What is the relevant knowledge about the patent application date
There are two situations in determining the patent application date:
1. The applicant submits the application documents directly to the Patent Office for acceptance. If the application meets the conditions for acceptance after on-site review, the date of submission will be determined as the date of application.
2. Application documents mailed by the applicant. If the acceptance conditions are met, the date of mailing shall be the date of application. If the postmark date of the outgoing mail is unclear, the postmark date of the mail sent to the Patent Office shall be the filing date. If the postmark of the email is not clear, the date of receipt by the Patent Office shall be the filing date.
After the application date is determined, it cannot be changed at will. Changing the filing date is only allowed under the following two circumstances:
1. Due to the unclear postmark, the Patent Office regards the date of receipt as the filing date, or the applicant believes that the filing date determined by the Patent Office is wrong, the applicant can provide a link to send the application documents.No. receipt or other evidence, request the Patent Office to make corrections. The Patent office can change the filing date after verification.
2. For patent applications that have been submitted, apply If the applicant himself or upon examination by the Patent Office finds that the description of the drawings is included in the specification, but the drawings have not been submitted or have been submitted infrequently or omitted, the applicant may take the initiative to make supplementary submissions or after receiving a notice of correction from the Patent Office, Submit additional drawings within the specified period. If additional drawings are submitted as required, the last date of submission of the drawings will be determined as the filing date of the application. If the filing date is changed, the Patent Office shall promptly notify the applicant.
"Patent Law" Article 28 State Council The date when the patent administration department receives the patent application documents is the filing date. If the application documents are mailed, the postmark date shall be the date of application.
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