Trademark Infringement

We take rapid, decisive action to fight online trademark infringement.

Whether it’s counterfeiting, infringement in paid search ads, search engine spam, or cybersquatting, let us put 15+ years of trademark litigation experience to work for you.

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Aggressive, tech-savvy trademark attorneys

Kronenberger Rosenfeld helps our clients fight online trademark infringement amidst rapidly-expanding techniques of infringers.

Taking legal action in response to trademark infringement on the internet has been at the core of our law practice for over 15 years.


  • Trademark infringement in online sales and in retail stores
  • Trademark infringement claims against competitors
  • Brand Name or Products in paid search ads and other forms of search engine spam
  • Cybersquatting


We have set precedent, proposed new infringement theories, and handled trademark claims involving a wide array of online marketplaces.

Let us bring our experience and technical savviness to bear for your in your trademark infringement matter.

Representative Cases

  • Represented seller of sports and energy drinks against nutritional supplement seller, concerning alleged 8-figure trademark infringement in online sales and in retail stores.
  • Represented an internet marketer in a trademark infringement lawsuit brought by Google. Negotiated early settlement of the case before the filing of responsive pleadings.
  • Represented a 70-year-old technology college in trademark infringement claims against competitor.
  • Defended major online retailer of printer supplies in trademark infringement lawsuit brought by a billion dollar printer manufacturer.

Have a Trademark Infringement Matter?

We welcome you to submit your details using our online case submission form below:

Personal Details

Full Name (required) 

Matter Details

Fully describe the facts of your legal matter (the other parties involved, followed by a brief chronology of the facts, the nature of the dispute, and your objective, etc.):

Or give us a call at

415-966-2429

ext. 120 for new legal matters

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