Photo of Zach Summers

Zach Summers

Partner, Quinn Emanuel

213-443-3248zachsummers@quinnemanuel.com

865 S. Figueroa St.
10th Floor
Los Angeles, California 90017

View Firm Biography

Zach Summers is a partner in Quinn Emanuel’s Los Angeles Office. Summers is a patent litigator. He has represented life sciences clients such as the Broad Institute of MIT and Harvard, Samsung Bioepis, and Halozyme Therapeutics, Inc., as well as Qualcomm, Samsung, MediaTek, Google, and others. In 2025, Summers was named one of Lawdragon’s 500 Leading Litigators in America and 500 Leading Global IP Litigators, after being named to Lawdragon’s Next Generation list (500 X) in 2023. 

Summers was previously stationed in Quinn Emanuel’s New York Office.

Lawdragon Honors

Honor Year Practice
The 2027 Lawdragon 500 Leading Litigators in America 2027 Technology Litigation, esp. Patent Trials
The 2026 Lawdragon 500 Leading Global IP Lawyers 2026 IP, Litigation, Patent, Tech
The 2026 Lawdragon 500 Leading Litigators in America 2026 Technology Litigation, esp. Patent Trials
The Inaugural Lawdragon 500 Leading Global IP Lawyers 2025 IP, Litigation, Patent, Tech
The 2025 Lawdragon 500 Leading Litigators in America 2025 Technology Litigation, esp. Patent Trials
Lawdragon 500 X – The Next Generation 2023 Technology Litigation, esp. Patent
  • Representing the Broad Institute in multiple on-going CRISPR-Cas9 patent interference proceedings, including successfully defending Broad’s foundational CRISPR-Cas9 patents in an Interference against CVC.
  • Representing Bard Dickinson in concurrent district court and IPR proceedings related to surgical prep products.
  • Successfully defended VIZIO in multiple patent infringement cases in the Central District of California, including a complete victory on summary judgment in a three patent case and successful defense on appeal.
  • Successfully defended Samsung against Apple in a follow-up patent infringement trial in the Northern District of California (Apple v. Samsung II) and the subsequent appeal of Markman and infringement issues.
  • Successfully defended MediaTek against NXP at the ITC in a case involving various semiconductor technologies. 
  • Represented LED manufacturer Cree at the ITC in a case involving LED technology and patents, including securing terminating sanctions in favor of Cree’s false advertising claims.
  • Defended LED company Everlight in a patent infringement action in the Eastern District of Michigan involving semiconductor and phosphor patents, invalidating the asserted claims of two heavily-licensed white-light LED patents on obviousness and enablement grounds in a jury trial.
  • Represented Motorola in district court proceedings and an ITC trial against Apple in a case involving wide range of patents and smartphone and wireless technologies.
  • Drafted briefing for appeal in prosecution of key patent for Moldex related to mask technology.