Must all trademarks be registered no registration is not mandatory you can establish common law rights in a mark based solely on use of the mark in commerce . Summary of intellectual property copyright trademarks and patents copyright law like trademarks patents are registered at a national or territory level . Many a time people are confused or have incorrectly used the terms in intellectual property law it is essential to know what all does it entail. Some people confuse patents copyrights and trademarks although there may be some similarities these three kinds of intellectual property protection serve . The united states patent and trademark office uspto or office amends the rules of practice in trademark cases to remove the rules governing trademark
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