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Discover LudwigThe phrase "prior art" is correct and commonly used in written English, particularly in legal and academic contexts.
It refers to existing knowledge or evidence that may be relevant to a particular case or research topic. Example: The patent was rejected due to prior art, as the invention had already been described in a published article.
Dictionary
prior art
noun
In most systems of patent law, all information that has been made available to the public in any form before a given date that might be relevant to a patent's claims of originality, and to which the patent application is compared to determine if it in fact describes a new invention.
synonyms
Exact(60)
But prior art can be elusive.
"There's just too much prior art".
"I started to educate myself," he added, "and what jumped out was the prior art problem -- that companies were not citing prior art, or good prior art.
No prior art historical knowledge is required.
"The case will turn on whether there is prior art".
"You always can learn from prior art," agrees Barnes.
Science Linkage: Patents sometimes cite scientific papers as prior art.
In other words, there is plenty of prior art around.
Individuals can then submit evidence of prior art.
Increasing citations to external prior art is a significantly less important predictor of forward citation frequency than citing prior art that is technologically closer.
In this paper, a review of prior art on liquid level sensing is initially presented.
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