Theresa Kellington | Bismarck Family Law Lawyer

A native of Bismarck, North Dakota, Theresa Kellington graduated from San Diego State University in 1989 with a degree in Criminal Justice Administration.  Theresa continued on to the University of the Pacific – McGeorge School of Law, where she graduated with honors in 1992, passing the CA State Bar exam the first time.

Upon graduation from law school, Theresa joined a law firm in California, where she opened a civil litigation department and worked for 3 years.  After the birth of her daughter in 1995, Theresa moved back to Bismarck to be closer to her family.  Soon after, Theresa began working with Pearce Durick and American Legal Services.  

In 2012, Theresa joined Dan Oster, and together they established Kellington & Oster, P.C.

Theresa loves family involved cases, business planning, and estate planning. She states, “Working with family law can be stressful, but I love to feel like I’m doing something right.”
As a pro bono attorney of the year in North Dakota, Theresa hopes to become a Judge in the future.

Position	Organization	Location	Duration
Attorney	Kellington and Oster, PC	Bismarck, ND	Present

School	Degree	Major	Graduation
McGeorge School of Law, University of the Pacific	J.D.	Law School	1992
San Diego State University	Bachelors		1989

State / Court	Date
North Dakota	1995
California	1992

• Member | North Dakota State Bar Association

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
	9:00 am - 5:00 pm	9:00 am - 5:00 pm	9:00 am - 5:00 pm	9:00 am - 5:00 pm	9:00 am - 5:00 pm

Theresa Luan Kellington has been a Premium Member since February 08, 2019.
Lawyers with longer memberships tend to have more experience so we use the Membership date to help prioritize lawyer listings on search pages.

Verified Credentials	Date Verified
(1992) Licensed as Attorney in California. Verified with California Bar Association.	February 08, 2019
(1995) Licensed as Attorney in North Dakota. Verified with State Bar Association of North Dakota.	February 08, 2019

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