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.

Insurance Coverage

We provide experienced counsel to insurance companies regarding insurance coverage issues and litigation, regularly prosecuting and defending declaratory judgment actions, and claims for additional insured coverage within the context of construction accidents and leased premises. We provide detailed, thorough and accurate coverage opinions, and draft tender requests and declination of coverage letters on behalf of our insurance carrier clients. We have experience with a variety of insurance policies and coverages, including Commercial general liability (CGL), Excess & umbrella, Employer’s liability, Employment practices liability, First-party coverage, Directors & officers liability insurance (D&O), Errors & omissions insurance (E&O), Professional liability, Homeowners and Property and casualty.

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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 received this special recognition are:...

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