Novelty (patent)

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Patentability
Inventorship Patentable subject matter Novelty Inventive step and non-obviousness Utility Industrial applicability Prior art Person skilled in the art
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Patentability

Inventorship

Novelty is a patentability test, according to which an invention is not patentable if it was already known before the date of filing, or before the date of priority if a priority is claimed, of the patent application.

In some countries, such as the United States and Japan, a grace period exists for protecting an inventor or the successor in title from a publication of the invention before the filing date. That is, if the inventor or the successor in title publishes the invention, an application can still be validly filed which will be considered novel despite the publication, provided that the filing is made during the grace period following the publication. The grace period is usually 6 or 12 months. This type of novelty bar is sometimes known as a relative novelty bar.^{[dubious – discuss]}

In other countries, including European countries, any act that makes an invention available to the public before the filing date or priority date has the effect of barring the invention from being patented. Examples of acts that can make an invention available to the public are written publications, sales, public oral disclosures and public demonstrations or use. This is known as an absolute novelty requirement.^{[dubious – discuss]}

Local novelty (as is currently the requirement in New Zealand) only regards publications, uses or sales that have taken place within that jurisdiction to be novelty destroying.

The grace period should not be confused with the priority year defined by Paris Convention for the Protection of Industrial Property. The priority year starts when the first filing in a Contracting State of the Paris Convention is made, while the grace period starts from the pre-filing publication.

Patent law
History of patent law Economics and patents Patent prosecution Patent application Patentability Patent infringement Licensing European patent law Japanese patent law United States patent law List of patent legal concepts
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Patent law

List of patent legal concepts

[edit] United States

In the United States the four most common ways in which an inventor will be barred under Section 102 are:

by making the invention known or allowing the public to use the invention; or
having the invention published in a fixed medium (such as in a patent, patent application, or journal article); or
if the invention was previously invented in the U.S. by another, who has not abandoned, suppressed, or concealed the invention, or
if the invention was described in a patent application filed by another, where the application later issues as a US patent.

In U.S. patent law, anticipation occurs when one prior art reference or event discloses all the features of a claim and enables one of ordinary skill in the art to make and use the claimed invention; the claim is then said to lack novelty.

[edit] Prior art search

Main article: prior art

The standard method for discovering if a proposed invention is novel is to perform a prior art search. A prior art search may for instance be performed using a keyword search of patent databases.