Kristin M. Simpsen

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 ...

J. Christian Guzzy is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Tax Law. J. Christian, who practices law in Oklahoma City, Oklahoma, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J. Christian is held by other top lawyers in the same geographic and legal practice area.

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.

Mark R. McPhail is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Real Estate. Mark R., who practices law in Oklahoma City, Oklahoma, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark R. is held by other top lawyers in the same geographic and legal practice area.

David B. Donchin’s practice includes Insurance Law, Complex Litigation, Personal Injury Law, Products Liability, Employment Law, Environmental Law, and Medical Malpractice. In addition to his legal practice, David has served as an Adjunct Professor for Trial Practice at the University of Oklahoma College of Law and as a member of the faculty of the Southern Region of the National Institute of Trial Advocacy. David served as the Managing Director of Durbin Larimore Bialick from 2014 to 2...

Eric is a partner in the firm's Oklahoma City office and Editor in Chief of CounselorLibrary.com's Spot Delivery publication. He assists national and state banks, savings associations, credit unions, mortgage bankers, other licensed lenders, motor vehicles dealers and automotive finance companies in the development and maintenance of nationwide consumer mortgage and automobile finance programs; online motor vehicle sales programs; litigation funding programs; and electronic payment programs. ...

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...

John J. Griffin III is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Closely Held Companies and Family Businesses Law, Commercial Transactions / UCC Law, Corporate Law, Litigation - Real Estate, Mergers and Acquisitions Law and Real Estate Law. John J., who practices law in Oklahoma City, Oklahoma, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high e...

Gerald (“Jerry”) E. Durbin, II began his legal career in 1971. Over the past 45 years, Jerry’s practice has concentrated in the area of complex civil litigation. He has represented many national insurers and individuals in obtaining some of the most significant verdicts rendered in the State of Oklahoma. In 2010, Jerry was elected as a fellow in the prestigious American College of Trial Lawyers, a recognition reserved to the top 1% of trial lawyers in each state. Jerry has a...

Steven J. Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Steven J., who practices law in Oklahoma City, Oklahoma, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven J. is held by other top lawyers in the same geographic and legal practice area.