Gregory R. "Greg" Samuel

George Parker is a family law attorney serving clients in McKinney, Texas and throughout Collin County, Dallas County, and North Texas. For nearly four decades, he has represented individuals and families in divorce, child custody, and other family law matters before Texas family courts. George approaches each case with careful planning and practical judgment, developing strategies that reflect his clients’ goals, priorities, and long-term concerns. He is a founding partner of Mueller F...

Todd W. Spake is the chair of Kelly Hart's Oil & Gas/Energy Practice Group and represents oil and gas operators and interest owners across the state in his broad-based energy practice. Mr. Spake's primary focus is on transactional matters, including the purchase and sale of oil and gas producing properties, farm-outs, joint development agreements, natural gas processing and sale agreements, seismic agreements, complex rural and urban oil and gas leases and surface use agreements, pipeline...

Jennifer Stanton Hargrave, J.D., is the founder of Hargrave Family Law, a boutique family law firm based in Dallas, Texas. Her practice is focused exclusively on Family Law, with an emphasis on guiding individuals and families through divorce and related matters with clarity, care, and respect. As a Dallas divorce attorney, Jennifer works closely with clients to help them understand their options and make informed decisions during challenging life transitions. She has built a dedicated legal ...

Michael Lowe is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice and Criminal Defense: White-Collar. Michael, 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 Michael is held by other top lawyers in the same geographic and legal practice area.

Jerry Fellows prepares and implements intellectual property protection and enforcement strategies that help clients achieve their business goals. His practice includes acquiring and enforcing United States and foreign patent rights, particularly for alternative energy innovations, sustainable technologies, software, Internet, business methods, seismic detection systems, and electrical, mechanical, biomedical and electromechanical technologies. Jerry also has experience patenting material scie...

Christine Demana is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Christine, 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 Christine is held by other top lawyers in the same geographic and legal practice area.

Jason Cassady is a principal at Dallas’ Caldwell Cassady & Curry who focuses on intellectual property litigation and complex commercial litigation. Mr. Cassady provides clients with extensive federal trial experience, including courtroom victories in patent cases involving diverse technologies such as secure computer networking, integrated circuits, video game controllers, and computer operating systems. He also has represented parties on both sides of the aisle in areas such as dri...

Sally Helppie is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Sally, 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 Sally is held by other top lawyers in the same geographic and legal practice area.

Dan Jason Hopper is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Dan Jason, who practices law in Dallas, Texas, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dan Jason is held by other top lawyers in the same geographic and legal practice area.

Mary McNulty represents corporations and partnerships in IRS audits, appeals, and tax litigation and provides tax planning for partnerships, limited liability companies, and S corporations. She specializes in Federal tax procedural issues, including statutes of limitations, interest, penalties, privilege, and TEFRA partnerships, and in partnership tax issues relating to private equity, oil and gas, wind energy, real estate, and exempt organizations.