Douglas Lumish > Latham & Watkins LLP > Silicon Valley, United States > Lawyer Profile

Latham & Watkins LLP
CA 94025
United States
Douglas Lumish photo

Work Department

Doug Lumish is lauded as one of the nation’s top patent trial lawyers and has served as lead trial counsel on numerous matters for the country’s preeminent technology companies. In this role he has won jury trials and summary judgments for plaintiffs and defendants alike, and has defeated billions of dollars in patent infringement claims against his clients. He is Vice Chair of the firm’s Litigation & Trial Department and former global Co-chair of Latham's IP Litigation Practice.


Litigation Partner


Lawyer Rankings

United States > Intellectual property > Trade secrets (litigation and non-contentious matters)

(Leading lawyers)

Douglas LumishLatham & Watkins LLP

Chicago-based global chair of Latham & Watkins LLP‘s intellectual property litigation practice David Callahan co-leads its ‘top-notch’ trade secret offering alongside its vice-chairs, the San Diego-based Jennifer Barry , New York’s ‘very experienced’ Tony Sammi, and Jeff Homrig, who works from the Austin office. Sammi is experienced in leading on big-ticket cases for well-known corporations, with one key example the $1bn defense of Universal Alloy Corp. in a highly technical trade secret dispute. The team is adept in advising its varied client portfolio on the full scope of related matters, from the development of programs to protect trade secrets at their inception, to enforcing and defending complex claims. There is experience across the offering in providing advice to clients in the cybersecurity, travel, automotive, and financial services sectors, in particular. Douglas Lumish , based in San Francisco’s Bay Area, leads on some of the team’s most noteworthy matters, such as its work for Skyryse, Inc in defense of the allegation that they stole aviation-related sensitive data belonging to the US Federal Government. Illinois’ Matthew Walch is described as ‘one of the best trial lawyers anywhere’. 

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

(Hall of Fame)

Douglas LumishLatham & Watkins LLP

The patent litigation team at Latham & Watkins LLP  offers expertise across cross all aspects of intellectual property, evidenced by an impressive history of success for Fortune 100 and numerous blue-chip companies. The team is well-integrated and highly capable of handling complex disputes across jurisdictions, in district and federal court, the International Trade Commission, and the Patent Trial and Appeal Board. With experience across industries, the team regularly acts for major pharma companies, including Amgen, Biogen, Johnson & Johnson, Abbott Laboratories, Regeneron, and Eagle Pharmaceuticals. David Callahan from the firm’s Chicago office is the global chair of the practice, regularly acting as a first-chair trial lawyer. The global vice chairs include Tony Sammi in New York, Jeff Homrig in Austin, and Jennifer Barry in San Diego. In Silicon Valley, Douglas Lumish is a key lawyer in the team, frequently acting on high-profile and precedent-setting matters. Maximilian Grant  and Matthew J. Moore in Washington DC are both integral figures, with extensive experience.

United States > Intellectual property > Patents: litigation (International Trade Commission)

Latham & Watkins LLP offers a team of experienced patent litigators with impressive ITC expertise, frequently representing major companies in high-profile litigation. Notable cases from the last year include achieving a favorable settlement for Jaguar Land Rover, successfully asserting five patents against The Chamberland Group on behalf of the Overhead Door Corporation, and representing Taiwan Semiconductor Manufacturing Company in an investigation linked to advanced semiconductor technology that is set to have industry-wide effects. Based in Washington DC, Bert Reiser and Jamie Underwood co-chair the ITC practice, both widely lauded for their expertise and litigious capabilities. Also based in Washington, Maximilian Grant, and Michael David are integral to the team, as is Douglas Lumish, who operates out of the firm’s Silicon Valley and San Francisco offices.