Debbie J. McComas

Debbie J. McComas is a litigator and appellate lawyer with more than 30 years of experience in patent appeals, commercial disputes, lender liability, real estate, trade secrets, foreign sovereignty, oil and gas and other complex matters.

Debbie chairs Haynes Boone’s Federal Circuit Practice group and is particularly active in patent appeals where she is consistently ranked within the top 5 most successful practitioners in that court. Most recently, Debbie was ranked first in overall performance in the United States Court of Appeals for the Federal Circuit in Patexia’s CAFC Intelligence Report, a ranking that results from a long, successful career of patent litigation experience. Debbie's expertise in the patent litigation and appellate arena is widely recognized and sits on the Berkley Law Center Advisory Board.

Debbie’s patent litigation and appellate work is supported by nearly three decades of broader litigation and appellate experience across the nation. Debbie has argued before the Texas Supreme Court, petitioned the United States Supreme Court, and defended foreign sovereigns from multiple continents. She has also defended national financial institutions in adversary proceedings involving billions of dollars and managed countless contract disputes.

Whether before a federal district court in the Southern District of New York or West Texas, Debbie represents clients facing uncommon litigation and appellate problems.

A consummate advocate, Debbie is also dedicated to her community. She is proud to serve as co-chair of Haynes Boone’s Community Engagement Committee. She is honored to have received the Light of Justice Award from the Texas Defender Service for her pro bono achievements in the death penalty arena. And she serves on the steering committee for the Women of Tocqueville Society of the United Way of Metropolitan Dallas, where she recently received the Give Award.