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Formal complaint

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1. Complete  >  2. Preview  >  3. Submit

Fields marked with an asterisk (*) are mandatory.
Click the "Preview" button at the bottom of the page when you are ready to proceed to step 2.

Please note that the task of our complaint management department is to examine incoming complaints to see if they reveal flaws in the underlying EPO procedures. Decisions on procedural requests are taken by the department in charge of the file concerned at that specific procedural stage. In proceedings before the EPO, only the parties to those proceedings have the right to make such requests.

This contact form has no legal force in proceedings under the EPC or PCT. Read more

More information on our complaints procedure.

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If you wish to send us feedback instead of filing a formal complaint, please use the feedback form. Your feedback will be sent to EPO Customer Services.



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If your complaint relates to a pending or previous enquiry, please enter the enquiry number here. The enquiry number is a six digit number allocated to you by our customer services team, e.g. 199234.

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