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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.

Environmental Toxic Tort Litigation and Coverage

Deasey, Mahoney and Valentini defends environmental, chemical exposure, asbestos and other "toxic tort" claims including contamination due to discharge, leak, spill or mishandling, inhaled, ingested or otherwise absorbed, or a contamination of the air, ground or water.

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DMV Obtains Dismissal of Municipality from FHA and ADA Claims

Rufus Jennings recently successfully argued for the dismissal of a claim under the Fair Housing Act and Americans with Disabilities Act on behalf of a municipal client.  The claim concerned the installation of a mobile home in a resident’s driveway to be used as an...

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