We are a national defense litigation law firm.

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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.

Civil Rights

Deasey, Mahoney & Valentini attorneys have been counseling and defending public entities in civil rights matters for 25 years, successfully defending civil rights claims brought against all manner of public entities officials and employees from claims arising out of alleged constitutional violations to municipal polices, training and supervision and range of other civil rights issues.

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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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