Paul Hastings

Paul Hastings LLP: Patent Litigation Summary

Paul Hastings LLP is a multinational "BigLaw" firm with a global presence, including offices across the United States, Asia, Europe, and South America. Ranked among the top 30 firms by revenue in The American Lawyer's 2025 Am Law 200, it operates as a full-service firm with a highly regarded intellectual property department. The firm receives high rankings for its patent litigation and Patent Trial and Appeal Board (PTAB) practices from legal directories such as Chambers USA and The Legal 500.

The firm's patent litigation group is recognized for its work in the life sciences and technology sectors. Key areas of focus include pharmaceuticals, Hatch-Waxman litigation, biotechnology, medical devices, semiconductors, and internet technologies. The tracked cases, Veloxis Pharmaceuticals AS v. Zydus Cadila et al. and Visa USA Inc v. Cortex MCP Inc, reflect this blend of life sciences and financial technology expertise. While the provided authoritative data shows only plaintiff-side representations, the firm's public profile indicates a broader practice that includes extensive experience defending major technology and life sciences companies in high-stakes disputes.

Paul Hastings has secured significant outcomes for prominent clients in patent disputes. This includes a notable Federal Circuit victory for Allergan that reshaped the doctrine of obviousness-type double patenting in the pharmaceutical industry and a defense verdict for Google against patent infringement claims concerning VoIP technology. The firm is particularly distinguished for its robust PTAB practice, having handled over 400 inter partes review (IPR) and post-grant review (PGR) proceedings for both patent owners and petitioners. Chambers USA ranks its PTAB litigation practice in "Band 1" nationwide.

The intellectual property practice is led by a team of highly-ranked attorneys. Key partners identified in the provided data and cited by legal directories include Bruce M. Wexler and Eric W. Dittmann in New York, who are recognized for their work in life sciences and biologics litigation, and Naveen Modi in Washington, D.C., an expert in post-grant proceedings.