Henry "Hank" Herren

Jessica Hatcher is a lawyer recognized by Best Lawyers in the practice areas of Energy Law and Oil and Gas Law. Jessica practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Jessica Hatcher 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 Jessica Hatcher is held by other lawyers.

Michael J. Heron is a Partner in our Oklahoma City office with over 30 years of legal experience. He specializes in protecting the rights of individuals and businesses in civil cases involving medical malpractice, professional liability, construction, transportation, and insurance matters. Mike represents hospitals, practice groups, physicians, nurses, and other health care professionals in a wide range of litigation, policies and procedures, compliance, investigations, business transactions,...

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 ...

Erin Oakley is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Erin practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Erin Oakley since 2026. 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 Erin Oakley is held by other lawyers.

I did not always know that I wanted to become an attorney. After graduating from the University of Oklahoma with a degree in psychology, I was still searching for a meaningful career path. I decided to take time to explore my interests and moved to New York for a year. While there, I observed a law school class with a friend, an experience that sparked my interest in the law. That moment led me to prepare for the LSAT and ultimately enroll at Touro Law School. Law school proved to be a transf...

Adam R. Banner is an Oklahoma City criminal defense attorney whose practice is devoted to representing individuals facing serious criminal charges, investigations, trials, and appeals in Oklahoma state and federal courts. He is the founder of The Law Offices of Adam R. Banner, P.C., which also operates under the trade name Oklahoma Legal Group , and represents clients throughout Oklahoma in complex and high-stakes criminal matters. Banner has extensive experience defending serious felony case...

Amy J. Sine is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Trusts and Estates, Nonprofit / Charities Law and Trusts and Estates. Amy J. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Amy J. Sine since 2003. 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 Amy J. Sine is held by other lawyers.

Practice Areas Insurance Defense and Litigation ; Construction and Architectural Law ; Premises Liability; Personal Injury and General Civil Litigation Memberships and Affiliations Admitted to bar, Oklahoma (1987), Vermont (1988) Oklahoma County, Cleveland County and Oklahoma Bar Associations Member, sections on Civil Procedure, Evidence, Professionalism and Communications Education and Background Born Portland, Maine (1958) University of Oklahoma (B.A., 1983) University of Oklahoma (J.D., 1987)

John D. Robertson is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Mergers and Acquisitions Law and Securities / Capital Markets Law. John D. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized John D. Robertson since 2007. 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 John D. Robertson 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.