Mark Perry > Weil, Gotshal & Manges LLP > Washington DC, United States > Lawyer Profile

Climbing a tier for 2023, Weil, Gotshal & Manges LLP’s recent hiring spree, coupled with its ability to lean on the wider firm’s top-tier bankruptcy offering, has seen its appellate profile rocket over the past two years. Among the new arrivals, the Washington DC office welcomed new department co-head Mark Perry in May 2022 from Gibson, Dunn & Crutcher LLP. Perry recently represented Apple–as co-counsel alongside his former firm–before the Ninth Circuit in a significant antitrust case brought by Epic Games. On the bankruptcy front, New York-based practice co-chair Gregory Silbert successfully represented Morgan Stanley in multibillion-dollar litigation arising from Tribune Company’s leveraged buy-out. Additionally, Washington DC-based department co-chair Zachary Tripp represented the respondent, Kieran Buckley, before the US Supreme Court in a high-profile bankruptcy case discussing issues of fraud liability. The group also includes New York’s Adam Banks, who had a strong recent run of appeals in the IP sphere.

With a diverse client base spanning the chemical, energy, insurance and pharmaceutical industries, Weil, Gotshal & Manges LLP is a well-established practice in commercial disputes, regularly handling class actions in state and federal courts across the United States. The teams expertise include matters pertaining to consumer fraud, unfair competition, alter ego liability, insurance, trade secrets litigation and alleged violations of federal RICO or antitrust laws. The department is co-chaired by David Lender and Gregory Silbert in New York, and Andrew Tulumello in Washington DC. Diane Sullivan is based in New Jersey and specializes in commercial, mass tort, and class action cases in the life sciences, healthcare, pharmaceutical, and consumer product sectors. Chantale Fiebig in Washington and Liz Ryan in Dallas are also key players. Mark Perry joined in May 2022 as co-head of appeals from Gibson, Dunn & Crutcher LLP.