Basic Trademark Matters

Natural Zone of Expansion: A Misnomer That Should Send You Running to Federally Register Your Trademark

In my last blog post, I discussed how difficult it is to rely on common law trademark rights because of the requirement to prove market penetration. Continuing with this same theme, it doesn’t get any easier after you’ve proven market penetration. After you’ve established common law trademark rights by proving market penetration in one or…

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Likelihood of Confusion Tests by Circuit

Each of the 13 federal courts of appeal have their own test for evaluating whether a likelihood of confusion exists between two trademarks. Although the tests are not identical, most of them are substantially similar and use many of the same factors. And the factors are non-exclusive.  For ease of reference, I decided to identify the…

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On Trademark Cease and Desist Letters: Strategies & Considerations

Trademark cease and desist letters are a crucial part of a trademark attorney’s arsenal. Granted, they seem simple and straightforward. However, when you dig beneath the surface, they are deceivingly complex. When a trademark owner undertakes the task of sending a demand letter without counsel, many important strategic and substantive legal issues are not vetted.…

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