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Deasey, Mahoney & Valentini is a well-established national defense litigation law firm headquartered in Philadelphia.

Our clients benefit from our litigators’ collective experience in a variety of practice areas. For each matter they handle, senior litigators provide personal attention during all phases of representation and deliver exceptional, responsive service at a reasonable cost. 

In short, our attorneys strive to craft and deliver a superior product.

Construction Site Injury

For over 30 years, our attorneys have defended a wide range of construction-related injury claims throughout the United States and in Puerto Rico. Within this specialty area, Deasey, Mahoney & Valentini lawyers have successfully defended a variety of concerns within the construction industry. Our experience in defending a host of different claims provides us with a unique insight and ability to aggressively represent our clients.

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Congratulations to our 2019 PA Super Lawyers & Rising Stars!

We are once again proud to announce that Deasey, Mahoney & Valentini is home to a number of attorneys who have been selected for inclusion on the lists for 2019 PA SUPER LAWYERS and RISING STARS.  The attorneys who have been selected for this special recognition as Super Lawyers are: Francis J. Deasey, Gerald J. Valentini, John P. Morgenstern, and Matthew J. Junk and for Rising Stars: Athena O. Pappas and Leanna B. Ruotanen.

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