulse...Navigating the New Era of Dram Shop Liability: Marshall Dennehey’s Hospitality & Liquor Liability Practice Group Steps Forward
Pittsburgh
Mount Laurel
Hospitality & Liquor Liability
September 1, 2025
Dram shop liability, or liquor liability, is civil liability-typically for bars and restaurants-for personal injuries arising out of service of alcohol to either a minor or a visibly-intoxicated patron. And it is quite the hot topic these days. Defense Digest, Vol. 31, No.
98 Marshall Dennehey Attorneys Recognized in the 2026 Editions of The Best Lawyers in America and the Best Lawyers: Ones to Watch in America
August 20, 2025
Marshall Dennehey is proud to highlight the firm’s 98 attorneys who have been recognized in the 2026 editions of The Best Lawyers in America and the Best Lawyers: Ones to Watch in America. Less than 6% of all practicing lawyers in the U.S.
Protecting Your Bar From Claims in the Wake of ‘Mortimer’
Pittsburgh
Hospitality & Liquor Liability
February 15, 2023
Employers (Still) Not Liable for Serving Alcohol to Intoxicated Employees
Pittsburgh
Hospitality & Liquor Liability
February 10, 2022
Assessing the Risk of Takeout Alcohol Under the Pa. Dram Shop Law
Pittsburgh
Hospitality & Liquor Liability
February 17, 2021
Classes/Seminars Taught
Serving Safely: Navigating Liquor Liability in Hospitality, Marshall Dennehey Client Webinar, September 16, 2025
Liquor Liability: The Do’s and Don’ts, Marshall Dennehey Client Event, August 2025
Serving Safely: Navigating Liquor Liability in Hospitality, Marshall Dennehey Client Webinar, May 28, 2025
Serving Safely: Navigating Liquor Liability in Hospitality, Marshall Dennehey Client Webinar, February 25, 2025
Liquor Liability Do’s and Don’ts: Implementing a Safe Alcohol Service Program for Resorts, Marshall Dennehey Client Seminar, November 14, 2024
Liquor Liability: The Do’s and Don’ts, Marshall Dennehey Client Seminar, August 2024
Pursuing and Defending Attorney Fee Claims, Allegheny County Bar Association, Pittsburgh, PA, August 30, 2022
The New Marketing Tool-Creating a Podcast that People Want to Hear, Pennsylvania Defense Institute (PDI) 2021 Annual Conference, Bedford Springs, PA., July 16, 2021
Defending Liquor Liability and Hospitality Claims, “On a Roll” Podcast with Nichole Perzel, produced by W.N. Tuscano Agency, March, 2021
What's Trending in Liquor Law? Help Your Bars and Restaurants Mitigate Their Risk, Marshall Dennehey Client Presentation, February 9th, 2021
Voir Dire and Jury Selection in 2020, Allegheny County Bar Association Civil Litigation Section - Webinar, August 18, 2020
Liquor Law and Insurance Needs: Risk Management for Bars and Restaurants, Client Hospitality & Liquor Lines Team Virtual Conference, June 18, 2020
PENNSYLVANIA Liquor Law AND Insurance Needs: Risk Management for Bars and Restaurants, Marshall Dennehey Client Seminar, January 13, 2020
Voir Dire and Jury Selection in Allegheny County, Pennsylvania Defense Institute, December 4, 2019
Civil Litigation Skills Training - Conducting Voir Dire in Allegheny County, Allegheny County Bar Association Civil Litigation Section, April 8, 2019
Jury Selection Process in the Western District of Pennsylvania and the Allegheny County Court of Common Pleas, Women’s Bar Association of Western Pennsylvania, June 21, 2018
Civil Litigation Skills Training - Conducting Voir Dire in Allegheny County, Allegheny County Bar Association Civil Litigation Section, April 5, 2018
Discoverability and Proper Use of Claim Notes, Marshall Dennehey Client Seminar, October 2011