Recognized as a competition law specialist.The International Who's Who of Competition Lawyers & Economists 2012 and 2013

Hanno F. Kaiser

San Francisco
  • 505 Montgomery Street
  • Suite 2000
  • San Francisco, CA 94111-6538
  • USA

Hanno Kaiser is a US and EU antitrust lawyer with a special focus on high-technology industries and the overlap of antitrust and intellectual property.

Mr. Kaiser has represented clients in merger and conduct matters before the Federal Trade Commission, the US Department of Justice, the European Commission, the German Federal Cartel office and other agencies, as well as in civil antitrust and IP litigation.

He has particular expertise in antitrust matters involving complex intellectual property issues, including standard setting and patent pools. He also advises technology firms in privacy and cybersecurity matters.

Mr. Kaiser’s clients include Apple, Lenovo, Mozilla, Omnicom, Oracle, RPX, SanDisk, Symantec, Thoratec, Toshiba, Twitter, and Yahoo! He has also advised a broad range of clients in the gaming and hospitality space, including Caesars, Hilton, Orbitz and Shufflemaster.

Mr. Kaiser is an adjunct professor for antitrust at UC Berkeley, Boalt Hall School of Law. His most recent class is "Silicon Valley Antitrust v.4" (Fall 2014). He regularly speaks and publishes about antitrust, law and economics and jurisprudence. Mr. Kaiser served on the Antitrust and Trade Regulation Committee of the Bar of the City of New York (2005-2007) and on the New York State Bar Association's Antitrust Law Section's Executive Committee (2006-2007). Prior to joining Latham, he practiced EU competition law with the Düsseldorf office of Shearman & Sterling.

Please see for a complete list of publications, presentations and additional background.

Mr. Kaiser's representative experience includes advising:

  • WhatsApp in its US$21.8 bilion sale to Facebook
  • National Semiconductor in its US$6.5 billion acquisition by Texas Instruments
  • Oracle Corporation in its US$7.4 billion acquisition of Sun Microsystems
  • RPX in civil antitrust/IP litigation
  • SanDisk, Symantec and Toshiba in various civil antitrust/IP litigations against large-scale patent assertion entities 
  • Xyratex in its US$294 million acquisition by Seagate
  • Twitter in its US$350 million acquisition of MoPub
  • Yahoo! in its US$1.1 billion acquisition of Tumblr
  • GTCR and its portfolio company, Cision, in its acquisitions of Vocus and Gorkana
  • Major internet company on privacy and cybersecurity issues