How long does a patent last?

In Tennessee, a patent typically lasts 20 years from the date it is filed. However, the actual length of the patent depends on the type of patent and the specifics of an individual case. There are three primary types of patents: utility patents, design patents, and plant patents. A utility patent is the most commonly used type of patent, and it protects an invention or process for a specific purpose. It lasts for 20 years from the date the patent application is submitted and approved by the US Patent and Trademark Office. A design patent protects the design of a product for the same amount of time. It also lasts for 20 years from the filing date. Finally, a plant patent protects the invention of a new species of plant. It also lasts for 20 years from the filing date, but can generally be extended if certain conditions are met and approved by the USPTO. In Tennessee, the average length of a patent is 20 years from the date of the filing. However, different types of patents have different levels of protection and can be extended depending on individual circumstances.

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