We are a national defense litigation law firm.

Find an Attorney Browse Practice Areas

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.

Governmental Liability

Our governmental liability defense team represents municipalities, law enforcement agencies, law enforcement officers, school districts, administrators, teachers, and governmental agencies at the state, federal and local level, encompassing practically every aspect of governmental liability involving governmental entities and employees in State, Federal and Appellate Courts, as well as administrative agencies.

Read More

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.

Read More