Attorney Archives

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Sarah Simpson

Sarah Simpson is a registered patent attorney and a member of the Intellectual Property Practice Group. Sarah’s practice primarily involves obtaining and enforcing patent and trademark rights. She received her Juris Doctor with Highest Honors from the University of Oklahoma…

Amanda Mayo Finch

Amanda Finch is an associate in the firm’s Oklahoma City office, assisting clients as a member of the Litigation & Trial Practice Group. Prior to joining Crowe & Dunlevy, Amanda served as a law clerk to the Honorable Amanda Maxfield…

Chandler G. McDonald

Chandler McDonald is an associate member of the Private Wealth & Closely-Held Business Practice Group in the Oklahoma City Office. Her practice focuses on estate planning and trust and estate administration. Chandler assists individuals and closely-held family businesses with wealth…

T. Dylan Hartsook

An associate in the firm’s Oklahoma City office, Dylan Hartsook assists clients in a variety of commercial disputes as a member of the Construction, Litigation & Trial, Product Liability, and Real Estate Practice Groups. Dylan graduated with Honors from the…

Jon Cartledge

A director in the firm’s Tulsa office, Jon Cartledge is a member of the Appellate, Insurance, Litigation & Trial, and Product Liability Practice Groups. His practice focuses on legal research and brief writing as well as preparing oral arguments at…

J. Christopher Davis

Chris Davis is a shareholder and director in the firm’s Tulsa office. He represents clients as a member of the firm’s Alternative Dispute Resolution, Insurance, Intellectual Property, Litigation & Trial, and Product Liability Practice Groups. With more than 27 years…

David L. Mossman

David Mossman has more than thirty years of experience practicing as an intellectual property attorney. As a member of the Intellectual Property Practice Group located in the firm’s Houston office, David assists clients in a broad range of patent transactional…

Gene L. Tyler

Gene Tyler is a director in the firm’s Houston office and a member of the Intellectual Property Practice Group. He has extensive experience representing clients in U.S. and international patent and trademark prosecution. Prior to practicing law, Gene spent 10…

Chandran D. Kumar

A director in the firm’s Houston office, Chandran Kumar is a member of the Intellectual Property Practice Group. For more than fifteen years, he has represented clients as a patent attorney primarily in patent preparation and prosecution, and routinely directs…

Nancy Allred Collins

Nancy Allred Collins is a director in the firm’s Dallas office. Her practice focuses on international, federal, state and local income taxation as well as gift and estate tax planning. As a member of the firm’s Taxation Practice Group, Nancy…