Mr Marcus A. Barber > Kasowitz Benson Torres LLP > Redwood Shores, United States > Lawyer Profile

Kasowitz Benson Torres LLP
United States

Work Department



Commercial Litigation; Intellectual Property Litigation


Marcus A. Barber’s practice focuses on complex patent infringement cases involving a wide range of technologies including software, pharmaceutical and telecommunications.  He has experience in all phases of patent litigation, including fact and expert discovery, claim construction, motion practice and trial.

Marcus frequently litigates high-stakes matters for some of the largest technology and telecommunications companies in the world, including Google, LG, Uber, Verizon, ASUS, Samsung, Adobe and Sony Electronics.

Marcus was recognized by the Daily Journal on its 2020 Top 40 Under 40 list, an annual listing that recognizes California’s most promising lawyers under age 40, and named a 40 Under 40 professional by Silicon Valley Business Journal, reflecting his numerous litigation accomplishments, his success in developing new business, and his extensive community and volunteer work.  He also received the National Bar Association’s “40 Under 40 Nation’s Best Advocates” Award celebrating the country’s top 40 lawyers under 40 who have demonstrated significant achievements in the legal field, including in advocacy, innovation, vision leadership and overall legal and community involvement.  Marcus has also been included on Benchmark Litigation’s “40 & Under Hot List” and recognized in IAM Patent 1000 as a leading patent attorney in California.

Marcus currently serves on California Minority Counsel Program’s Ambassadors Council.

Prior to joining Kasowitz, Marcus was a law clerk to Margaret B. Seymour, U.S. District Court for the District of South Carolina, and also to Matthew J. Perry, Jr., U.S. District Court for the District of South Carolina.


California; South Carolina; Georgia


The University of Georgia School of Law (J.D., cum laude, 2008; Articles Editor, Journal of Intellectual Property Law); University of South Carolina (B.S., Chemistry, 2004)

Lawyer Rankings

United States > Intellectual property > Patents: litigation (full coverage)

Silicon Valley’s Jonathan Waldrop heads the team at Kasowitz Benson Torres LLP, which is sought out by defendants and plaintiffs from the technology and life sciences sectors and has a solid track record across the major federal patent venues. The group stands out for its growing presence in the Western District of Texas. The other key names are New York-based attorneys Jay Deshmukh and Hershy Stern, who make up the Hatch-Waxman team and focus on disputes arising from patents covering pharmaceutical products; and California-based duo Darcy Jones and Marcus Barber, who cover a wide range of technologies, including software and telecommunications.