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Attribute

Description

class

Letter designation that groups event codes into categories which are of particular importance to the prosecution of a patent and share a common theme. Class is available in the frontfile beginning in March 2020. See ST.27 the Inpadoc classification scheme for more information.

Some examples include:

    • C=Application revival, i.e., events related to the revival, reinstatement or restoration of an application after it has been discontinued
    • P=Document modification, i.e., events related to modifications of an application, IP right document or other document, which occur outside the context of a pre-grant review or IP right review
dateDate of public notification (YYYYMMDD), e.g., gazette date
countryCountry is represented by a standard 2-character code based on WIPO ST.3.
code1-4 character code. Legal status codes are country-specific. See the links above for more information.
impact+ , -, or neutral

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