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  • New York
  • U.S. Patent and Trademark Office

Panjab University, India, B.S., M.S., with honors

University of Iowa, College of Medicine, Ph.D.

University at Buffalo School of Law, J.D., cum laude

Ranjana practices in all areas of intellectual property (IP) with particular emphasis on patentability evaluations, patent prosecution, post-grant challenges, related opinion work, and licensing in the biotechnology and chemical fields. She works closely with clients to identify protectable IP, and provides practical advice to clients on protection of IP and building and management of global IP portfolios. Her areas of focus include cell biology, biochemistry, immunology, pharmaceuticals, diagnostics, therapeutics, veterinary diagnostics, chemical technologies, and food chemistry. She also advises clients on a wide variety of IP-related topics, including due-diligence investigations and trademark matters. She lectures frequently on topics related to latest developments in IP law, patents, and licensing.

Ranjana taught a course on patent prosecution as an adjunct faculty member at University at Buffalo School of Law and presented as guest lecturer for two graduate level courses at the UB School of Pharmacy in the area of Patenting of Protein Pharmaceuticals. Prior to law school, Ranjana was active in scientific research and was awarded post-doctoral fellowships from the National Institutes of Health and the American Heart Association. During her graduate and post-doctoral tenure, she published several articles in peer-reviewed journals.

Ranjana exclusively practices U.S. law and is admitted to practice in New York. 


  • Listed, Best Lawyers in America (Patent Law) 2011 - 2024
  • Buffalo Business First/Buffalo Law Journal’s Who’s Who in Law


Ranjana has extensive experience in evaluations of relevant IP and preparing freedom-to-operate opinions. She has also advised many clients in the life sciences area on identifying and protecting intellectual property. She does this through regular meetings with clients, ensuring evaluations are made at early stages of technology development, and strategies for protection are designed to best suit the particular technology. She also regularly advises clients on the fast-changing landscape of case law as it relates to biotech patents – particularly in the diagnostics area.

Ranjana has been involved in preparing several successful ex parte and inter partes reexamination requests. The technical areas of the patents that were involved in the third-party challenges included cell technologies, chemical technologies, and business method patents. Her extensive experience extends to patent and technology licensing, particularly in the biotech area. She has previously worked on complex in-licenses and collaboration agreements for biotech companies, including in the fields of antibody therapeutics and diagnostics. She also regularly drafts and negotiates license and advises biotech companies regarding with material transfer agreements, out-licenses, and joint research agreements.

In the News


Presentations & Events

Professional Associations

  • American Intellectual Property Law Association
  • Niagara Frontier Intellectual Property Law Association
  • Association of University Technology Managers
  • Bar Association of Erie County

Community & Pro Bono

Ranjana is a former member of the Buffalo Museum of Science board of managers. She also regularly participates in the annual Pre-Seed Workshop hosted by University at Buffalo, where, in 2013, she gave the opening remarks.