Based in Shawnee

Serving all of Oklahoma

Practical solutions to legal issues


James R. Marshall

James R. Marshall is a partner in the law firm of Henson & Marshall, PLLC, Shawnee, Oklahoma. He and his wife, Karen Henson, have practiced law together in Shawnee since 1983. He received his undergraduate degree from the University of Oklahoma in 1972, where he was a member of Phi Beta Kappa. Subsequently, he received a master’s degree in 1976 from Creighton University. He then obtained his law degree from the University of Oklahoma College of Law in 1979, where he was an editor on the Oklahoma Law Review. Main areas of practice include estate planning, real property, and commercial law.

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Jim is a former US Air Force Military Intelligence Officer. After graduating law school, he then served as an active duty Air Force JAG from 1979 to 1983. He continued his service as an Air National Guard Judge Advocate from 1983 through 2006, retiring as a Brigadier General.  During that time, positions he served in included Senior ANG Judge Advocate at Air Mobility Command and Air Combat Command, overseeing Air National Guard attorneys in those commands, worldwide. He provided oversight post 9/11 in those commands on issues including training, mobilization, deployment, and operational law.


Jim is a Trustee of the USAF Judge Advocate General’s School Foundation, Montgomery, Alabama, and serves on the Board of Governors of the Oklahoma Bar Association.


Jim is also involved at a community level and is a past president of the Pottawatomie County Bar Association, past president and current member of the Shawnee Lion’s Club, and a former district chairman of the Boy Scouts.


Jim is admitted to practice in the state courts of Oklahoma, the Western and Eastern United States District Courts of Oklahoma, the United States Tax Court, and the United States Court of Military Appeals. He is a member of the Pottawatomie County, Oklahoma and American Bar Associations.

3 attorneys