Skip to main content

Nigamnarayan (Nigam) Acharya focuses on helping life sciences and chemical companies protect and enforce intellectual property rights. Nigam’s practice includes patent prosecution, litigation, negotiating and structuring complex business agreements (e.g., licenses, research agreements, and partnering agreements), and trademark services to life sciences and chemical companies. Nigam has litigated and counseled on Hatch-Waxman matters, including work surrounding the FDA approval process for generic drug products through the filing and litigation of Abbreviated New Drug Applications (ANDAs). Nigam’s clients range from startups to public companies.

Nigam provides streamlined, cost-conscious counseling aimed at reducing clients’ bandwidth and resources. He looks to partner with clients, regularly participating in their IP team meetings and executive strategy meetings. He also uses his Black Belt Lean SixSigma® training to help create value for clients, while being efficient, using process-focused management.

Nigam has an in-depth knowledge of business and science that allows him to uniquely counsel pharma and chemical companies. Prior to joining GT, Nigam was a shareholder and a board member of a company where he worked with management to grow and eventually sell the company after eight years. His undergraduate research in biophysical chemistry involved studying thermodynamic parameters of protein-nucleic acid interactions. His graduate research was directed to organic synthesis chemistry and involved developing pathways to synthesis of novel flavonoids.



  • Argued and obtained a reversal of a Trademark Trial and Appeal Board’s decision to refuse registration of a mark due to likelihood of confusion with a registered mark. The precedent setting case clarified the use of third-party registrations to show the weakness of a mark in the likelihood confusion analysis. Juice Generation, Inc. v. GS Enterprises, LLC, Case No. 14-1853 (Fed. Cir., July 20, 2015).°

°The above representations were handled by Mr. Acharya prior to his joining Greenberg Traurig, LLP.

Recognition & Leadership

  • Recognized, Intellectual Asset Management magazine, “IAM Patent 1000,” 2015-2018


  • M.S., Chemistry , Georgia Institute of Technology
  • J.D., Emory University School of Law
  • B.S., Biochemistry, Molecular Biology, Political Science , University of Wisconsin-Madison
  • Georgia
  • California
  • U.S. Patent and Trademark Office
  • Hindi