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Mark B. Frost

Attorney Profile

Top Rated Civil Rights Attorney in Philadelphia, PA

Mark B. Frost & Associates
1515 Market Street, Suite 1300
Philadelphia, PA 19102
Phone: 215-970-2550
Fax: 215-351-3332
Selected to Super Lawyers: 2016 - 2022
Licensed in Pennsylvania Since: 1974
Practice Areas: Civil Rights (60%), Employment & Labor: Employee (40%)
Attorney Profile

Attorney Mark B. Frost is the founder and principal of Mark B. Frost & Associates in Philadelphia, Pennsylvania. A highly rated trial attorney, Mr. Frost has more than 46 years of legal experience, and he provides invaluable counsel and support to a diverse range of clients throughout Pennsylvania and the surrounding areas of New Jersey and Delaware who are dealing with complex and pressing civil disputes involving any of the following:

· Civil rights violations, such as infringements of freedom of speech, religion and other constitutional rights

· Employment law matters, including workplace discrimination, sexual harassment and other serious grievances

· Prisoner rights

· Due process violations

· Police misconduct

· Malicious prosecution

Over the course of his legal career, Mr. Frost has secured millions of dollars in settlements and verdicts for his plaintiff clients, and in 2016, he successfully argued before the U.S. Supreme Court to obtain a favorable ruling that expanded the First Amendment rights of millions of employees across the United States. He also regularly handles cases involving high-profile police and prison misconduct, and he has become a champion in defending his clients against political and union First Amendment retaliation cases.

In recognition for his outstanding professionalism and service, Mr. Frost has earned a Lawyers of Distinction designation along with consistent other top rankings and endorsements from his peers. He has also received many positive reviews and referrals from his satisfied clients for his unwavering focus on helping them achieve the justice they deserve.

A 1968 graduate of Rutgers University, Mr. Frost served with the U.S. Marine Corps from 1969 to 1972. He then attended Cleveland-Marshall College of Law, where he obtained his Juris Doctor in 1974. It was during his time in law school that Mr. Frost developed a passion for civil rights, and he completed an internship with the American Civil Liberties Union and helped to prepare and try a disability discrimination case on behalf of a blind social worker.

Practice Areas
  • 60%Civil Rights
  • 40%Employment & Labor: Employee
Focus Areas

Race Discrimination, Discrimination, Employment Law - Employee, Unions, Whistleblower, Sexual Harassment


7 Years Super Lawyers
  • Super Lawyers: 2016 - 2022

About Mark B. Frost

First Admitted: 1974, Pennsylvania

Professional Webpage:


  • Heffernan v. City of Paterson in the U.S. Supreme Court
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Office Location for Mark B. Frost

1515 Market Street
Suite 1300
Philadelphia, PA 19102

Phone: 215-970-2550

Fax: 215-351-3332

Last Updated: 12/29/2020

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