Gardere Wynne Sewell LLP provides legal advisory services to banking and finance, energy, oil and gas, private equity, construction, environmental, biotechnology, healthcare, hospitality, insurance, retail, and technology sectors. The firm focuses on areas such as commercial litigation, antitrust and trade regulation, transfer pricing, bankruptcy and business reorganization, corporate governance, and intellectual property. Additionally, it provides services in areas such as legislative and regulatory affairs, patent and copyright law, tax litigation, union negotiations and contract disputes, family law, and white collar criminal defense. The firm was founded in 1909 and is based in Dallas, Texas with additional offices in Austin, Texas; Houston, Texas; and Mexico City, Mexico.