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525 B Street, Suite 2200
San Diego, California 92101
Direct Phone: 619.515.3207
Direct Fax: 619.744.5407
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Lisel M. Ferguson


United States Patent and Trademark Office
Foreign Language(s)

Lisel is co-chair of Procopio’s Sports and Active Lifestyle Practice Group. Her practice focuses on patent, trademark and copyright prosecution worldwide, and intellectual property litigation throughout the US. Lisel has handled matters involving computer hardware and software, sporting goods, apparel, the Internet, entertainment, medical devices, agricultural products and services and consumer goods. She is admitted to practice before all the Federal and State Courts in California, the US Court of Appeals, the US District Court of Colorado, the US District Court of Arizona and the US District Court of Utah, as well as Federal Circuit Court.

Lisel is also experienced in handling intellectual property issues specifically for the sports and active lifestyle industry. As a co-chair of Procopio’s Sports and Active Lifestyle Practice Group, she is actively involved, not only professionally, but personally, too. In her spare time, she enjoys horseback riding, competing in dressage and Three Day Eventing, water skiing, snow skiing and participating in triathlons.

Prior to practicing law, Lisel spent over five years working full time in the professional fields of science and biology, managing eco-tourism research projects and marine mammal diving physiology research. She also managed a cognitive science study on children with focal lesions for UCSD, Salk and Children’s Hospital. She worked for Scripps Institute of Oceanography, UCSD and for an International Turtle Conservation Group where she assisted with numerous professorial level and Ph.D. research projects in addition to co-authoring scientific journal articles.

Prior to joining Procopio, Lisel handled a broad range of Intellectual Property matters for the San Diego law firm of Perkins & Miltner, where her practice also focused on business, environmental, construction, trademark, patent, copyright and equine litigation.

Representative Matters

Intellectual Property Litigation

  • Resolved a patent infringement action involving nutritional supplements for animal feed.
  • Defended a guitar manufacturer in trademark/trade dress case.
  • Defended a patent infringement case brought against an ice making and distributing machine maker.
  • Prosecuted a trademark infringement case involving a domain name dispute in Federal Court.
  • Defended a claim of trade secret misappropriation relating to a web store selling online first aid and survival supplies.
  • Represented a Korean manufacturer of die board bending machines in a trademark, patent and misappropriation of trade secrets case.
  • Represented a surfboard inventor in a breach of contract case.
  • Intellectual Property Prosecution
  • Obtained patents for such products as storm drain filtration systems, horticultural products, surfboards, skateboards, medical and veterinary devices and various sporting goods.
  • Obtained foreign patents and trademarks in Australia, New Zealand, Asia, the European Union, South America, Canada and Korea.
  • Represents several action sports clients in filing for patents, trademarks, copyrights and negotiating licensing and royalty agreements.
  • Represents numerous businesses, including apparel companies, beverage companies, pet product companies, clean tech companies and sporting companies with their intellectual property portfolios.


  • JD, University of San Diego School of Law
  • BS (Biology, minors Psychology and Photography), University of California, San Diego


  • Martindale-Hubbell® AV Preeminent Rating
  • San Diego Super Lawyers® – 2014-2015 (Intellectual Property)
  • Southern California's Top Lawyers - 2014

Community Involvement

  • American Bar Association
  • California Dressage Society
  • San Diego County Bar Association
  • The San Diego Intellectual Property Law Association
  • United States Dressage Federation
  • United States Equestrian Foundation
  • Women’s Resource Fair – Funding Committee

Recent News Coverage


Recent Seminars



  • Co-presenter. “Why, When and How to Develop an IP Strategy Appropriate for Your Business,” SIA Snow Show, Denver, CO, January 31, 2015.
  • “Protect your Intellectual Property and Avoid Problems with the Intellectual Property of Others,” City College, San Diego, CA, November 19, 2014.
  • “Protecting Your Intellectual Property in the US and Overseas,” UCSD Rady School of Management Global Business Strategy, San Diego, CA, August 19, 2014.
  • “Licensing and Bankruptcy,” LES San Diego, San Diego, CA, May 21, 2014.
  • “The Benefits of Mistakes,” SDSI Chalk Talk, Carlsbad, CA, April 22, 2014.
  • “Licensing Executives Society: Increase the Value of your IP through Licensing,” LES San Diego, La Jolla, CA, March 11, 2014.
  • “Protecting Your Intellectual Property in the US and Overseas,” UCSD Rady School of Management Global Business Strategy, San Diego, CA, August 15, 2013.
  • “Protect Your Profits: What You Need to Know to Protect Against IP Piracy,” CONNECT and SDSI Public Policy Forum, Carlsbad, CA, June 26, 2013.
  • “IP & Employment Matters - Common, Costly Mistakes for Start-up Entrepreneurs to Avoid,” Procopio and SV Forum, Palo Alto, CA, May 22, 2012.