Jonathan H. Feinberg

Mr. Feinberg focuses his practice on civil rights litigation and criminal defense. He is an experienced trial lawyer and appellate litigator, having successfully tried cases and argued appeals in both state and federal court. Mr. Feinberg is an established expert in numerous areas of law in the civil rights and criminal defense fields.  In the civil rights arena, he specializes in cases involving wrongful convictions and prosecutions of innocent persons, the excessive use of force by police and correctional officers, the unconstitutional denial of medical care to incarcerated and detained people, and abuses of noncitizens in the immigration system. In the criminal defense practice area, Mr. Feinberg has extensive experience litigating federal habeas corpus matters and state post-conviction challenges to  convictions and prison sentences.

Mr. Feinberg is an active participant and leader in the National Police Accountability Project (NPAP), the country’s most prominent organization of legal professionals focused on law enforcement misconduct. He has served as a member of the organization’s board of directors since 2013, and, in October 2023, was appointed as its president.

Mr. Feinberg frequently lectures at continuing legal education courses and to law students on a variety of issues related to civil rights law and criminal defense practice.  In the 2007-08 academic year, Mr. Feinberg served as an adjunct faculty member in the University of Pennsylvania Law School Civil Practice Clinic, and, in 2022, he returned to the classroom at the University of Pennsylvania Law School as an adjunct instructor, teaching a class he created regarding the litigation of civil rights cases in the law enforcement context.

In addition to his volunteer service with NPAP, Mr. Feinberg regularly consults for and co-counsels with local public interest organizations, including the ACLU of Pennsylvania, the Pennsylvania Innocence Project, and the Abolitionist Law Center, as well as national advocacy groups, including the National Immigration Litigation AllianceAmerican Immigration Council, and the National Immigrant Justice Center. 

Mr. Feinberg is a 2001 summa cum laude graduate of the University of Pennsylvania Law School where he was awarded the Best Oralist prize in the prestigious Edwin R. Keedy Cup moot court competition.  After completing a judicial clerkship with the Honorable Jan E. DuBois of the U.S. District Court for the Eastern District of Pennsylvania, Mr. Feinberg joined the firm in September 2002 and was promoted to partner in 2006.

Contact Mr. Feinberg

  • J.D., University of Pennsylvania Law School, 2001, summa cum laude
  • B.A., Penn State University, 1997
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