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About the esp@cenet network. >>  Using esp@cenet >>  Extended Search Options >>  Worldwide publications >>  Priority Number

Search field:

Priority Number (31) or Priority Date (32)

Definition:

The Priority number is one or more of the Application Numbers for which priority rights are claimed.

Content:

The Priority Number is the same as the Application Number of the claimed priority patent document.

A patent family is a set of patents, which have one or more Priority Numbers in common. For more information with regard to the priority number, please consult The patent family systems".

Syntax:

CCYYYYnnnnnnn or CC for the Priority Number or
YYYYMMDD for the Application Date

Format:

The Priority Number is made up of a Country Code (2 letters), the year of filing (4 digits) and a serial number (variable, 7 digits) A serial number having less than 7 digits must be completed to 7 digits by adding leading zero"s.

Alternatively, the leading zero's can be omitted entirely in the serial number.

To retrieve all the documents having a particular country code in combination with other entries (dates, etc.), it is sufficient to enter the Country Code (2 letters).

Example:

Priority Number:

Priority Number:

Priority Number: in combination with
Publication Date:

Format:

The Priority Date is made up of the year of filing (4 digits), followed by the month of filing (2 digits) and completed by the day of filing (2 digits).

Example:

Priority Number:

Operators:

AND, NOT, OR
Default Operator: AND

More information:

Number formats are further described in "Survey of numbering systems actually used by Patent Offices" by the WIPO.
Further Reading
Worldwide publications
Coverage
Publication Number
Application Number
Priority Number
Applicant
Inventor
Publication Date
IPC Classification
EC Classification
Title
Abstract

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