Hanna Lawyers

At the Cosby Law Firm, PLLC, in Tahlequah, Oklahoma, we are dedicated to serving our clients with professionalism, integrity and a high degree of quality. We have guided our clients through the Oklahoma legal system for more than 10 years. We will take the time to understand your goals and work hard to achieve them. Our firm practices in Federal, State, Cherokee Nation and City courts.

If you have a legal problem call 918-458-0069 or contact us online to schedule a free initial consultation.

David L. Sobel has experience in trials, commercial controversies and personal representation of individuals. David has a wide array of foreign clients and enjoys assisting them with their business and immigration concerns. Visit www.sobelerwinlaw.com for more information.

Kassidy graduated from the University of Tulsa College of Law in May of 2019. During her time there, she was actively involved in the Board of Advocates, Women’s Law Caucus, PAW Law, and the Student Bar Association. In her second year of law school, Kassidy successfully represented victims of domestic violence in protective order proceedings through her participation in the Boesche Legal Clinic.

After graduation, Kassidy was admitted to the Oklahoma Bar in September of 2019. She initially joined Shook & Johnson as a law clerk in July of 2017 and upon passing the bar she became an Associate Attorney...

Business law; mergers & acquisitions; oil & gas law; commercial real estate

Sherri K. Anderson is a lifelong Oklahoma resident, and had worked primarily in the accounting and tax fields until her decision to go to law school in the fall of 2001. She graduated from the University of Tulsa's College of Law with her Juris Doctor in May of 2004, and continued working in the accounting field while studying for the bar exam. Admitted to the Oklahoma Bar in April of 2005, Sherri also holds a Bachelor of Business Administration in Accounting from what was then the University Center at Tulsa, Langston. In...

After going to law school specifically to practice family law, Courtney's sole focus at Cornell Law Firm is representing clients in divorce, parentage, guardianship, child custody, child visitation, and child support cases.

Given her special talent of seeing into the heart of the situation, Courtney focuses on guiding spouses, parents, and families through the tough transition that a family case always entails, both emotionally and legally. Clients count on Courtney to be a safe place for them to work through their major life change, and trust her to give them the advice and guidance they need to make the...

Penni Skillern, Esq. was born and raised in Phoenix, Arizona until she relocated in high school and graduated from Bartlesville High School in Oklahoma. She went to the University of Tulsa and graduated Magna Cum Laude with a B.A. in Law & Society and a minor in History. Penni enrolled at the University of Tulsa College of Law, where she excelled in Property, Native American law, and Oil and Gas law. She took a particular interest in Wills and Trust law, since it combined her love of history and property with law. Penni focuses her practice on helping individuals...

From ancient times the court of law has been about equality and impartiality as much as it has been about justice. Lady Justice is the best known symbol of this with her blindfold to ensure impartiality, her scales to weigh the arguments and her sword to bring justice. These are the qualities that made me want to become an attorney. As Thomas Jefferson said, “Equal rights for all, special privileges for none.” Many people often find the idea of speaking to an attorney a daunting task. I want to erase those fears by “translating” legalese into English for my...

Mr. Gregory graduated with a Bachelor of Business Administration Finance degree in 2001. After graduation, Mr. Gregory enjoyed work as a Financial Analyst for American Airlines and as a Field Auditor for Transamerica. While Mr. Gregory enjoyed being employed in the Financial field, Mr. Gregory believed he had a different calling in life to practice law. Mr. Gregory was admitted to the University of Tulsa College of Law in 2003, and graduated in only 2 ½ years (the fastest a student is permitted to graduate from law school). During his time in law school, Mr. Gregory...

Graduated from OU with BBA in 1974; Graduated from OU with JD in 1987. I have been a CPA since 1978 and a practicing attorney since 1987. I've had my office here in Sand Springs since 1997. I've been involved in several local activities, including Sand Springs Rotary Club, Sand Springs United Methodist Church and the Annual Sand Springs Community Thanksgiving Dinner.

Ben has been in practice in Pryor Creek, Oklahoma, since 1997. Ben was a partner with local firm of Elliott & Sherrer, P.C., until June, 2006, when he established his solo practice.Ben currently serves as the as the Assistant City Attorney for the City of Pryor Creek and is the Town Attorney for the Town of Chouteau. He serves as the municipal prosecutor in both municipalities.Ben was elected to the Oklahoma House of Representatives in November, 2004, where he continues to serve in District 8.

Marcus P. Mears is a founding partner of Cunningham & Mears. Mr. Mears is committed to helping Oklahoma’s injured victims in the areas of injury law and insurance litigation. Mr. Mears was selected to the Million Dollar Advocates Forum for his work as lead counsel in multiple seven figure injury cases. The Million Dollar Advocates Forum is one of the most prestigious groups of trial lawyers in the United States with membership limited to attorneys who have won million and multi-million-dollar verdicts and settlements. Less than 1 percent of U.S. lawyers are members.

Richard Wall is a criminal defense attorney from Norman, Oklahoma. He is a life-long resident of Norman, graduating from Norman High School in 1986. He attended the University of Oklahoma where he was a five-time recipient of the Director's Award from the H.H. Herbert School of Journalism and Mass Communication and was listed six times on the President's Honor Roll. He graduated with distinction from the University of Oklahoma in 1990 with a degree in journalism. Mr. Wall attended law school at the University of Oklahoma College of Law where he was listed on the Dean's Honor Roll and received...

Attorney Kim Nguyen has recovered over $50 million dollars in compensation for her clients. Due to her dedication and perseverance, Kim has earned a reputation for being a tough adversary among her peers and she is committed to protecting and defending the rights of injured workers in Oklahoma.

Kim, a personal injury lawyer, earned a Bachelor of Arts degree in Political Science and Economics from Oklahoma State University. She also studied abroad for a year in Japan where she earned a minor in Japanese and International Relations. Prior to receiving her Juris Doctorate from the University of Oklahoma...

Cameron D. Cherry is a dedicated personal injury attorney with over 30 years of experience in advocating for the rights of the injured. Driven by a profound calling to serve those in need, Cam has built his career on the principles of compassion, integrity, and relentless pursuit of justice. His unwavering commitment to his clients’ well-being is evident in his tireless efforts to ensure their interests are always prioritized above his own. Throughout his distinguished career, Cam has successfully recovered millions of dollars for hundreds of clients, securing the compensation they deserve for their pain and suffering. His extensive expertise in...

20 years of Criminal Law experience.

Actively practicing since 1987 in Oklahoma and all Federal jurisdictions. Formed Mitzner Law Firm in 1990. Relocated to Edmond after OKC Bombing.