Haynes and Boone, LLP is a law firm based in Dallas, Texas. The firm was founded in 1970 and has since grown to become one of the largest law firms in the United States. The firm has over 600 lawyers in 18 offices across the United States, Europe, and Asia. The firm offers a wide range of legal services to clients in various industries including energy, technology, and finance. The firm is known for its expertise in corporate law, intellectual property, and litigation. The firm has been recognized for its commitment to diversity and inclusion, and has received numerous awards for its pro bono work.