EP Application Number format: meaning of the four digits after the check digit

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Gpatent
Posts: 1
Joined: Thu Dec 12, 2019 7:46 am

EP Application Number format: meaning of the four digits after the check digit

Post by Gpatent » Thu Dec 12, 2019 7:59 am

Hi,
I do not find the meaning of the last four digits addad in European communations after the check digit.
18000732.9-1109
In the example the numbers 1109.
These numbers are disclosed in all European communications.
Are they part of the application numbers?
Should be used in all the requests as reference number defining the EP application?
I thought the first 9 digits ending with the check digit defines a European application.
Thank you for the answer
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Patent Information Marketing
Posts: 358
Joined: Fri Mar 03, 2017 1:16 pm

Re: EP Application Number format: meaning of the four digits after the check digit

Post by Patent Information Marketing » Thu Dec 12, 2019 3:30 pm

Dear user,
Could you please contact our colleagues at support@epo.org for this issue?
Thank you and best regards,
Kind regards

Patent Information Marketing
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