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

1,050 Profile Views

Joyce Mertz

Jan 31, 2026

So glad I called Dennis R. Callahan to handle my Personal Injury Litigation - Defendants law case in Philadelphia

I wasn't sure who to call for my Personal Injury Litigation - Defendants law problem, but I'm so glad I went with Dennis R. Callahan. They really listened to me and understood my situation. It was suc...

Becky West

Jan 31, 2026

A huge weight off my shoulders thanks to the amazing work of Dennis R. Callahan

Everyone at Dennis R. Callahan's office in Philadelphia was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never fe...

Gene Mayer

Jan 31, 2026

So happy with the results of my case thanks to the hard work of Dennis R. Callahan and staff

Short and sweet: Dennis R. Callahan is the real deal and a true professional in the field of Personal Injury Litigation - Defendants law. If you're in Philadelphia and need help with your legal issues...

Charlotte Fritsch-Strosin

Jan 31, 2026

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

Honestly, I can't thank Dennis R. Callahan enough for everything they've done for me. They really know their stuff when it comes to Personal Injury Litigation - Defendants law and it shows in the resu...

Ronnie Rath

Jan 31, 2026

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

I've worked with a few lawyers in Philadelphia over the years, but Dennis R. Callahan stands out for their honesty and thoroughness. They were clear about the process and kept me updated at all times....