https://www.epo.org/en/service-support/faq/applying-patent/patent-prosecution-highway-pph/general-introduction-pph/there
Is there a fee associated with the PPH at the EPO?
No, participation in the PPH programme at the EPO is free of charge. However, the regular procedural fees apply. Regarding fees potentially applicable to the PPH at other offices, please consult the webpages of these offices.
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