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

1,053 Profile Views

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Sam Volkman

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...

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Christine Graham

Jan 31, 2026

Outstanding experience with Dennis R. Callahan in Philadelphia - truly the best legal team

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...

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Dan Zemlak

Jan 31, 2026

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

Solid experience overall with the law firm of Dennis R. Callahan. They know Personal Injury Litigation - Defendants law inside and out and gave me great advice. Very helpful and got the job done exact...

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Violet Barton

Jan 31, 2026

Reliable lawyer you can count on - Dennis R. Callahan provided excellent service throughout

I appreciate how Dennis R. Callahan handled my case. No fluff, just straight to the point and very effective representation for my Personal Injury Litigation - Defendants law matter. They are obviousl...

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Lynda Feeney

Jan 31, 2026

Great people who truly care at Dennis R. Callahan - the best legal team in Pennsylvania

Dennis R. Callahan has been doing this since Recognized in Best Lawyers since 2016, and it definitely shows in their work. They're pros through and through and I wouldn't trust anyone else with my leg...