Putting Our Knowledge And Experience To Work For You

At Martens PLLC, we ask individuals every day to put their trust in us to get the best possible outcome. Our experienced team handles a wide variety of practice areas and takes the time to address the legal challenges you are currently facing.

Before opening Martens PLLC, attorney James W. Martens worked as an independent oil industry landman and with a boutique law firm in the Dallas area specializing in energy law, giving him a unique understanding and insight into multiple aspects of oil and gas law. As a lawyer, Jim defends individuals in criminal cases, assists business startups and provides guidance regarding your every estate planning concern.

Jim also helps resolve real estate disputes, assists with probate matters and provides title opinions. He also has represented oil and gas companies and landowners alike throughout North Dakota regarding a wide range of mineral and surface title disputes.

Whether defending individuals following a criminal or DUI/DWI arrest, assisting a family with administering a loved one’s estate or representing a mineral owner in a quiet title dispute, we will put in the time and dedication to provide you with the best possible result.

Contact us today if you need legal assistance with any of the following:

  • Criminal Law
    • DUI/DWI
  • Oil & Gas Law
  • Probate & Estate Administration
    • Estate Planning/Wills & Trust
  • Real Estate Law

Call today at 701-223-2000 to arrange your free initial consultation.

Attorney James W. Martens

Bar Admissions:

  • North Dakota
  • U.S. District Court District of North Dakota


  • University of North Dakota School of Law, Grand Forks, North Dakota
    • J.D.
  • Concordia College
    • B.A.

Professional Memberships and Achievements:

  • State Bar Association of North Dakota (SBAND), Real Property, Probate & Trust Section
  • State Bar Association of North Dakota (SBAND), Criminal Lawyers Section
  • North Dakota Association of Criminal Defense Lawyers
  • Landman’s Association of North Dakota (LAND)
  • National Association of Criminal Defense Lawyers (NACDL)
  • National College for DUI Defense (NCDD)
  • DUI Defense Lawyers Association (DUIDLA)
  • American Association of Professional Landmen (AAPL)
  • Bruce M. Van Sickle American Inn of Court
  • National Federation of Independent Business (NFIB)

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