Sharon Lin McIntosh

Sharon Lin McIntosh is an Of Counsel attorney at Winston & Strawn, where her practice focuses on patent litigation and due diligence. Leveraging a strong technical background in biochemistry and physiology, she primarily handles matters involving generic pharmaceutical and biosimilar products. Her experience also extends to medical devices, software, operating systems, mobile applications, and cloud services.

Ms. McIntosh has a track record of defending clients in patent infringement actions, as evidenced by her representation of Glenmark Pharmaceuticals Inc. in the Veloxis Pharmaceuticals, Inc. v. Glenmark Pharmaceuticals Inc. ANDA litigation. She has significant experience across all phases of litigation, including drafting motions, constructing defenses, preparing expert reports, and conducting depositions.

She is also active in post-grant proceedings before the Patent Trial and Appeal Board (PTAB), frequently litigating cases and preparing validity, freedom-to-operate, and patentability opinions. She has appeared as counsel for petitioners in IPR proceedings, such as IPR2023-00724, and has co-authored various insights on PTAB-related topics.

Ms. McIntosh earned her B.S. in biochemistry (2007) and M.S. in physiology and biophysics (2009) from Georgetown University, followed by her J.D., cum laude, from Georgetown University Law Center in 2016. She is admitted to the bar in the District of Columbia and New York. She has been recognized in "The Best Lawyers: Ones to Watch® in America" for Intellectual Property Law and Intellectual Property Litigation (2026) and in Patexia's ANDA Litigation Intelligence Report (2025).