Brian Horne is an experienced trial lawyer who litigates throughout the country for both plaintiffs and defendants. Mr. Horne’s cases involve a variety of industries, and he has won trials involving a wide range of disputes, including patent, trade secret, trademark, trade dress, and breach of contract.
Mr. Horne's trial teams have won more than $1 billion, and his teams have been featured in The National Law Journal’s list of Top 100 verdicts on multiple occasions. This includes a $466 million patent infringement verdict, which was the Number 1 IP and Number 5 overall verdict of the year. It also includes a $70 million trade secret verdict -- later enhanced to over $110 million -- which was the Number 6 IP and Number 21 overall verdict of the year. Mr. Horne’s trial teams have also won complete victories for defendants facing damages claims totaling more than $750 million dollars.
Mr. Horne is the Managing Partner of our Los Angeles office.
Brian has received multiple awards and has been honored for his legal accomplishments:
Named a “Leading Litigator – IP Litigation” in the 2022 edition of Lawdragon’s “500 Leading Litigators in America” guide
- Selected for inclusion in the Southern California Super Lawyers list for his work in intellectual property litigation in 2021-2018 and from 2016-2013
- Recognized in BTI Consulting Group's 2018 "Client Service All-Stars" report for his superior client service in IP Litigation
- Recognized in the Los Angeles Business Journal 2017 "Leaders in Law" awards
- Named a Southern California "Rising Star" in the 2009, 2010, and 2013 Super Lawyers magazine
Speeches & Seminars
Speaker, Trade Secret Remedies, The Knowledge Group (November 2018)
Speaker, Advanced Special Topics in the Mediation of Patent Cases: The Expert, The Client, and the Role of Force, Patent Disputes Forum South (December 2017)
Moderator, China: The Developing Frontier for IP Procurement and Enforcement Trends and Current Status, IPO Annual Meeting (September 2017)
Speaker, Significant Supreme Court Cases of 2014, IP Impact Seminar (October 2014)
Speaker, Patent Trolls and Legislation to Combat Them, Southern California Biomedical Council (May 2014)
Speaker, What Engineers Need to Know about Recent Developments in Patent Law, American Institute of Aeronautics and Astronautics (March 2014)
Moderator, Patent Monetization, LAIPLA Spring Seminar (June 2012)
Speaker, Collecting Patent Damages Suffered by a Related Entity, Association of Corporate Counsel (2010)
Speaker, Using Experts in Patent Cases, Forensic Expert Witness Association (2008)
Speaker, Establishing Royalty Damages, PLI Patent Litigation Seminar (2006, 2007)