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Constantine "Gus" Themelis

Of Counsel

Gus Themelis concentrates his practice in business and commercial litigation matters in various industries, including hospitality, maritime, insurance and real estate.

Professional Biography

With more than 15 years of experience, Gus Themelis represents clients nationwide and has successfully tried dozens of jury trials and hundreds of bench trials. He represents a diverse array of clients in state and federal courts in his commercial and business litigation practice, which includes franchise disputes in the hospitality industry, insurance litigation, commercial real estate development, and matters involving breach of contract, fraud and maritime.

In addition to his commercial and business litigation work, Mr. Themelis has experience in complex toxic tort litigation, products liability and medical malpractice. Prior to joining Baker Donelson, Mr. Themelis litigated hundreds of toxic tort matters, including lead paint, carbon monoxide and other chemical exposures, and participated in multiple trials representing a material handling equipment manufacturer in a multi-state catastrophic injury product liability litigation.

  • Member – DRI
  • Member – Maryland State Bar Association (MSBA)
    • Member at Large – Franchise & Distribution Law Committee
  • Member – Bar Association of Baltimore City
  • Member – Bar Association of Baltimore County


  • University of Baltimore School of Law, J.D., 2002
  • Loyola College of Baltimore, B.A., 1999, cum laude


  • Maryland, 2002
  • U.S. District Court for the District of Maryland, 2003

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