Posts Tagged ‘Common Law Trademarks’

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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