A provisional patent application lasts for 1 year. A utility patent lasts for 20 years from its filing date. A design patent last for 14 years from the date that it is granted. A plant patent lasts for 20 years.
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A provisional patent application lasts for 1 year. A utility patent lasts for 20 years from its filing date. A design patent last for 14 years from the date that it is granted. A plant patent lasts for 20 years.