Petra K. GrossShareholder | Carlisle Office

Petra K. GrossShareholder | Carlisle Office

Shareholder Attorney Petra K. Gross has been with Martson Law Offices since 2018. Petra joined our firm as a seasoned litigator who focuses her practice in the areas of Criminal Defense and appeals, in both Federal and State Court, as well as in collateral matters that affect clients when criminal charges are filed.



Practice Areas

  • Criminal Defense
  • Appellate Practice
  • Professional Licensing
  • Driver’s License
  • Expungement / Limited Access / Pardon
  • Estate Planning

Bar Admissions

  • Supreme Court of Pennsylvania, 2010
  • United States District Court – Middle District of Pennsylvania, 2018
  • The United States Court of Appeals – Third Circuit, 2021


  • Penn State – Dickinson School of Law, Carlisle, Pennsylvania
    • J.D.
    • Honors: The Order of Barristers
  • Prescott College, Prescott, Arizona
    • B.A. – 2003
    • Major: Experiential Education
    • Major: Philosophy of Religion

Professional Associations and Community Involvement

  • Professional Associations
    • Cumberland County Bar Association (2018 to Present)
      • Criminal Law Committee Member
    • Dauphin County Bar Association (2016 to Present)
      • Lipsitt Inns of Court, Executive Committee Membership Co-Chair
    • Pennsylvania Association of Criminal Defense Lawyers, Advocacy Committee Co-Chair (2010 to Present)
      • Advocacy Committee Co-Chair
    • National Association of Criminal Defense Lawyers (2019 to Present)
    • Pennsylvania Bar Association (2018 to Present)

Representing Central PA for More than 60 years

Martson Law Offices has been serving clients in Central Pennsylvania for more than six decades. Our attorneys have the experience and knowledge you’d find at a big-city law firm, but we also have deep roots in the community and understands the legal issues facing our clients locally.

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