https://www.epo.org/en/service-support/faq/searching-patents/patent-information-products/access/how-long-access-patstat
How long is the access to PATSTAT single and yearly editions available?
- Spring single edition: access from May until 31 October (may start in June if delayed due to data quality audits).
- Autumn single edition: access from November until 30 April (may start in December if publication delayed).
- Yearly subscription: access until 31 December for up to three editions (Autumn edition from previous year, Spring edition, Autumn edition), depending on the date ordered.
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