Adam K. Marshall

Adam Marshall’s law practice focuses primarily on business law with specific emphasis on business associations and transactions, private offerings, start-up counseling, tribal business transactions, federal and state brewery licensing and compliance, and estate planning. Adam received his Juris Doctor (with distinction) and Master of Business Administration in May of 2003 from the University of Oklahoma.

In addition to his law practice, Adam is a co-founder of Marshall Brewing Company in Tulsa. Marshall Brewing Company is a production craft microbrewery which distributes craft beer in Oklahoma and surrounding states. In 2007 and 2008, Adam oversaw all the legal matters and many of the business planning aspects of the brewery’s start-up including entity formation, capitalization through a private offering, state and federal licensing, and commencement of manufacturing operations. Adam currently serves as its Vice President and General Counsel dealing largely with state and federal regulatory compliance and strategic business planning.

Adam’s professional associations include the Oklahoma Bar Association, Tulsa County Bar Association, Muscogee (Creek) Nation Bar Association, and the Tulsa Title and Probate Lawyers. He serves as a Trustee and Treasurer of the Tulsa County Bar Foundation. He is a member of the board and Treasurer of the Craft Brewers Association of Oklahoma. Adam is currently serving a three-year term as a member of the board of the Tulsa Regional Chamber. In 2015, he served as Chair of the Tulsa Small Business Connection and Vice-Chair of Small Business for the Tulsa Regional Chamber’s board and executive committee. He is Treasurer of the Carnegie Elementary School Foundation, a member of B.P.O.E (“Elks”) Lodge #946 in Tulsa, and an active adult leader with the Boy Scouts of America, Cub Scout Pack 67. In 2014, the Tulsa Business & Legal News honored Adam as one of twenty Tulsa-area “Power Attorneys & Legal Professionals.” He was honored as one of the 2011 class of Oklahoma Magazine’s “40 Under 40”. Adam was recognized as the 2008 Outstanding Young Lawyer by the Tulsa County Bar Association and served as the 2007-08 Chair of the Young Lawyers Division.

While in law school, Adam served for two years as student clerk for the Hon. Charles S. Chapel of the Oklahoma Court of Criminal Appeals. He also served as Online Editor for the Oklahoma Law Review and is the author of “Oil & Gas Law: Royalty Valuation: Rogers v. Westerman Farm Co.: Burdening Lessees With an Implied Duty to Deliver Gas to a Marketable Location,” 56 OKLA. L. REV. 233(2003).

Practice Areas

Business Services

Estate Planning

Alcohol Beverage Law & Licensing


University of Oklahoma College of Law – JD 2003 (with distinction)
University of Oklahoma Price College of Business – MBA 2003
University of Tulsa – BA 1997 (magna cum laude)

Bar Admissions

Oklahoma, 2003
Muscogee (Creek) Nation, 2008

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