About
Marianne Oyerhavn Knudson is a Grand Forks lawyer and partner whose practice spans insurance defense, personal injury, family law, civil litigation, and appeals. Her work includes insurance bad faith, fire litigation, medical malpractice, and employment litigation. She represents clients in disputes involving injuries, insurance coverage, workplace issues, and family matters. Her practice combines trial-level advocacy with appellate work across a broad range of civil cases.
Marianne earned a Candidata Juris from the University of Oslo in Norway. She later earned a J.D., with distinction, from the University of North Dakota School of Law. During her Norwegian legal studies, she completed a thesis comparing corporate veil-piercing principles under Norwegian and American law. She participated in Moot Court at North Dakota and received the Best Appellee Brief award. Her academic training supports detailed analysis of complex litigation and appellate issues.
Marianne gained practical experience as a law clerk during her final year of law school before joining private practice as an associate. Her work covers insurance defense, personal injury claims, insurance bad faith, fire litigation, medical malpractice, employment disputes, and family law. She handles civil litigation and appellate matters involving varied legal and factual issues. She is admitted in North Dakota and Minnesota and before the US District Court for the District of North Dakota.
Marianne Oyerhavn Knudson is a member of the State Bar Association of North Dakota, Minnesota State Bar Association, and Greater Grand Forks Bar Association. Her background includes legal education in Norway and the US, along with litigation experience across state and federal forums. She brings a broad perspective to insurance, injury, employment, family, and appellate matters while helping clients address disputes through practical legal analysis and advocacy.
Law Office Affiliations
- Partner, Pearson Christensen, PLLP
- Member, State Bar Association of North Dakota
- Member, Minnesota State Bar Association
- Member, Greater Grand Forks Bar Association
Licensed State
- North Dakota
- Minnesota
Education
- University of North Dakota
Juris Doctor (JD)



- Adoption
- Child Custody
- Child Support
- Divorce & Separation
- Marriage & Prenuptial Agreements
- Paternity
- Car Accidents
- Motorcycle Accidents
- Products Liability
- Slip & Fall Accidents
- Trucking Accidents
- Wrongful Death
- Appeals
- Insurance Defense





