Jonathan D. Marx, PLLC

About Jonathan D. Marx, PLLC

Attorney Jonathan D. Marx is a founding partner at KaplunMarx, where his primary focus is helping people injured as a result of an accident. Jon is a lifelong Philadelphia area resident, living in center city and now in Montgomery County, Pennsylvania. Jon attended Penn State University where he completed his undergraduate work and then graduated from Brooklyn Law School. He then obtained his license to practice law in 1986 with bar admission in both Pennsylvania and New Jersey.

Jon has been a Plaintiff’s personal injury lawyer since day one, trying his first case only a few months after passing the bar. Jon has been practicing law for over 35 years, he has tried... Read More

Attorney Jonathan D. Marx is a founding partner at KaplunMarx, where his primary focus is helping people injured as a result of an accident. Jon is a lifelong Philadelphia area resident, living in center city and now in Montgomery County, Pennsylvania. Jon attended Penn State University where he completed his undergraduate work and then graduated from Brooklyn Law School. He then obtained his license to practice law in 1986 with bar admission in both Pennsylvania and New Jersey.

Jon has been a Plaintiff’s personal injury lawyer since day one, trying his first case only a few months after passing the bar. Jon has been practicing law for over 35 years, he has tried hundreds of cases, and gotten clients millions of dollars in recovery for their injuries.

His experience and knowledge in handling catastrophic personal injury cases is second to none.

Jon has been voted a Top 100 Trial Lawyer by the American Society of Legal Advocates, and achieved a perfect 10.0 rating on legal ranking site avvo.com – but he is most proud of the great reviews he has received from his clients. These reviews and results speak volumes to his qualities as a trial lawyer. While Jon is based in our Montgomery County, Pennsylvania office, he is available to handle catastrophic injury cases throughout Pennsylvania and New Jersey.

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Education

Brooklyn Law School, Brooklyn, New York

Juris Doctor

Penn State University, State College, Pennsylvania

Bachelor of Arts

Major: Arts and Sciences

Beta Sigma Beta – Member

License

State:

Year:

Next Registration: Apr, 2025

Bar Admissions

Pennsylvania

New Jersey

U.S. District Court, Eastern District of Pennsylvania

U.S. District Court, Middle District of Pennsylvania

U.S. District Court for the District of New Jersey

Bar Admissions

Pennsylvania

New Jersey

U.S. District Court, Eastern District of Pennsylvania

U.S. District Court, Middle District of Pennsylvania

U.S. District Court for the District of New Jersey

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Languages

English