Thompsontown Law Offices

Martson Law Offices

621 West Main Street
PO Box 300
Thompsontown, PA 17094

Map & Directions

8:00am – 5:00pm Mondays, Tuesdays, Thursdays & Fridays
*Appointments can also be scheduled on other days of the week
*Evening and weekend appointments available


About Martson North

Our branch office is located at 621 West Main Street, Thompsontown, Pennsylvania.

Martson North opened on January 3rd, 2017, and is a full-service law firm located in the heart of Thompsontown.

Providing Comprehensive Legal Services to Individuals and Corporate Clients

  • business and transactional matters
  • personal injury
  • family law
  • criminal defense
  • estate & financial planning
  • asset transition & preservation
  • real estate – protection, settlements, title work, transfers, easements
  • land use
  • litigation
  • workers’ compensation
  • alternative dispute resolution

Seth Mosebey, Esquire, a shareholder with Martson Law Offices, manages the Martson North branch. Seth grew up in the Oakland Mills area. He is a 1999 graduate of East Juniata High School and graduated summa cum laude and with University Honors from Susquehanna University in 2003. In 2006, Seth graduated from The Pennsylvania State University Dickinson School of Law. He serves as a member of the Board of Directors for the Mifflintown Rotary Club, Juniata County Historical Society, and Juniata County Conservation District. In 2016, he was also appointed to serve as a Hearing Committee Member serving the Disciplinary Board of the Supreme Court of Pennsylvania. Seth resides in Delaware Township with his wife and two children.