Arnold & Porter

Arnold & Porter's New York IP group is notable for its capabilities in patent and trademark litigation, earning highly recommended status this year in these areas. The firm has also expanded its practice in the copyright area with the recent addition of IP attorneys.

Key practitioners in the patent area include David Barr, David Benyacar, Daniel DiNapoli and Aaron Stiefel. The group is well-versed in patent litigation, with a particular emphasis on pharmaceutical disputes.  In trademark and copyright, the firm is supported by partners Louis Ederer, Dori Hanswirth and Paul Llewellyn. The team specializes in an array of services, including prosecution and enforcement.

For the group’s standout year of representations, Arnold & Porter was chosen by Managing IP for the United States Life Sciences IP Litigation Firm of the Year Award in 2021. The firm was also shortlisted for the US Transactions Firm of the Year award.

Clients of the firm include Novartis, Pfizer and Sanofi. The firm continues to be active in the Hatch-Waxman patent litigation area, with recent representations for Pfizer in disputes against generic challengers.

The firm is active for Bulgari, Hershey, Google, Pernod Ricard and Pfizer.

For client Hershey the firm served as lead counsel in opposition proceedings against food manufacturers Mars and Unilever.

The firm’s activity for Google involves portfolio advice and name clearance, responding to office actions, and instituting opposition proceedings instituted before the TTAB.