David Eiseman founded Quinn Emanuel’s first Northern California office in 1997, and is the Co-Managing Partner of the firm’s San Francisco office. David’s practice focuses on intellectual property litigation in the federal courts and the ITC. David has represented clients in a wide array of patent, copyright, and trademark infringement matters, as well as patent licensing, trade secret misappropriation, and unfair competition litigation. In addition to litigation, David regularly counsels clients regarding intellectual property issues.
Since joining Quinn Emanuel, David has litigated a substantial number of patent cases in the federal courts and the ITC, including cases for Barnes & Noble, Johnson & Johnson, Charter Communications, and Metaswitch. David has tried patent cases to verdict successfully in the wireless communications, semiconductor, biotechnology, and pharmaceutical fields. David has also resolved patent cases successfully prior to trial by way of summary judgment or by way of settlement following favorable claim construction rulings or other pretrial proceedings in the computer software, medical device, semiconductor, information technology, and biotechnology fields.