About Lucas
Lucas T. Ritchie is a seasoned trial attorney based in Denver, Colorado, with over two decades of experience in complex business and securities litigation. He earned his Juris Doctor from the University of Denver Sturm College of Law in 2004, where he developed his skills in legal analysis and advocacy. Prior to that, he obtained his Bachelor of Arts in Philosophy from the University of Colorado at Boulder in 2001. This gives a strong foundation in critical thinking and ethics. Since 2005, Ritchie has been an associate at Jones & Keller, P.C., a prominent Denver-based law firm known for its focus on business law.
Ritchie's practice concentrates on high-stakes business disputes, securities litigation, and regulatory investigations. He has represented a diverse array of clients, including public companies, private funds, investment advisors, and corporate officers. His work often involves navigating complex issues related to federal and state securities laws, corporate governance, fraud, and business torts. This experience equips him to handle intricate legal challenges that arise in the business sector. Leadership is a key aspect of Ritchie's career. He currently serves as chair of the Colorado Bar Association's Business Law Section, a role he assumed on July 1, 2022.
His prior leadership positions include chair of the Litigation Section in 2020 and co-chair of the Securities Law Subsection for three consecutive terms. These roles demonstrate his commitment to advancing the field of business law and supporting fellow attorneys. His contributions to the legal community have not gone unnoticed; in 2021, the National Law Journal recognized him as a "Litigation Trailblazer." In January 2023, Ritchie took a significant step in his career by joining Lewis Brisbois Bisgaard & Smith LLP as a partner in their Denver office. This move enhances the firm's capabilities in directors and officers, securities litigation, and government investigations. His experience encompasses many legal issues, including the False Claims Act and consumer protection laws, further solidifying his reputation as a knowledgeable advocate in the field. Ritchie's professional affiliations are extensive.
He is a member of the Faculty of Federal Advocates for the U.S. District Court, District of Colorado, and actively participates in the Colorado Bar Association, Denver Bar Association, and American Bar Association. His accolades include recognition in The Best Lawyers in America since 2020, and he was named Securities Litigation Lawyer of the Year in Denver for 2026. Throughout his career, Ritchie has demonstrated a commitment to excellence in litigation and a dedication to serving the legal community, reflecting his significant contributions to the field of business and securities law.
