Irell & Manella

Irell & Manella is a California-based firm with a top national ranking for general patent litigation. Most notably, the firm is a significant player in patent disputes related to biologics, with an expanding book of clients in the area. A peer praises Irell's litigation team over its competitors, saying they have a "deeper understanding of the law, dig into the facts more and are better strategic thinkers." Another peer says there is "an overabundance of talent at this law firm."

Morgan Chu is one of the most celebrated patent litigators in the country, and remains a leader in the firm's practice. He currently serves as chair of the litigation group. Jason Sheasby represents the firm's incoming generation of litigation talent and has quickly developed a name in the legal market for his work in patent disputes.