Troy Groetken

(The following information was supplied by the firm)


Troy Groetken is a Shareholder, Board Member, and Executive Committee member with McAndrews. He has approximately 25 years of legal experience in the intellectual property field and more than 25 years of technical experience in the pharmaceutical, biotechnological, and chemical fields. He is recognized in the IAM Patent 1000: The World’s Leading Patent Professionals, and has been listed as one of the Best Lawyers in America since 2012.

As a registered U.S. patent practitioner, Troy regularly counsels and is known globally as the “go-to” intellectual property attorney for Fortune 100 and 500 clients regarding complex intellectual property matters involving strategic global patent portfolio development, implementation and enforcement. This is especially the case for matters impacted (e.g., IPR, PGR, advanced patent litigation, including FTC matters) by recent changes caused by the AIA and ANDA/ABLA regulatory schemas. Troy also advises upon and institutes multi-level front-end and back-end licensing programs coordinated with a client-focused business modeling approach including acquisition, divestiture, platform positioning and the like. He strategically addresses multi-jurisdictional intellectual property integration issues, ranging from core and non-core patent portfolio due diligence analysis to global portfolio coordination matters (e.g., coordination of complex U.S. reexamination or reissue proceedings with European, Asian and Australian appeals and opposition), among other services.

Troy regularly assists clients with respect to a broad range of technical disciplines involving the chemical, pharmaceutical and biotechnological arts encompassing new drug (small-molecule, protein, recombinant, combinatorial technologies, assay, etc.) entities, assays, immunoassays, biological molecular technologies, API development and positioning, generic pharmaceuticals, biosimilars, pharmaceutical conjugates, surfactant technologies, agricultural compositions, food-based technologies, animal compositions, gellants, polyols, lubricants, coatings, elastomers, sealants, adhesives, biocides, medical devices, drug delivery formulations, laundry and cleaning products, inorganic and organic synthesis products, pharmaceutical supplements, personal care and cosmetic formulations, oil and gas technologies, alternative fuels, fuel cells, renewable energies, among others.

He also regularly counsels Fortune 100 mechanical and electrical companies with respect to intellectual property matters ranging from heavy-duty industrial products (e.g., diesel engines and aircraft technologies) to small appliances.

Prior to practicing patent law, Troy worked as a clinical consultant pharmacist, supervised drug research programs in coordination with the FDA, evaluated drug management protocols, and performed drug treatment trials on behalf of various hospitals and research institutions.


  • John Marshall Law School, LL.M., Intellectual Property Law, Honors
  • Drake University Law School, J.D., cum laude
  • Drake University, College of Pharmacy, B.S., Pharmacy, cum laudeRho Chi


  • Illinois
  • Iowa
  • United States Supreme Court
  • Federal Circuit Court of Appeals
  • District Courts for the Northern District of Illinois and the Southern District of Iowa
  • U.S. Patent and Trademark Office
  • Registration Certificate (Roll of Patent Agents)
  • Canadian Patent Office

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