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 International Trade Commission. David has represented clients in a wide array of patent, trade secret, copyright, and trademark litigations. In addition to litigation, David regularly counsels clients regarding intellectual property and licensing issues.
Since joining Quinn Emanuel, David has tried intellectual property cases to verdict successfully in the telecommunications, computer software, semiconductor, biotechnology, and pharmaceutical fields. David has also resolved cases successfully prior to trial by way of summary judgment or by way of settlement following favorable pretrial proceedings in the computer software, medical device, semiconductor, information technology, and biotechnology fields.
- Charter Communications
- Time Warner Cable
- Barnes & Noble
- Metaswitch
- Johnson & Johnson
- Represented Charter Communications in a patent infringement case in which the patent holder alleged that Charter Communications infringed three patents directed to video streaming from a remote device. Charter Communications obtained a dismissal with prejudice as to one asserted patent and then an early grant of summary judgment of non-infringement as to the other two asserted patents.
- Represented Barnes & Noble in patent infringement case in which the patent holder alleged that Barnes & Noble’s NOOK eReader products infringed two patents related to methods for syncing information between two or more devices in a network. Barnes & Noble obtained summary judgment of non-infringement as to both asserted patents. On appeal, the Federal Circuit affirmed the grant of summary judgment.
- Represented Time Warner Cable in a patent infringement case in which patent holder alleged that Time Warner Cable infringed a patent relating to video-on-demand technology. On summary judgment, Time Warner Cable invalidated the asserted patent under Section 101. The Federal Circuit affirmed the grant of summary judgment on appeal.
- Represented Waymo in trade secret misappropriation case involving autonomous vehicle technology. Waymo obtained a preliminary injunction and other provisional relief prior to trial. The case settled on the fourth day of trial pursuant to a confidential settlement agreement.
- Represented Barnes & Noble in ITC proceeding in which the patent holder alleged that Barnes & Noble’s NOOK eReader products infringed patent directed to the manner in which hardware components on microprocessor are clocked. After a seven-day trial, the ALJ issued his initial determination finding that Barnes & Noble’s accused products did not infringe and that Barnes & Noble had not violated Section 337. The Commission subsequently affirmed the ALJ’s claim constructions and non-infringement findings and, therefore, terminated the investigation.
- Represented Johnson & Johnson subsidiary Ortho-McNeil in a patent inventorship dispute relating to new biological drugs for the production of red blood cells. The dispute included lawsuits in Germany and the United States and culminated in a major multi-year arbitration. After 34 days of testimony, the arbitration panel ruled in favor of Ortho-McNeil.
- Represented Barnes & Noble in ITC proceeding in which the patent holder alleged that Barnes & Noble’s NOOK eReader products infringed patents relating to browser, user interface, and reader software technology. After a four-day trial, the case settled on favorable terms.
- Represented Metaswitch in trade secret misappropriation case involving voice over internet protocol (VOIP) technology. Metaswitch obtained dismissal of case on subject matter jurisdiction grounds.
- Represented Johnson & Johnson subsidiary ALZA in a patent inventorship dispute in which two individuals claimed that they were the inventors of an ALZA patent covering liposomes used for the targeted delivery of pharmaceuticals. After a one-week bench trial, the district court rejected the claim of inventorship and entered judgment in favor of ALZA.
- Represented Varian in trade secret misappropriation case involving semiconductor fabrication equipment. After preliminary motion practice, the case settled on favorable terms.
- Represented Charter Communications in three copyright cases brought by major record companies and music publishers alleging claims of secondary copyright infringement of sound recordings and musical compositions based on internet customers’ alleged downloading and sharing of music files through the use of peer-to-peer technologies. All three cases settled on the eve of the trial of the first case.
- University of California, Hastings College of the Law
(J.D., magna cum laude, 1984)- Order of the Coif
- Thurston Society
- Hastings Constitutional Law Quarterly:
- Senior Articles Editor, 1983-84
- Senior Articles Editor, 1983-84
- Brown University
(A.B., 1980)
- The State Bar of California
- District of Columbia Bar
- United States Court of Appeals:
- Federal Circuit
- Ninth Circuit
- United States District Courts:
- Northern District of California
- Central District of California
- Eastern District of California
- Southern District of California
- Eastern District of Texas
- Western District of Tennessee
- Western District of Wisconsin
- Law Clerk to the Hon. Charles A. Legge, United States District Judge:
- Northern District of California, 1984-1985
- Listed in Best Lawyers in America for Commercial Litigation (2013-2025)
- Selected as a SuperLawyer (2004-2020)
- Member, American Intellectual Property Law Association
- Member, American Bar Association Section of Intellectual Property Law
- Member, The State Bar of California:
- Intellectual Property Litigation Section