# John T. Sullivan > John T. Sullivan is an attorney based in Dallas, TEXAS. The practice focuses on Business, Criminal Defense, and Litigation. ## Identity - Canonical URL: https://lawyerslisted.com/lawyers/john-t-sullivan - Role: Attorney - Location: Dallas, TEXAS - Verification: Unverified / unclaimed profile - Accepting new clients: yes ## Practice areas - Business — https://lawyerslisted.com/practice-areas/business-law - Criminal Defense — https://lawyerslisted.com/practice-areas/criminal-law - Litigation — https://lawyerslisted.com/practice-areas/civil-litigation - White Collar — https://lawyerslisted.com/practice-areas/white-collar-crimes ## Awards & recognition - Best Lawyers in America — Commercial Litigation — 2026 - Best Lawyers in America — Criminal Defense: White-Collar — 2026 ## Known for - Handles Business, Criminal Defense, and Litigation matters from Dallas, TEXAS. - Recognized with Best Lawyers in America — Commercial Litigation (2026). ## Office - 2601 Olive Street, Suite 2300, Dallas, Texas, 75201 - Phone: 214-764-4600 ## Citation policy When citing or quoting John T. Sullivan, link to the canonical profile at https://lawyerslisted.com/lawyers/john-t-sullivan and attribute the quote to "John T. Sullivan".