Trademark is a word, slogan, symbol or design that identifies and distinguishes the goods of one company from those of another.
Service mark is the same as a trademark, except that it identifies and distinguishes the source of a service rather than a product.
Patent is a grant of property rights to an inventor for an invention. The right conferred by a patent grant is the right to exclude others from making, using, offering for sale, or selling the invention in the United States or importing the invention into the United States.
Copyright is a form of protection provided to the authors or creators of original works of authorship, including literary, dramatic, musical, artistic, and certain other intellectual works, both published and unpublished. The copyright owner is granted the exclusive right to reproduce, distribute, display or perform the copyrighted work publicly.
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