The Firm: Proskauer Rose is praised for its dedication to litigation, and remains a key player in the New York market. Its impressive commercial litigation expertise is complemented by its ability to handle a range of white-collar criminal defense matters. The group is also increasingly highlighted for its securities litigation practice. Its recent work demonstrates a diverse practice, with attorneys representing clients in antitrust, healthcare and sports-related disputes, among other types. Its client base includes Deutsche Bank, NYSE Euronext and Zurich.

Sources Say: "They have first-rate client service and responsiveness, and enormous resources and experience."

Key Individuals: Robert Cleary is highly praised for his experience in white-collar criminal litigation, and for his expertise as a trial lawyer. He has the ability to "move seamlessly between criminal and civil matters," say sources, "and tremendous experience and intuition." His recent work includes successfully representing former Marsh executive William Gilman.

Bruce Fader is a highly experienced, "knowledgeable and practical" litigator. He is noted for his expertise in a wide range of commercial litigation and arbitration.

Bradley Ruskin has superb strength in commercial litigation and trials, and notable expertise in disputes relating to sports law. His recent work highlights include representing the Office of the Commissioner of Major League Baseball in matters arising from the Los Angeles Dodgers bankruptcy litigation.

"Talented litigator" Dietrich Snell is a new entry to the rankings. He has significant experience in white-collar criminal defense, having served as New York Attorney General and an Assistant US Attorney. He recently represented Columbia Utilities in an investigation into its marketing strategies.