Williams & Connolly LLP

The intellectual property group at Williams & Connolly LLP is praised as ‘exceptional in its creativity and focus on accomplishing client goals' and has deep technical knowledge and extensive experience in disputes relating to patent infringement. Based in Washington DC, the team represents clients in a wide range of industries, and is particularly experienced in the life sciences sector, having acted on behalf of companies such Pfizer, AstraZeneca and Teva Branded Pharmaceutical Products. The firm’s patent litigation practice is co-chaired by David Berl, who specializes in the biotech, pharmaceutical and energy fields, and Jessamyn Berniker, who acts for clients from a wide range of industries in patent and licensing disputes. The group also includes Thomas Selby, who focuses on patent and licensing litigation, Stanley Fisher, who specializes in patent infringement claims affecting tech companies, and experienced litigator Dov Grossman who primarily acts on behalf of large pharma clients . Elise M. Baumgarten and Shaun P. Mahaffy are also key contacts.