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David Enzminger is a litigation partner in Winston & Strawn’s Los Angeles office. Mr. Enzminger focuses his practice on technology litigation, emphasizing patent, trade secret, trademark, and antitrust matters.
Mr. Enzminger’s extensive experience handling complex patent and trade infringement cases in state and federal courts for clients in the telecommunications, computer hardware and software, and manufacturing industries earned him recognition as one of the “Top 75 California IP Litigators” in 2013 by the Daily Journal.
He has a nuanced understanding of cutting-edge technologies, as well as a track record of success as a “superb first-chair trial lawyer” (IAM Patent 1000). Mr. Enzminger has participated in bench and jury trials, including serving as first chair in more than 15 matters. As lead trial counsel, his 2012 jury verdict for client Belkin was selected by the Daily Journal as a “Top Verdict” of 2012. This case involved technology related to wireless network technology and access point devices.
Additional clients include Motorola, International Game Technology, Google, Raytheon, Pepsi Cola Co., and Luxottica Corp.
Mr. Enzminger’s representative cases include the following:
- Representing a leading manufacturer of slot machines and other gaming products in a patent infringement actions involving slot machine system technology pending in the District of Delaware and Nevada.
- Representing a computer products peripheral supplier in patent actions pending in the Northern District of California, Delaware, Oregon, and the Eastern District of Texas.
- Representing a manufacturer of cellular telephones and wireless technology in several patent litigation matters pending the Southern District of California.
- Represented a major beverage company in a patent infringement action in the Central District of California relating to Internet advertising technology.
- Represented a leading gaming company in a trade secret misappropriation and unfair competition matters in California and Nevada.
- Represented a leading provider of Client Relationship Management (CRM) software in litigations in state and federal court against a competitor involving alleged theft of trade secrets, false advertising, and unfair competition; the case included a six-week trade secret misappropriation trial.
- Represented a manufacturer and supplier of audio, video, and computer peripherals and accessories in a patent infringement case pending in the Western District of Washington, which involves KVM computer switch technology, and in the Northern District of California, which involves patent infringement in spread spectrum wireless communications.
- Represented a manufacturer of zero-emission, freeway-speed electric vehicles in trade secret, trademark, and contractual matters in the Superior Court for the State of California.
- Represented a semiconductor company in a patent case in the Northern District of California involving semiconductor products for power supply regulation.
- Represented a telecommunications company in a series of patent infringement matters relating to fiber optic transceiver technology in the Northern District of California, the Central District of California, and Delaware.
- Represented a computer components manufacturer in a patent infringement case in the Central District of California relating to computer cooling fans.
- Represented a leading supplier of consumer video editing software in a patent infringement case in the Eastern District of Texas.
- Represented a large telescope manufacturer with respect to telescope optics technology.
- Represented a leading software company in a patent infringement and trademark infringement case relating to Internet CD recognition services in the Northern District of California.
- Represented a manufacturing company in a patent infringement case involving laser manufacturing technology.
- Represented a recreational products company in a patent infringement case in the Central District of California involving a brake design for a scooter.
- Represented a major telecommunications company in a patent infringement action in the District of Delaware involving five patents relating to semiconductor products for power supply voltage regulatory circuits.
- Represented a computer manufacturer in the Northern District of California (San Jose) in a series of matters involving 18 patents in a broad array of computer disk drive technologies.
- Represented an electronics components maker in a Central District of California action involving antitrust, patent, and trade secret issues.
- Represented an automotive components importer in a patent infringement action after a jury awarded substantial damages at trial while the client was represented by another firm; the court then vacated the judgment and dismissed the client from the lawsuit.
- Represented a designer of architectural water features and fountains in a trade secret misappropriation action in California Superior Court.
Honors and Awards
Mr. Enzminger was recognized by the Daily Journal as a “Top 75 California IP Litigators” in 2013 and International Asset Management (IAM) in their 2012 IAM Patent 1000 survey, calling him a “superb first-chair trial lawyer” for his work in patent litigation and antitrust matters. He was also featured in the 2012 Los Angeles Business Journal report, “Who’s Who in L.A. Law: Angelenos to Know in Intellectual Property Law.”
Activities
Mr. Enzminger is a member of the American Intellectual Property Law Association committees on Antitrust and Patent Litigation; the American Bar Association sections of Antitrust Law and Intellectual Property Law; the Association of Business Trial Lawyers; the Executive Committee of the California State Bar’s Litigation Section; and the Los County Bar Association.
Education
Mr. Enzminger received a B.A. in Political Science and German, cum laude, from the University of Redlands in 1985, where he was Phi Beta Kappa. He received a J.D., cum laude, in 1988 from Arizona State University, where he was a staff member and associate editor with the Arizona State Law Journal.
Speeches and Publications
Mr. Enzminger’s publications include “Adoptive Admissions in Patent Litigation: Third Party Content on a Company’s Website,” Intellectual Property Today, October 2009. His speeches and presentations include “Current Topics and Developments in Intellectual Property Damages,” California Society of Certified Public Accountants, Aug. 15, 2008; “The Effects of Substitutes and Complements on Lost Profit Damages,” Calculating and Proving Patent Damages, Law Seminars International, Jan. 2005, Los Angeles; “Applying Daubert Principles to Use of Computer Simulation to Develop an Estimate of the ‘But For World for Patent Damages,” Law Seminars International, Nov. 2004, Seattle; and “Case Study: Applying Daubert Principles to the Use of Computer Simulation to Develop an Estimate of the ‘But For’ World for Computer Damages,” Calculating and Proving Patent Damages, Law Seminars International, June 2004, Reston, Virginia.
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