McDonnell & Associates


King of Prussia, PA


Cherry Hill, NJ


— A group of dedicated, diverse & experienced legal professionals



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MCDA Law Firm


Pennsylvania and New Jersey Lawyers

Committed to Quality Representation 


At the Law Offices of McDonnell & Associates, we provide exceptional client service to individuals and businesses in New Jersey and Pennsylvania. We are a 14 attorney litigation boutique with the experience of a large law firm. Our New Jersey and Pennsylvania employment litigation and personal injury lawyers represent plaintiffs and defendants in employment law, personal injury, products liability and commercial litigation.

The McDonnell & Associates team is devoted to personalized services for each client including innovative billing and work techniques. Every client whether an individual or large corporation has specialized needs which can be met by our diverse team. Our team of lawyers has experience as litigators and drafting complex legal documents. Our team also has judicial experience. McDonnell & Associates brings the right team to your case to guide you through the legal process and help you make economically prudent decisions with regard to resolution of your case.

Seasoned Trial Lawyers

Our lawyers are aggressive and seasoned trial attorneys. In that regard, the firm's attorneys have tried more than 120 jury trials to verdict within the past ten years, most of them in the United States District Court for the Eastern and Middle Districts of Pennsylvania and the District of New Jersey. The attorneys are experienced as well with the practices and procedures of the various state courts around Philadelphia, including South Jersey. The firm also maintains an active appellate practice and regularly appears before the United States Court of Appeals for the Third Circuit and the Superior Courts of Pennsylvania and New Jersey.

Dedicated to Diversity

Our law firm actively promotes women and minorities in its hiring and promotional practices, and is committed to various diversity groups. This commitment is exemplified in our lawyers and equity partners who are minorities and/or women.

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AV Martindale-Hubbell Peer Review Rated

MCDA has an attorney who is a New Jersey Supreme Court Certified Trial Lawyer: Patrick J. McDonnell 

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The Law Offices of McDonnell & Associates serves clients throughout Pennsylvania and southern New Jersey in communities such as Philadelphia, King of Prussia, Harrisburg, Lancaster, Reading, Allentown, Scranton, Cherry Hill, Camden, Millville, and Atlantic City.



Metropolitan Business Center
860 First Avenue, Unit 5B
King of Prussia, PA, 19406
Phone: 610-337-2087
Fax: 610-337-2575

500 Marlton Pike West
Cherry Hill, NJ 08002
Phone: 856-429-5300
Fax: 856-429-5314