How long does a patent last?

In New Hampshire, a patent lasts for 20 years after it is filed with the United States Patent and Trademark Office (USPTO). During this 20-year period, the patent holder has the exclusive right to make, use, and sell the patented invention. After the 20-year term, the patent expires and the invention is considered public domain - meaning that anyone may use the invention without permission from the patent holder. Patents are intended to encourage innovation by allowing inventors and innovators to protect their ideas for a limited period of time. If the invention is successful, the patent holder can benefit from being the only one who can make, sell, or use the invention. This exclusive right gives them an incentive to invest in their invention, as they know that they can benefit from it financially. It is important to note that not all patents are granted for 20 years. For example, some patents are granted for a shorter period of time, such as 14 years. Furthermore, the patent term can also be extended if certain criteria are met, such as if the invention has commercial success. Ultimately, the patent term is set by the USPTO. The USPTO reviews patent applications and determines the length of patent terms based on a variety of factors, including the nature of the invention. It is important to research the specific requirements for your invention when applying for a patent, as the term may vary depending on the type of invention.

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