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This is the primary date used to establish the timeline for prior art searches. Filing Date vs. Priority Date: If the priority date is different from the filing date, the filing date is used in jurisdictions where no priority claim is made, or where the application is the first disclosure. The filing date becomes particularly important if the applicant is not claiming priority french polynesia b2b leads from an earlier patent application. In cases where priority claims are made, the earliest date (priority date) takes precedence. Effect on Invalidity Search: The filing date determines which pieces of prior art are relevant to the invalidity search.


If there is prior art that was published before the filing date, it is the claims of the patent. Prior art released after the filing date is generally disregarded. 3.3. Grace Period Definition: Some jurisdictions provide a grace period, which allows the inventor to publicly disclose his invention before filing a patent application without the disclosure being used against him as prior art. This period usually lasts up to a year before the filing date, depending on the jurisdiction. How it affects invalidity: If the inventor publicly discloses the invention during the grace period, that disclosure will not be considered prior art against the patent application.