Robert Holthus
Counsel, Calgary
US Patent Agent


Phone: 587.887.9997
Fax: 587.887.9998
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  • Winona State University, B.Sc.(Chemistry, magna cum laude)
  • Texas A&M University, M.S. (Chemical Engineering)
  • Capital University Law School, J.D. (summa cum laude) 2001
  • United States Registered Patent and Trademark Agent 2001
  • Minnesota State Bar 2001
  • Texas State Bar 2003

Robert Holthus has a technical background in chemistry and chemical engineering that allows his practice to support a diverse range of technologies in the chemical, oil and gas, and pharmaceutical arts. Before transitioning to private practice, Robert served as Senior IP counsel for Huntsman International LLC, managing intellectual property matters for Huntsman’s Advanced Materials Americas, Corporate and Textile Effects Divisions. 

Robert has significant experience in developing and implementing intellectual property strategies including: 

  • Strategic portfolio development based on comprehensive competitor patent landscape studies
  • Right-To-Practice/Clearance studies in connection with product development, corporate transactions (M&A) and new market exploration
  • Invalidity and non-infringement studies
  • Patent preparation and patent procurement
  • Technology transactions and licensing

Before beginning his legal career, Robert worked as a chemical engineer at Ross Products Division Abbott Laboratories where he was responsible for developing, scaling-up and optimizing processes for the production of pharmaceutical active ingredients and medical and nutritional products.


IP Management & Strategic Counselling
Chemical & Industrial Biotechnology
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