Arnold & Porter

Operating across the full spectrum of trademark litigation, Arnold & Porter retains a core practice in the brand protection and enforcement space, and is routinely engaged by companies operating in the tech, luxury goods, consumer products, and pharma industries. Seasoned litigator and tech sector specialist Matthew Wolf, who is based in Washington DC, and the vastly experienced Chicago-based Dina Hayes, whose multifaceted expertise includes working in cases involving power tools, biomedical infusion devices and digital audio fingerprinting methods, jointly spearheads the practice. In New York, Paul Llewellyn employs considerable expertise in handling infringement litigation, covering a diverse array of sectors from pharma and industrial products to luxury goods and consumer goods. Also in New York, Dori Hanswirth draws on experience handling TTAB proceedings, and Louis Ederer handles anti-counterfeiting -related matters. In Chicago, Michael Harris and Christopher Henk handle high-stakes lawsuits at the federal and appellate levels, while in Washington DC, John Rynkiewicz advises a considerable number of clients in relation to domestic and international-scale litigation. Other key names to note in New York include Theresa House and Matthew Salzmann.