Mason C. Simpson

Mason C. Simpson focuses on complex commercial litigation, business disputes, and trial work in federal and state courts. He has represented clients in matters involving breach of contract, fiduciary duty disputes, zoning conflicts, and real estate transactions. His litigation approach combines careful preparation, strategic analysis, and practical solutions designed to resolve difficult legal conflicts effectively.

Mason earned his B.A. from Colorado State University before receiving his Juris Doctor, cum laude, from St. John’s University School of Law in New York City. While attending St. John’s School of Law, he served as a Notes & Articles Editor for the St. John’s Law Review and received multiple CALI awards along with Dean Merit Scholarships.

Mason built his litigation background through work with international law firms in New York City and by clerking for a United States District Court Judge for the Southern District of New York. His legal experience includes commercial litigation, corporate investigations, and complex business disputes involving industries such as banking, transportation, securities, pharmaceutical, advertising, and private equity matters.

Mason represents clients in cases involving business torts, real estate conflicts, homeowner association disputes, and development matters. He also works on transactional issues connected to manufacturing and international business operations. His experience handling disputes across different industries allows him to evaluate legal risks carefully while helping clients protect their commercial and financial interests throughout each stage of litigation.

Mason is known for developing creative legal strategies when disputes become highly contentious. He believes many conflicts can be approached from different angles, especially when negotiations appear stalled. By focusing on practical and forward-looking solutions, he helps clients move beyond conflict and work toward resolutions that reduce uncertainty while protecting long-term business and property interests.

Mason has also participated in sensitive investigations involving corporate fraud, insider trading concerns, accounting restatements, and allegations of mismanagement. His courtroom and investigative experience has helped businesses, property owners, and professionals navigate serious legal challenges. He is admitted to practice in Colorado and New York, multiple Federal Circuit Courts of Appeals, and the Supreme Court of the United States.

Mason C. Simpson brings years of litigation, trial, and transactional experience to clients facing commercial and property-related legal issues. He approaches every matter with detailed preparation, strong advocacy, and a commitment to delivering high-quality legal representation. His work reflects a focus on resolving disputes efficiently while helping clients address legal challenges with confidence and clear strategic direction.

Law Office Affiliations

• Attorney, Business Law Group
• Member, Colorado Bar Association
• Member, New York State Bar Association

Licensed State

• Colorado
• New York

Education

• St. John’s University School of Law
  Juris Doctor (JD)
• Colorado State University
  Bachelor of Arts (BA)

Awards & Badges