Dallas, TX


Houston, TX


Los Angeles, CA


New York, NY


Washington, D.C.



Marshall Taheri, Esquire, founder of the firm, has been practicing law for more than 45 years to include the areas of civil and commercial litigation; U.S. and international personal injury; real estate litigation; energy, finance; securities and investment fraud; domestic and international negotiations, arbitration, and litigation; legislative and governmental relations; and white-collar criminal defense. He has handled litigation matters at the federal and state levels. Dr. Taheri has achieved and “AV” rating from Martindale Hubbell, the highest rating for competency and ethics, and is recognized by Who’s Who in America, Who’s Who in American Education, Who’s Who in American Law, and Who’s Who in the World.

Dr. Taheri received his Bachelor of Business Administration (B.B.A.) degree in accounting and finance from the University of Houston and Doctor of Jurisprudence (J.D.) degree from South Texas College of Law which is recognized as one of the top advocacy and litigation law schools in the nation. In August of 1974, he was conferred with a Doctor of Philosophy (Ph.D.) degree in law by the Ministry of Sciences and Higher Education. In the spring of 1981, he studied U.S. and international civil and business litigation law at the University of Houston Law Center. In the spring of 2002, he was invited to participate in the Practising Law Institute’s International Business Litigation and Arbitration conference held in New York City. From time to time, he is called to judge the American Bar Association’s National Appellate Advocacy competitions and other national mock trial and advocacy competitions. Dr. Taheri is also a frequent speaker at continuing legal education (CLE) conferences for attorneys and other organizations.

Dr. Taheri is licensed and authorized to practice law in the states of Texas and New York. He is also licensed and authorized to practice law in Washington, D.C., U.S. federal district courts, the United States Tax Court in Washington, D.C., U.S. federal circuit courts, the U.S. Court of International Trade in New York, the Court of Appeals for the Federal Circuit in Washington, D.C., and the United States Supreme Court in Washington, D.C.

Dr. Taheri’s international business and negotiation skills between U.S. and international corporations developed early in life. Prior to his studies in Houston, he was associated with a U.S. company as a liaison director to facilitate the construction of a submarine pipeline which carried crude oil from the mainland to an island for export via super tankers to Europe and the United States. Further, he worked as a corporate accountant and auditor for an oil company while pursuing his doctor of jurisprudence degree in Houston. He has, on behalf of his corporate clients, successfully negotiated joint venture contracts with the governments of the other countries. At the request of Houston’s prominent business leaders, Dr. Taheri established an international chamber of commerce in Houston for the purpose of fostering international business relationships between the United States and other countries. As founder and secretary general of the chamber, Dr. Taheri was responsible for organizing, as members, more than 250 Texas industries.

Throughout his professional career, Dr. Taheri has been actively involved in his alma maters, to include the University of Houston and South Texas College of Law. Through both institutions, he was appointed adjunct professor. At the University of Houston, he taught business law and at the University of Houston Law Center, he taught U.S. and international business, law and diplomacy. From 1980 to 2011, he was an adjunct professor at South Texas College of Law where he taught U.S. and international law through a variety of seminars, to include, international litigation, iInternational criminal law and procedure, international litigation in U.S. courts, and law and diplomacy. Additionally, in 1982, Dr. Taheri served as President of the South Texas College of Law Alumni Association. In 1994, he served as a moderator for a roundtable forum entitled, “Business, Law and Diplomacy” which was co-sponsored by the Greater Houston Partnership’s World Trade Division and South Texas College of Law.

In 1982, Professor Taheri was appointed by the Greater Houston Partnership to form an Ad Hoc Committee to study pending legislation before the United States Congress in Washington, D.C., and the impact of such legislation on the Houston economy. He submitted an oral presentation to the board members of the Greater Houston Partnership on the findings of the Ad Hoc Committee. Subsequently, he and the late Honorable Louie Welch, former mayor of Houston and then President of the Greater Houston Partnership, traveled to Washington, D.C., where Professor Taheri testified as an expert before the U.S. Senate Subcommittee of the U.S. Congress in Washington, D.C., in support of the pending legislation which subsequently became a law through unanimous vote by the U.S. Congress.

Dr. Taheri’s combined business and legal careers have afforded him the opportunity to represent individuals and corporations, domestically and internationally. Further, he has developed an understanding of more than 85 cultures which is a prominent distinction in today’s business world.

Dr. Taheri’s broad perspective has been further enhanced through his memberships in numerous organizations to include the American Bar Association, Washington D.C. Bar Association, New York Bar Association, Texas Bar Association, Houston Bar Association, Fellow: Houston Bar Foundation, American Association for Justice (American Trial Lawyers Association), Texas Trial Lawyers Association, Phi Alpha Delta International Law Fraternity, the College of the State Bar of Texas, Association of International Petroleum Negotiators, British American Business Association, International Business Committee of the Houston Chamber of Commerce, Forum Club, the World Trade Association, Institute of International Education, the World Affairs Council of Houston, and International Lawyers Association in London, England.