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Sean Quinlan

Attorney Quinlan has practiced law in Pennsylvania since 2001. He earned his J.D. at Widener University School of Law in Harrisburg, PA, and earned his B.A. at Bloomsburg University in Bloomsburg, PA.

He is a member of the Pennsylvania Bar. He also belongs to the Pennsylvania State Bar Association. Mr. Quinlan has guided hundreds of clients through both criminal and bankruptcy courts, resulting in acquittals and the discharge of hundreds of thousands of dollars of debt. Additionally, he has experience as a county and state prosecutor at government agencies, including the York County District Attorney's Office where he worked as a senior prosecuting attorney in the Crimes Against Children Unit. Attorney Quinlan also practiced in the Pennsylvania Governor's Office of General Counsel under two governors where he prosecuted on behalf of the Commonwealth's licensing boards in the Bureau of Professional and Occupational Affairs.

Attorney Quinlan coaches his son's basketball, soccer and little league baseball teams and proudly serves as a trustee to the Fredricksen Public Library.

Recent Blog Posts


  • Knowledgeable, Reliable Lawyer

    “Sean did an amazing job with my case. When we met for the first time, he was very friendly and understanding. He made me feel very comfortable. He answered all my questions and was available anytime I needed him- by his work number, cell phone or even email. He had many ideas and avenues to take...
  • Excellent Attorney

    “Sean was a great asset to us in our legal matter. He was professional, understanding, and very caring. He was quick to answer and communication and was anxious to help walk us through the whole process. I would recommend him to anyone in need of his service.”
  • Very Pleased

    “I was very pleased with how well Sean kept me informed & always answered my questions promptly. If I ever need another lawyer, I will definitely be calling his office.”
  • One of the Best

    “Sean was very helpful in answering any questions I had and helped me get a great result. I felt confident that he cared and wanted to see the best outcome for me. Very professional and provided me with confidence that he was working on my behalf. Definitely one of, if not the best in the Harrisb...

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Quinlan Law Group, LLC is committed to answering your questions about DUI and Criminal Defense law issues in Dauphin County, Cumberland County and York County, PA.

We'll gladly discuss your case with you at your convenience. Contact us today to schedule an appointment.