Katherine Drell Grissel

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...

Samuel C. Peca is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Samuel C., who practices law in Dallas, Texas, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Samuel C. is held by other top lawyers in the same geographic and legal practice area.

Seth McCloskey is a dedicated trial lawyer who has made a career out of seeking justice for victims of negligence, particularly when a large company’s conduct is the root cause of his client’s injuries. Seth is one of only a handful of lawyers in Texas with a national Board Certification in Truck Accident Law. Additionally, Mr. McCloskey is one of the even fewer number of lawyers across the nation with Board Certifications in both Truck Accident Law and Personal Injury Trial Law. ...

I help businesses solve problems involving intellectual property (IP) law, business strategy, and technology law with an emphasis on intellectual property rights, patents, trademarks, copyrights, trade secrets, anti-counterfeiting, IP portfolio strategy, and commercial litigation. Intellectual Property Litigation & Business Litigation I have handled more than 500 intellectual property disputes, including over 40 patent infringement cases and hundreds of IP enforcement actions. I also have...

Larry McFarland assists clients in commercial transactions, with a focus on development, investment, leasing and loan transactions. He has significant experience in loan documentation, regulatory advice, complex joint venture structuring, corporate governance and operational matters, leading his clients' efforts relating to office buildings, retail centers, industrial properties, multi-family projects, hospitality properties, residential subdivision, student housing, and mixed-use projects. A...

Charlene Koonce is a seasoned trial and appellate attorney who prosecutes and defends commercial disputes on behalf of large and small clients. Ms. Koonce has obtained favorable results through bench and jury trials, summary judgment, and settlement in cases involving complex contract disputes, unfair business practices, and securities fraud. Additionally, she has secured success in matters regarding professional liability and fiduciary duties, breach of warranty, the TCPA, fraud, and fraudul...

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

James P. Whalen is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. James P., who practices law in Frisco, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James P. is held by other top lawyers in the same geographic and legal practice area.

Charlie Haag advises on venture capital, IPOs, high-yield and investment-grade debt, convertible securities, tender offers, spin-offs, reorganizations, mergers and acquisitions, and takeovers. He also regularly counsels clients on corporate governance matters, including fiduciary duties and SEC filings. Charlie is a frequent writer and speaker in the capital markets and corporate governance arena. His recent presentations have focused on the IPO market and developments in corporate governance...

Kenneth L. Betts is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Kenneth L., who practices law in Dallas, Texas, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kenneth L. is held by other top lawyers in the same geographic and legal practice area.