Lauren Katzenellenbogen litigates all types of intellectual property disputes, including claims pertaining to patents, trademarks, unfair competition, trade secrets and copyrights. For nearly two decades, she has represented clients in litigation involving an array of industries, including computer software, medical and mechanical devices, consumer products, fashion, energy drinks and entertainment.
With a practice that includes high-stakes patent litigation, trademark and counterfeiting claims, Lauren has served as counsel in numerous cases in federal courts across the U.S., as well as before the Trademark Trial and Appeal Board (TTAB). She has represented clients that range from innovative start-ups to established brands, including Oakley, Monster Energy, Tesla, NASCAR, Bon-Ton Stores, Razor, Volcom, Mexicana Airlines and I-Flow Corporation.
Lauren is Chair of the firm’s Consumer Products Litigation team. A focus on creative solutions, attention to detail and compelling arguments drives every action Lauren takes. Competitive by nature, Lauren’s personal drive to win allows her to consistently deliver potent strategies that position her client to succeed in and out of court.
Active in the community in which she lives and works, Lauren is a past-president of the Orange County Intellectual Property Law Association (OCIPLA) and is a past-chair of the American Intellectual Property Law Association’s Trademark Litigation Committee.
- Recognized by The Legal 500 "United States" for Trademark Litigation (2023)
- American Intellectual Property Law Association (AIPLA), Chair Trademark Litigation Committee 2020-present
- Named a "Southern California Rising Star" by Super Lawyers magazine for her work in intellectual property litigation (2005-2017)
- Named one of the "Top Women Attorneys in Southern California" by Super Lawyers (2011-2015)
"Design patent enforcers must mind procedural requirements for injunctive relief", IAM (November 2022)
Quoted in, "Supreme Court to Examine Copyright Claim by Unicolors Against H&M," an article published by California Apparel News. (July 2021)
Co-Authored, "High Court Could Deter 'Copyright Trolls' In H&M Case," which was published in Law360. (June 2021)
Quoted in, "Supreme Court Agrees to Hear H&M Case Versus So-Called ‘Copyright Troll’," published by Sourcing Journal (June 2021)
"Design Protection in the Fashion Industry," Orange County Business Journal Intellectual Property Supplement (July 2019)
“Alternative Software Protection in View of In Re Bilksi,” 50 Computer Law Reporter 150 (2009)
“Alternative Software Protection in View of In Re Bilksi,” 7 Nw. J. Tech. & Intell. Prop. 332 (2009)
Panelist/Speaker, “Debate on In Re Bilski,” Northwestern Journal of Technology & Intellectual Property Fourth Annual Symposium, Chicago, IL (2009)
“State Sovereign Immunity for Patent Infringement Claims, Five Years After Florida Prepaid,” 6 Engage 72 (2005)
Fashion & Beauty Blog
Speeches & Seminars
Panelist, "Daubert-Proofing Your Survey: Best Practices for Survey Evidence in Trademark Infringement and False Advertising Litigation" AIPLA CLE Webinar (July 2022)
Panelist/Speaker, “Trademark Year in Review & Look Ahead” LAIPLA Washington in the West, Los Angeles, CA (June 2022)
Panelist/Speaker, “Mid-Year Updates and The Best Practices & Latest Issues Related to Legal Ethics in Intellectual Property - Trademark“ AIPLA Mid-Winter Institute, Rancho Mirage, CA (February 2022)
"Design Protection in the Fashion Industry: Design Patents, Trademarks, Trade Dress, and Copyright," AIPLA Design Rights Boot Camp Session Materials (July 2019)
Moderator, "Trademark Infringement in Virtual Reality" INTA Annual Meeting, Boston, MA (May 2019)
Moderator, "Establishing Remedies for Trademark Infringement" and "Best Practices for Presenting Your Trademark Case at Trial" AIPLA Spring Meeting, Philadelphia, PA (May 2019)
Moderator, ABTL San Diego, “Nuts & Bolts: Written and Unwritten Rules of Civility” Knobbe Martens, San Diego, CA (November 2018)
Panelist/Speaker, “Panel on IP Valuation: How Much is it Worth? How Much Can You Get? How Can You Protect It?” OCBA, Newport Beach, CA (September 2018)
Moderator, INTA Roundtable: "Non-Traditional Marks and the Traditional Practice” Knobbe Martens, Irvine, CA (February 2017)