Dennis R. Callahan

Dennis R. Callahan

Personal Injury Litigation - Defendants Product Liability Litigation - Defendants
Recognized in Best Attorney USA since 2016

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.

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.

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Reviews

4.5 / 5

37 Reviews

1,054 Profile Views

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Lucille Roberts

Jan 31, 2026

Dennis R. Callahan did a great job handling my complex Personal Injury Litigation - Defendants law case from start to finish

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...

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Maurice Oberbrunner

Jan 31, 2026

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

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...