Jennifer Lantz


Education and Clerkships

J.D., University of Georgia School of Law, cum laude

B.A., University of Michigan, Ann Arbor, with honors





Court Admissions

United States Supreme Court

U.S. Court of Appeals for the Federal Circuit

U.S. Court of Appeals for the Ninth Circuit

U.S. Court of Appeals for the First Circuit

U.S. District Court for the Northern District of California

U.S. District Court for the Central District of California

U.S. District Court for the Eastern District of California

U.S. District Court for the Southern District of California

U.S. District Court for the District of Massachusetts


Jennifer Lantz is a partner in the Palo Alto office of Haynes and Boone. She has more than twenty years of experience helping clients at all stages protect their brands and other IP. Jennifer focuses on helping companies develop their brands through enforcement policies, clearing their marks for use, registering marks in the U.S. and abroad, commercializing marks through licenses and merchandising agreements, assessing infringement risks, enforcing their trademark rights against others and defending them against allegations of infringement. Ranked among the top trademark lawyers in California in World Trademark Review (WTR) 1000, Globe Business Publishing Ltd., 2015-2018, Jennifer represents clients of all sizes – from new startups to multinationals.

In addition to her prosecution and counseling practice, Jennifer has an active trademark litigation practice in federal courts around the country. She has obtained preliminary injunctions on behalf of a number of trademark clients, and has also successfully defended against preliminary injunctions. Jennifer also has litigated other significant and complex intellectual property and business disputes for clients, including patent, trade secret, right of publicity, copyright, licensing, and contract disputes. Jennifer has also litigated numerous section 337 matters in the International Trade Commission.

Jennifer handles opposition and cancellation proceedings in the United States Patent and Trademark Office and regularly counsels clients regarding domain name issues and trademark issues in social media. She has also spearheaded enforcement campaigns in the United States and overseas for clients in industries where counterfeiting and knock-offs are prevalent.


World Trademark Review

World Trademark Review Ranks Haynes and Boone in U.S. Top 20

The World Trademark Review 1000 (WTR 1000), a directory of the world’s leading trademark professionals, has again ranked Haynes and Boone among the top 20 trademark practices in the nation and as the preeminent large firm in Texas.

Selected Client Representations

Trademark Litigation

  • eBay v. Dotcom Retail Ltd., U.S. District Court for the Northern District of California. Lead counsel for eBay in infringement litigation with components in the U.S., Great Britain and other international jurisdictions over a “bay” formative mark. Cases settled favorably prior to the close of discovery.
  • Wow What Savings v. AOL, Inc. U.S. District Court for the District of Massachusetts. Defeated Plaintiff’s preliminary injunction motion and successfully settled case prior to taking of discovery.
  • Yamaha Motors USA v. Metro Racing (W.D. Penn.). Represented plaintiff in trademark suit. Successfully settled case prior to discovery.
  • AT&T Interactive v. Toll Free Yellow Pages et al. Counsel for AT&T Interactive ( in litigation in the Central District of California asserting claims against a travel search aggregator for trademark infringement, false advertising, unfair competition, cyberpiracy, violation of the California anti-phishing statute, misappropriation, and interference with prospective business relations. Obtained preliminary and permanent injunction order and six-figure monetary judgment.
  • PageBites, Inc. v., et al. (N.D. Cal.). Represented plaintiff in trademark infringement suit relating to an iPhone app. Case settled favorably.

Patent Litigation – International Trade Commission

  • In Re Certain Underground Cable and Pipe Locators. Counsel for Vivax-Metrotech Corporation in litigation before the lTC involving Radiodetection’s allegations of infringement of a patent concerning the design of underground cable and pipe locators. The litigation settled favorably before trial.
  • In Re Certain Birthing Simulators and Associated Systems. Counsel for Gaumard Scientific Company, Inc. in lTC litigation involving Gaumard’s claims that Shanghai Honglian infringed two Gaumard patents concerning the design and operation of birthing simulators. The lTC issued a limited exclusion order and a cease and desist order preventing the importation into the U.S. of Shanghai Honglian’ s infringing birthing simulators and systems.

Other Representative IP Litigation

  • Tremonti/Stapp Music v. Yamaha Motors USA (D. Florida). Represented defendant in copyright infringement suit.
  • Cambro Manufacturing Co. v. Win-Holt Equipment Corp. (C.D. Cal.). Represented plaintiff in design patent infringement suit relating to restaurant and catering equipment.

Professional and Community Activities

  • State Bar of California
  • State Bar of Georgia
  • Massachusetts State Bar
  • International Trademark Association
  • Intellectual Property Owners Association

Selected Publications and Speeches

  • “Sunbeam Sheds New Light on the Rights of Trademark Licensees,” Lexology, July 16, 2012.
  • “The Big Reveal: ICANN Announces New GTLDs and their Applicants,” Lexology, June 14, 2012.
  • “ICANN’s New Domains: Hefty Price, Dubious Benefit,” Law360, May 18, 2011.
  • “United States Patent and Trademark Office Rules on Deposing Non-U.S. Resident Executives in Trademark Proceedings,” Lexology, April 14, 2010.

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