Mark Mayer

Mark Mayer is an attorney at Hammerle Morris Law Firm in Lewisville, Texas, whose practice covers business law, commercial litigation, probate disputes, and transactional matters. He advises individuals and businesses on contract review, purchase and sale agreements, non-compete and trade secret issues, buy-sell agreements, entity formation, and family business settlements. Mayer also helps clients address partner disputes, will contests, trust litigation, and other complex legal concerns.

Mayer earned his J.D. from the University of Houston Law Center in 1999 after receiving a B.S. from the University of Texas at Austin in 1993. He was admitted to the Texas Bar in 1999 and is admitted before the federal district courts for the Northern, Southern, and Eastern Districts of Texas. His legal education and broad litigation background support a practical approach to evaluating risk, resolving disputes, and structuring business arrangements.

His experience includes commercial arbitration, eminent domain, product liability, personal injury defense, securities matters, class actions, Medicaid fraud cases, and copyright and trademark disputes. Mayer has represented pharmaceutical companies in qui tam litigation, freight carriers in contractor arbitrations, manufacturers in defect claims, trustees in fiduciary duty and fraud cases, and landowners and condemning authorities in eminent domain proceedings. He previously practiced as a trial attorney with Locke Lord LLP from 1999 through 2013.

Mark Mayer brings clients a combination of courtroom experience, business judgment, and familiarity with both personal and commercial legal matters. He serves as a Denton County condemnation commissioner and is certified to accept ad litem appointments. His professional and community involvement includes the Denton Bar Association, youth organizations, and civic service in Flower Mound. Through careful analysis and practical advice, he helps clients manage disputes, protect important interests, and move forward with informed legal strategies.

Law Office Affiliations

• Attorney, Hammerle Morris Law Firm
• Member, State Bar of Texas
• Member, Denton Bar Association
• Assistant Director, American Legion Texas Boys State

Licensed State

• Texas

Education

• University of Houston Law Center
  Juris Doctor (JD)
• University of Texas
  Bachelor of Science

Awards & Badges