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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.

Liquor Liability/Dram Shop

Our attorneys have extensive experience representing members of the hospitality and liquor industry in dram shop litigation, including restaurants, taverns, hotel properties and entertainment venues. We have successfully defended bars, taverns, hotels and social organizations, as well as dram shop claims arising from motor vehicle accidents, assaults and other alleged wrongdoing by patrons of alcohol serving establishments.

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Matthews v. Anthony’s Landscaping and Tree Company

On December 16, 2019, the Honorable Messiah Jackson of the Philadelphia Court of Common Pleas entered summary judgment in favor of Anthony’s Tree and Landscaping Company in a negligence action based upon Anthony’s Tree and Landscaping’s work performed on a tree located on a Prospect...

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