https://www.epo.org/en/service-support/faq/applying-patent/patent-prosecution-highway-pph/general-introduction-pph/what
What is the Patent Prosecution Highway (PPH) programme?
The Patent Prosecution Highway (PPH) is a programme which allows the applicant to expedite patent prosecution, if a corresponding application has already been filed at a PPH partner office and said application contains patentable/allowable claims.
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