W. Jason Hartwig

Courtney K. Warmington is an advisory director in Crowe & Dunlevy’s Labor and Employment Section. Since joining the group in 1999, Ms. Warmington has successfully represented management in cases brought by employees under Title VII of the Civil Rights Act, the Americans With Disabilities Act, the Age Discrimination in Employment Act, the Family and Medical Leave Act, Oklahoma’s Workers’ Compensation laws, and the Fair Labor Standards Act. In addition to her litigation pr...

Gary W. Derrick specializes in corporate and securities law, including mergers and acquisitions, ’34 Act reporting, private equity and debt financing, venture capital financing, business formation and restructuring, corporate governance, and general business contracts. His clients are in oil and gas, technology, hospitality, agriculture, manufacturing, retail and professional services.

Sam Fulkerson’s practice is focused on the representation of management in all phases of the employment relationship, including litigation before federal and state courts, regulatory and administrative agencies, and in arbitration matters. He also handles litigation matters involving the enforcement of non-competition and confidentiality agreements, breach of employment contracts, handbook and personnel policy violations, wage and hour disputes, and other disputes arising out of the emp...

R. Ryan Deligans began practicing law in 2003 and received his Juris Doctorate from the University of Oklahoma College of Law where he was honored as the Outstanding Graduate in the area of Trial Practice and Procedure. His practice has been focused on complex litigation involving Insurance Law, Manufacturer’s Product Liability, and cases involving catastrophic injury or death. Ryan is annually selected by his peers for inclusion in Super Lawyers Magazine. He has been selected as a Top ...

Mark E. Bialick entered the practice of law in 1981. His practice centers upon complex civil litigation, and, over the course of his nearly forty-year career, Mark has litigated and tried to verdict several of the State of Oklahoma’s seminal cases in the areas of insurance, particularly with respect to the duty of good faith and fair dealing, as well as cases involving catastrophic injuries and wrongful death. In 2006, Mark was inducted as a fellow in the American College of Trial Lawye...

Matthew Panach is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Matthew practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Matthew Panach since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Matthew Panach is held by other lawyers.

Len Cason is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Tax Law and Trusts and Estates. Len practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Len Cason since 1993. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Len Cason is held by other lawyers.

Over 30 years representing defendants in business and complex litigation, including commercial and employment disputes, securities, class action and antitrust cases. Has lectured in the areas of trial practice, civil procedure, and insurance law. Former President of the Oklahoma County Bar Association, 2007-08.

Micah L. Adkison is a lawyer recognized by Best Lawyers in the practice areas of Energy Law and Oil and Gas Law. Micah L. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Micah L. Adkison since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Micah L. Adkison is held by other lawyers.

James (“Jim”) K. Larimore began practicing law in 1974. Jim is an experienced and highly regarded corporate and real estate lawyer whose practice consists of assisting clients in a variety of business matters, including corporate and real estate transactions as well as complex commercial litigation. His practice also includes extensive work in the areas of probate and trust litigation. Jim’s achievements have earned him inclusion on The Best Lawyers in America list of &ldquo...