O'Melveny
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The appellate group at O'Melveny handles merits briefing, oral advocacy, and amicus curiae strategy across every federal circuit and numerous state courts of last resort. The practice is led from Washington DC by Jonathan Hacker, who has appeared before the US Supreme Court multiple times and recently secured a Sixth Circuit reversal for Admiral Insurance Company on a jurisdictional issue regarding PFAS-related claims. New York-based partner Anton Metlitsky is a ‘thoughtful’ and ’absolutely top-notch’ litigator who recently represented JPMorgan Chase in a Second Circuit victory concerning document control involving foreign subsidiaries. Metlitsky also scored a major Fourth Circuit victory on behalf of Edwin Brown, securing his eligibility for release from prison. Meaghan VerGow is a highly regarded Washington DC practitioner with an emphasis on health care, ERISA, and insurance-related class actions. Jeffrey Fisher departed the firm in February 2026 to join Hecker Fink LLP.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Anton Metlitsky is an absolutely top-notch appellate litigator; he is thoughtful, practical on the approach, and smart on the risks and benefits. I trust him.’
Key clients
- JP Morgan Chase & Co.
- Admiral Insurance Company
Work highlights
Represented Admiral Insurance in a landmark victory before the Third Circuit, securing a precedent-setting ruling on a significant jurisdictional issue that had previously divided federal appellate courts nationwide.