Sean D. UngerSean D.Unger
Partner, Complex Litigation
Sean D. Unger is a partner in the Litigation Department of Paul Hastings and is based in the firm’s San Francisco office.
Sean represents and advises clients in mass torts, class actions, antitrust and competition matters, trade secret cases and intellectual property disputes in state and federal courts around the country. His practice emphasizes appellate litigation. He has briefed or argued cases in numerous state and federal courts of appeal. He has represented both parties and amicus before the United States and California supreme courts. Sean has also represented clients in need of post-trial disaster mitigation. He has successfully brought post-trial motions for new trial and motions for judgment as a matter of law, reducing or eliminating multimillion-dollar judgments.
Clients have included a broad range of companies, including Andersen Windows, Samsung, Gallo Wineries, GE, LG Display, Babcock & Wilcox and Quanta Computers.
A defendant in a Price Anderson Act case before the 3rd Circuit.
A video game company before the California Court of Appeal.
- Ones to Watch, Commercial Litigation
Best Lawyers in America (2024)
- Ones to Watch, California
Best Lawyers in America (2024)
"Supreme Court Opinion on Preclusive Effect of TTAB’s Registration Decisions Has Important Implications for Trademark Owners," Bloomberg BNA, Co-Author
2015
"Ninth Circuit Comes Around on CAFA," Law360, Co-Author
2015
"Ninth Circuit Will Clarify Process Service for International Corporations," Law360, Co-Author
2015
"Peeling the Onion: Appellate Lawyers’ Take on Disparate Cases," Bloomberg BNA, Co-Author
2015
"Class Actions and the Ninth Circuit: Different Consumer Contracts Defeat Predominance," Bloomberg BNA, Co-Author
2014
"Supreme Court in Daimler AG v. Bauman Limits General Jurisdiction Over Foreign Companies," ABA Section of Public Utility Communications and Transportation Law, Co-Author
2014
"High Court Continues To Restrict Personal Jurisdiction," Law360, Co-Author
2014
"Courts Continue To Accentuate the Ascertainable Class," Law360, Co-Author
2014
"Ninth Circuit Clarifies Scope of Rule 26 Expert Discovery," Law360, Co-Author
2014
"Settling With Named Plaintiffs in Federal Class Actions: Does Timing Matter?," Bloomberg BNA, Co-Author
2013
"An Appellate Lawyer’s Role in a Trial," Bloomberg BNA, Co-Author
2013
"Emerging Trends in Class Action Settlements in the Ninth Circuit," Bloomberg BNA, Co-Author
2013
"Bifurcated Discovery in Class Actions," Bloomberg BNA, Co-Author
2011
"Clemens v. Daimler – The Ninth Circuit Addresses a New Twist in the law of Cross-Jurisdictional Tolling," Mealey’s Litigation Report: Class Actions, Co-Author
2008
"Speeding Things Along," Los Angeles Daily Journal, Co-Author
2008
"The Rise and Fall of the U.S. Capital Markets: The Potential Impact of Recent Developments on U.S. and Foreign Securities Laws," Bloomberg Law Reports: Securities Law, Co-Author
2008
"Court Weighs Whether Mergers Wipe Out Derivative Actions," San Francisco Daily Journal, Co-Author
2006
"Judge Arnold’s Four Rules: A Model for a Life in the Law," 27 U. ARK. LITTLE ROCK L. REV. 387
2005
Former Advisory Board Member
East Bay Community Law Center
Former Board Member
AIDS Legal Referral Panel