Dennis R. Callahan

4.5 (37 reviews )

Philadelphia Pennsylvania United States

Personal Injury Litigation - Defendants Product Liability Litigation - Defendants

Recognized in Best Attorney USA since 2016

215-836-1100 Website

About Dennis

Dennis has a special interest in disputes involving technical or scientific issues where he can utilize his engineering training. That technical training is also at the heart of his methodical and structured approach to representing his clients. His practice includes the defense of manufacturers, retailers, and property owners in a variety of product liability, pharmaceutical, and premises liability actions. In addition, Dennis represents businesses in commercial litigation, contract disputes, and business-related tort claims, and he has significant experience with the complex legal and factual issues that arise in retrospective and loss-sensitive insurance premium collection disputes.

Practice Areas

Personal Injury Litigation - Defendants

Product Liability Litigation - Defendants

Education

Syracuse University

Cornell University

Professional Affiliations

Awards & Recognition

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Reviews

4.5 / 5

37 Reviews

1,048 Profile Views

Robert Stehr

Jan 31, 2026

Excellent legal representation provided by Dennis R. Callahan for my Personal Injury Litigation - Defendants law case

Super helpful and professional staff at Dennis R. Callahan's office. Thanks again for everything you did for me! It was a long journey, but you made it much easier with your constant support and legal...

David Rau

Jan 31, 2026

Highly recommend Dennis R. Callahan for anyone needing expert Personal Injury Litigation - Defendants law help in Pennsylvania

If you're looking for someone who actually cares and will fight for you, go to Dennis R. Callahan. They helped me out big time with my Personal Injury Litigation - Defendants law issue and kept me inf...

Matt Sauer

Jan 31, 2026

The absolute best in Philadelphia for Personal Injury Litigation - Defendants law - and I mean that from the bottom of my heart

I was really stressed about my case in Philadelphia, but Dennis R. Callahan made everything so smooth and stress-free. Seriously, the best decision I've made lately was hiring them. They handled every...

Russell Hermiston

Jan 31, 2026

A very good experience overall with the entire team at Dennis R. Callahan's legal practice

It's hard finding a reliable lawyer these days, but Dennis R. Callahan in Philadelphia is definitely one of the good ones. Would use them again if needed without hesitation. They are professional, res...

Darrin Yundt

Jan 31, 2026

Many thanks to Dennis R. Callahan for the hard work and dedication to my legal matter

If you need a Personal Injury Litigation - Defendants law lawyer, Dennis R. Callahan is the one to call. Great job and very responsive team. They kept me in the loop and always had time to explain the...