Sona De is an experienced patent litigator with numerous victories in claim construction, at summary judgment, at trial and on appeal before the Federal Circuit. Her work spans a wide range of technology sectors, with a focus on Hatch-Waxman litigation, medical devices and biologics, and further includes cases involving crop science, chemicals, computer chips, telephonic systems and consumer products. Sona has handled numerous multi-party litigations, argued before the Multi-District Litigation Panel, represented clients in arbitration and has defended witnesses overseas under the Hague Convention. Her prior work experience in the pharmaceutical industry enables Sona to advise clients on various patent issues with an understanding of how companies operate with an eye towards their business needs. Clients have included Bayer Healthcare, Becton Dickinson, Purdue Pharma, AstraZeneca, Pfizer, Nova Biomedical, Schering-Plough, Sanyo and Oral B.

Sona has been featured as American Lawyer’s “Litigator of the Week” and received the Financial Times’ highest ranking for her innovative strategies and success in the landmark Therasense case that created a new legal standard for the inequitable conduct doctrine. She is recognized among The Top Women Attorneys in the New York Metro Area and was recently profiled by Inside Counsel for helping Bayer Healthcare win its patent trial against a generic drug company. Sona is recommended in Healthcare: Life Sciences in The Legal 500 US and is recognized for her patent litigation work by the IAM Patent 1000. She is also the recipient of the In Motion Commitment to Justice Award.