HOUSTON – John Zavitsanos, a co-founder of AZA, was named to The 2025 Lawdragon 500 Leading Plaintiff Financial Lawyers.
Mr. Zavitsanos was a repeat honoree on the plaintiff financial lawyers list for his expertise in commercial litigation, intellectual property and securities. His trial work includes cases on both plaintiff and defense sides of the bar.
“The firms represented here are remarkable. While some solely represent plaintiffs, others handle defense claims as well. As a whole they bring a level of assuredness and commitment to the justice system,” wrote Lawdragon.
Mr. Zavitsanos previously was named to Lawdragon’s most prestigious 500 Leading Lawyers in America list and its 100 Managing Partners You Need to Know 2025. He has also been named to its 500 Leading Litigators in America and 500 Leading Energy Lawyers lists.
He has also received many other national honors. He has tried more than 100 cases to verdict in litigation that runs the gamut, and he is one of a handful of lawyers in Texas to achieve a Band 1 ranking in both commercial litigation and trial expertise by the London-based Chambers and Partners. He is the primary author of O’Connor’s Texas Rules * Civil Trials 2018-2025, the premiere civil trial rules guide for Texas lawyers and judges.
AZA, or Ahmad, Zavitsanos & Mensing, is a Houston-based law firm that is home to true courtroom lawyers with a formidable track record in complex commercial litigation, including energy, healthcare, intellectual property and business dispute cases. AZA was recognized again by Chambers USA 2025 as among the best in Texas in commercial law and intellectual property; the firm has been listed by Best Lawyers’ Best Law Firms as one of the country’s best commercial litigation firms for 13 years; has been named Litigation Department of the Year by Texas Lawyer three times; and was previously dubbed a Texas Powerhouse law firm by Law360.