Weil, Gotshal & Manges LLP maintains a broad appellate presence with particular strength in the media, technology, and consumer product sectors. Zack Tripp, who operates across New York and Washington DC, co-chairs the team alongside New York-based Robert Niles-Weed to handle a diverse docket encompassing antitrust, bankruptcy, and the Foreign Sovereign Immunities Act. Tripp focuses on significant e-commerce disputes and appeals involving the Communications Decency Act, while Niles-Weed is frequently engaged for his expertise in securing emergency stays and managing high-stakes distribution litigation. The group’s Washington DC presence is anchored by veteran Mark Perry, who regularly leads on complex IP and copyright appeals for multinational clients. In October 2025, the firm expanded its Boston office with the addition of Adam Gershenson from Cooley LLP.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Weil, Gotshal & Manges has top-notch legal thinkers and writers. They have no sharp elbows when working with other counsel, both as legal support of a trial team and as appellate counsel picking up a case post-judgment.’
- ‘The firm has top-notch legal analysis, strategy, and writing capabilities. It collaborates well with trial counsel, whether as legal support while a case is before the trial court or as appellate counsel post-judgment.’
- ‘Mark Perry is a great legal strategist with deep knowledge of Federal Circuit and Supreme Court issues. Josh Wesneski has a deep understanding of constitutional issues.’
- ‘The team is fantastic and creative, as well as business-savvy.’
Key clients
- Altria Group
- Paramount Global
- Rimini Street
- Grubhub
- ExxonMobil
- TripAdvisor and its directors
- Saks Fifth Avenue
- CareDx
- Edwards Lifesciences
- Elanco
- Warner Bros. Discovery
- The Sears Liquidating Trust
Work highlights
Delivered a precedential Ninth Circuit victory for Rimini Street in a copyright dispute against Oracle, establishing the legal standard for derivative works under the Copyright Act.
Secured a Federal Circuit victory for Altria Group in a patent dispute against R.J. Reynolds, affirming a $95 million damages award and a 5.25% ongoing royalty regarding e-vapor device technology.
Won a circuit-splitting appellate victory for Paramount Global in a putative nationwide class action regarding alleged violations of the Video Privacy Protection Act.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Robert Niles-Weed; Zack Tripp
Other key lawyers
Mark Perry; Greg Silbert; Josh Wesneski; Adam Gershenson