Ms Katherine Helm > Dechert LLP > New York, United States > Lawyer Profile

Dechert LLP
Three Bryant Park, 1095 Avenue of the Americas
NEW YORK, NY 10036-6797
United States
Katherine Helm photo

Work Department

Intellectual Property




Dr. Katherine A. (“Kassie”) Helm, Ph.D., represents clients in patent litigation and related intellectual property, antitrust, healthcare and international arbitration matters. Dr. Helm’s neuroscience background offers a unique perspective to innovator pharmaceutical, biotechnology and healthcare companies in all aspects of litigation, from pre-suit diligence through trial, appeal and full trials on remand.  She has represented life sciences companies in patent infringement, declaratory judgment, preliminary injunction and Hatch-Waxman actions, involving small and large molecules, as well as in pay-for-delay antitrust litigation, and in a variety of both federal and state complex commercial litigation and international arbitrations, involving joint ventures, licensing and drug development agreements.  Dr. Helm also has significant experience with concurrent Patent Office proceedings and global litigation including Inter Partes Reviews (IPRs), Post Grant Reviews (PGRs), Interferences and appeals, European Patent Office (EPO) Oppositions and appeals, as well as UK, French and other European patent revocation and infringement actions.


  • Princeton University, A.B., 1999, cum laude, Sigma Xi
  • Johns Hopkins University, M.A., 2001
  • Johns Hopkins University, Ph.D., 2003, Full Scholarship, the Natural Sciences and Engineering Council of Canada
  • Fordham University School of Law, J.D., 2008, cum laude, Dean’s List, Parchomovsky-Siegelman Student Graduation Prize, Helen and Norman Burg Graduate Student Ethics Prize, Senior Articles Editor, Fordham Intellectual Property, Media & Entertainment Law Journal

Lawyer Rankings

United States > Industry focus > Healthcare: life sciences

(Next Generation Partners)

Katherine HelmDechert LLP

Dechert LLP is active across all areas of the life sciences market, leveraging a strong corporate team advising on capital markets transactions, M&A and commercialization deals. The team is recognized for its strengths in finance and its experience assisting pharmaceutical companies with fundraising for Covid-19 treatments. Of recent note, the team represented a US-based financial services client in BioNTech’s $325m Series B financing round—one of the single largest private funding rounds for a biotech company in European history. Los Angeles-based Kimberly Branscome and Jay Bhimani joined from Kirkland & Ellis LLP, strengthening the product liability and mass torts practice. Co-chairs Andrea Reid and David Rosenthal are based in Boston and New York, respectively; product liability co-chair Mark Cheffo, patent litigator Katherine Helm and patent prosecutor Carl Morales are contacts in New York.