Representation in Complex and Sensitive Legal Matters Nationwide
Lawyers at Mathis & Donheiser offer legal representation tailored to clients' unique goals in administrative proceedings and trial and appellate litigation, especially in complex or sensitive situations.
The Dallas law firm is known for taking cases other attorneys are unable or unwilling to handle, and for pursuing the best possible results through determined advocacy. Because Mathis & Donheiser is a small law firm where attorneys work as a team — not in specific practice groups — a wide range of client needs can be accommodated.
- Litigation: The firm handles a wide range of legal actions in Texas state courts and federal courts throughout the United States.
- Appeals: Founding attorney Mark Donheiser is Board Certified in Civil Appellate Law by the Texas Board of Legal Specialization and has the capacity to handle even the most complex appeals.
- Personal injury: When a personal injury leads to a lawsuit, the lawyers at Mathis & Donheiser are well equipped for legal success.
- Sexual abuse and misconduct: Mathis & Donheiser handles legal issues of sexual abuse and misconduct with a high degree of respect for the people involved.
- Firearms litigation: The attorneys at Mathis & Donheiser are well-known for handling high-profile firearms defense cases that have set legal precedents in Texas and throughout the country.
- Product liability: Mathis & Donheiser handles litigation related to defective firearms and other products.
- Professional negligence: Lawyers at Mathis & Donheiser counsel and represent professionals facing litigation related to allegations of negligence.
- Representation of lawyers and judges in grievance, disbarment and misconduct proceedings: When allegations lead to administrative actions against attorneys and judges, Mathis & Donheiser is prepared to advocate in defense of your career.
- Insurance disputes: Mathis & Donheiser resolves insurance disputes for a broad range of clients.
- Ownership disputes involving works of art: The firm is recognized for its successful handling of the high-profile Quedlinburg case.
- Business and employment litigation: Attorneys at Mathis & Donheiser have the capacity to resolve matters of business and employment law.
To speak confidentially with an attorney at the Dallas, Texas, law firm of Mathis & Donheiser, please call 214-303-1919.

