Douglas E. Lumish

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.

Mr. Lumish is a Fellow of the Litigation Counsel of America, and has been praised by numerous publications including The American Lawyer which named Mr. Lumish a “Litigator of the Week” in 2013 for his jury trial win for TransPerfect in a multi-patent infringement case regarding website translation technologies. Chambers has listed Mr. Lumish every year since 2007, noting in 2014 that he is "very polished on his feet, with a good courtroom demeanor" and in 2013 that he is a "‘highly intelligent and highly organized’ patent litigator with particular expertise in the software and internet spheres.” The Daily Journal has repeatedly listed Mr. Lumish as one of the top 75 IP litigators in California (2011-15) and as one of the Top 100 Lawyers in California (2012-13), and named Mr. Lumish’s jury win for TransPerfect a "2013 Top Plaintiffs' Verdict by Impact." Also in 2013, Law360 named Mr. Lumish an “IP MVP”—one of only 10 in the country—and noted his jury win in East Texas as lead trial counsel for Google in a high-profile patent infringement trial against Eolas and the University of California. Mr. Lumish has been recognized by others including Intellectual Asset Management which lists Mr. Lumish on its Patent 1000 rankings of the world’s leading patent practitioners, Corporate Counsel which listed Mr. Lumish’s win for Hitachi against MIT and Magsil as one of its Top 10 wins for 2011, The Legal 500 and Super Lawyers.

Mr. Lumish has litigated cases across a diverse technology spectrum including internet and web technologies, database, file system and operating system software, video game technology, touch screen and smartphone technologies, stents, aneurysm treatment and other medical devices, camcorders and PC connectivity, data networking equipment and networking protocols, semiconductor equipment and processes, capillary electrophoresis equipment and processes, PCR equipment and processes, disk drives, cellular technology, biotechnology equipment and processes, and analog and digital circuit design.

His clients have included industry-leading companies such as:

  • Activision*
  • Adobe
  • Amazon 
  • Apple
  • Codexis
  • Disney
  • eBay*
  • Google*
  • HGST
  • Hitachi
  • Hyperion Solutions*
  • Intel*
  • JVC*
  • Life Technologies/Applied Biosystems
  • Matsushita*
  • Microsoft
  • Micrus Endovascular*
  • National Semiconductor*
  • Oracle
  • Skype
  • Symantec
  • Trimble*
  • Western Digital
  • WhatsApp
  • Yahoo!

Mr. Lumish co-taught a patent litigation course at Stanford Law School in 2010 and 2012. He is also a frequent speaker and writer on patent litigation matters. Prior to his legal career, Mr. Lumish was a systems consultant to computer and high technology companies and designed and implemented strategies to automate various business functions, employing a diverse mixture of mainframe, minicomputer, UNIX, and PC technologies.