Federal Judge Profile

Lucy Koh

N.D. California / 9th Circuit • 9th Circuit

Appointed by Barack Obama / Joe Biden, 2010

Ruling Tendencies

Intellectual Property

Presided over Apple v. Samsung $1B verdict

Corporate/Securities

Tech industry expertise; balanced on corporate disputes

Civil Rights

Progressive on workplace discrimination claims

Background

Presided over Apple v. Samsung. Tech/IP expertise. Elevated to 9th Circuit 2021.

Last analyzed: May 2026 · 3 case-type tendencies profiled · Full analytics, predictions, and reversal rates available with subscription

Unlock Full Intelligence

Get ruling pattern analytics, case outcome predictions, reversal rates, opposing counsel head-to-head data, and client-ready PDF reports for Lucy Koh.

Get Started — $79/seat/mo