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How to Patent Your Invention

Posted on January 7, 2022 by Adam Eaglin

A patent is a government granted right that allows the inventor to exclude anyone else from making, using or selling the invention in the country that issued the patent. The government grants this right to help encourage inventors to spend the time, money and effort to invent new products, technologies and such.

In america, the term of a new patent is 20 years from the date on which the application for the patent was filed or, in special cases, from the date an earlier related application was filed, subject to the payment of maintenance fees.

When a patent expires, the invention enters the "public domain" allowing anyone to make, use or sell the invention without needing the permission or paying any royalty to the inventor. The government requires patents to expire because otherwise one person can control an entire industry if that person was the first to conceive of a form of product.

The patent law specifies the general field of subject matter that could be patented and the conditions under which a patent for an invention may be obtained. Any person who "invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent," subject to the conditions and requirements of the law.

In order for an invention to be patentable it must be new as defined in the patent law, which provides that an invention can't be patented if:"(a) the invention was known or used by others in this country, or patented or described in a printed publication in this or a foreign country, before the invention thereof by the applicant for patent," or"(b) the invention was patented or described in a printed publication in this or a foreign country or in public use or on sale in this country more than 1 year before the application for patent.

If the invention had been described in a printed publication anywhere in the world, or if it's been in public use or on sale in this country before the date that the applicant made his/her invention, a patent can't be obtained. If the invention had been described in a printed publication anywhere, or has been in public use or on sale in this country more than 1 year prior to the date on which an application for patent is filed in this country, a patent can't be obtained.

In this connection it is immaterial when the invention had been made, or whether the printed publication or public use was by the inventor himself/herself or from somebody else. If the inventor describes the invention in a printed publication or uses the invention publicly, or places it on sale, he/she must apply for a patent before one year has gone by, otherwise any right to a patent for an invention will be lost. The inventor must file on the date of public use or disclosure, however, so as to preserve patent rights in many foreign countries.

Based on the legislation, only the inventor may apply for a patent for his or her invention, with certain exceptions. If the inventor is dead, the application may be made by legal representatives, that is, the administrator or executor of the estate. If the inventor is insane, the application for patent for an invention may be made by a guardian. If an inventor refuses to apply for a patent for his or her inventions, or can't be found, a joint inventor or, if there is no joint inventor available, a person having a proprietary interest in the invention may apply on behalf of their non-signing inventor.

If two or more persons make an invention jointly, they apply for a patent as joint inventors. Someone who makes only a financial contribution for the invention isn't a joint inventor and can't be joined in the application as an inventor.