Hanno F. Kaiser

San Diego | San Francisco
  • 12670 High Bluff Drive
  • San Diego, CA 92130
  • USA

Hanno Kaiser is a US and EU antitrust lawyer with a focus on complex transactions, 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, MOFCOM, and other agencies, as well as in civil antitrust and IP litigation.  

Mr. Kaiser is particularly experienced in antitrust matters involving complex transactions, intellectual property issues, including standard setting, and patent pools.

Mr. Kaiser's clients include:

  • Apple
  • Facebook
  • WhatsApp
  • Toshiba
  • Symantec
  • Broadcom
  • Microsoft

Mr. Kaiser's representative experience includes advising:

  • Globe Specialty Metals in its US$3.1 billion sale to FerroAtlantica
  • WhatsApp in its US$21.8 billion sale to Facebook
  • Kimpton Hotels & Restaurants in its US$430 million sale to InterContinental
  • Thoratec in its US$3.4 billion sale to St. Jude Medical Inc.
  • Cision in its acquisition of Vocus and Gorkana
  • Protection 1 in its sale to Apollo Global Management
  • 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 civil antitrust/IP litigation 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
Thought Leadership

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.7" (Fall 2017). Mr. Kaiser regularly speaks and publishes about antitrust, law and economics, and jurisprudence. For additional background: www.hannokaiser.com.

  • Hot Button Antitrust Developments in Pharma and Biotech: What to Know and What to Watch Out For (June 18, 2015)
  • EU E-Commerce Sector Inquiry: Navigating Risky Waters and Seizing Opportunity (May 12, 2015)
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