Requirements of a Patent

Patent protection is provided through a registration with the United States Patent and Trademark Office (USPTO). Once registered, a patent gives a patent owner the right to exclude others from making, using, selling, distributing or importing the subject of the patent for a certain period of time. However, only certain things may be patented, and there are several requirements that an invention must meet in order to be eligible to receive patent protection. One of the most basic requirements is novelty, or newness. The purpose of the novelty requirement is to prevent the patenting of inventions which are known and used and thus, which are said to have entered the public domain. In addition, the novelty requirement also carries out the general principle that the first person to create an invention is entitled to patent it.

Definition of Novelty
In order to be novel, an invention cannot have been previously patented, described in a printed publication or used or known by others prior to its invention by the patent applicant. To be known by others, a patent must have been fully disclosed and the disclosure must be accessible to the public in the United States. Only minimal use of an invention by others is necessary to disqualify patent eligibility as long as the use is accessible to the public, which is the case if no steps were taken to conceal the use. Experimental use by the inventor to test the invention is not a use that will disqualify patent eligibility. Printed publication of a description constitutes accessible disclosure of the invention as long as the publication is distributed or is filed in such a way that a member of the public could find it by exercising reasonable diligence. Patents are usually published, which also constitutes printed publication that will negate patent eligibility. If a patent is not published, the relevant inquiry is whether the exact thing to be patented was previously patented and not merely described in an application that ultimately protected some other invention.

Additional provisions of patent law prevent an inventor from obtaining a patent if another inventor had previously taken steps to protect the invention that resulted in the public disclosure of the invention, such as with the publication of a patent application. Also, patent law prevents a later person from patenting an invention from an earlier inventor who did not abandon, suppress, or conceal the invention before the later applicant. These provisions ensure that the first inventor’s rights are superior to a later inventor.
In order to determine whether an invention to be patented meets the novelty requirement, the U.S. Patent and Trademark Office will search through existing patents and other literature in the field in which the invention is classified to see if the invention has been patented or described in a way that discloses it to the public. The body of information that will reveal whether an invention to be patented meets the novelty requirement is referred to as the “prior art.” If the prior art indicates that the invention to be patented has already been patented or described in a publication or in another manner, the item for which a patent is sought is said to have been “anticipated,” and the item will not be eligible for a patent. Inventors may conduct searches prior to applying for a patent to avoid the unnecessary expense of time and money in applying for a patent that will most likely be revealed to have been anticipated by the prior art.

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