Dechert‘s IP practice group is reputed for its work in the life sciences, servicing prominent clients like Johnson & Johnson. The firm regularly acts as lead counsel in high-profile patent disputes and related class actions. Katherine Helm, the newly-appointed head of the patent litigation group, is a seasoned IP attorney with extensive experience in pharmaceuticals operating out of New York. Martin J Black is a Philadelphia-based trial lawyer recognised for his strong track record as a defense attorney and appellate advocate. Anish Desai has joined the firm.
Legal 500 Editorial commentary

Accolades

Client satisfaction: Lawyer & team quality
Client satisfaction: Sector knowledge

Key clients

  • AVEO Pharmaceuticals
  • Baxter Healthcare Corporation
  • Biogen MA
  • Eli Lilly & Co.
  • Endo Pharmaceuticals
  • GlaxoSmithKline
  • Johnson & Johnson
  • Merck Sharp & Dohme LLC
  • Padlock Therapeutics
  • Royalty Pharma
  • Sanofi SA
  • Several of the top pharmaceutical companies in the world

Work highlights

Defended a patent litigation filed by Halozyme alleging Merck Sharp & Dohme LLC’s subcutaneous pembrolizumab product infringes fifteen of Halozyme’s U.S. patents.
Acted as lead counsel on behalf of Eli Lilly & Co. in a patent dispute with Endocyte/Novartis over a billion-dollar cancer radiotherapy treatment for late-stage prostate cancer patients.
Represented Johnson & Johnson (and subsidiaries) in a purported indirect purchaser class action related to a novel challenge to the acquisition/enforcement of IP covering Stelara, its largest drug.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Anish Desai
Anish Desai
Practice head

Katherine Helm; Martin J. Black

Other key lawyers

Anish Desai