John Nelson Chrisman

David C. Greenstone is an experienced trial lawyer and a founding member of Simon Greenstone Panatier, PC. Mr. Greenstone has been the Managing Shareholder of the firm since its inception in 2006. Mr. Greenstone has spent more than two decades fighting in court on behalf of those who have been harmed by the negligence and recklessness of others. Passionate about representing clients through trial work, David tried his first case within six months of getting his law license. He was trying case...

Pat Wielinski practices in the areas of construction, insurance coverage and risk management. He provides advice on risk management issues and programs, integrating insurance, contract documents and project relationships to manage and transfer risk for his clients. He also counsels clients as to insurance coverage and contractual risk transfer disputes, having been involved in insurance coverage claims for defective workmanship for over 35 years. At the same time, his practice involves commer...

Sharon Ramage is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Sharon, who practices law in McKinney, Texas, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sharon is held by other top lawyers in the same geographic and legal practice area.

Camisha L. Simmons is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Camisha L., who practices law in Dallas, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Camisha L. is held by other top lawyers in the same geographic and legal practice area.

Charles E. Soechting, Jr. is a shareholder and trial lawyer with Simon Greenstone Panatier, P.C. In his role as the head of the catastrophic injury department Mr. Soechting focuses on serious personal injury and wrongful death cases. He has first-chaired many injury and death trials in multiple states including California, Iowa, New York, Pennsylvania and Texas, in state and federal courts. In addition to the matters that have gone to trial, Charles has personally handled hundreds of cases of...

Jonathan Thalheimer focuses his practice on commercial real estate sales, acquisitions and development and complex finance transactions. From individuals and small privately held businesses to large publicly traded corporations, Mr. Thalheimer represents clients in matters including portfolio lending, construction lending, commercial mortgage-backed securities, conduit lending, corporate and municipal bonds, loan syndications, interest rate caps and swaps, aircraft financing, and other struct...

Rich is a patent attorney and intellectual property (IP) litigator having extensive experience in handling disputes involving all types of IP rights, including patents, trademarks, copyrights, and trade secrets. Rich has litigated over 150 IP cases, including more than 100 patent disputes involving technologies such as industrial & oilfield equipment, cellular and wireless communications protocols, electronic commerce and payment systems, video encoding and streaming, distributed computin...

Rodney L. Moore is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Rodney L., who practices law in Dallas, Texas, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rodney L. is held by other top lawyers in the same geographic and legal practice area.

Steven Hartsell is a registered patent attorney and focuses his practice on patent infringement litigation, patent licensing, and inter partes review proceedings. He has represented clients in federal courts across the country in cases involving a variety of technologies, including semiconductors, distributed agent architectures, cellular phones, telecommunications, software anti-piracy, medical devices, DVD and television controls, and optical systems. Steven also has extensive experience re...

Marianne M. Auld is the managing partner of Kelly Hart and the chair of the firm’s Appellate section. She has briefed and argued dozens of appeals in both state and federal courts of appeals. Ms. Auld began her career as a law clerk on the United States Court of Appeals for the Fifth Circuit. Following her clerkship, she joined Kelly Hart as an associate in the firm’s litigation section, where she worked on a wide range of civil matters for clients including governmental entities ...