https://new.epo.org/en/node/rcii_iv.html Close Part II – Implementing Regulations to Part II of the Convention Submenu Breadcrumb Home The European Patent Convention – Contents Implementing Regulations Part II Chapter IV Print Facebook Twitter Linkedin Email Chapter IV – Certificate of exhibition Rule 25 – Certificate of exhibition Chapter IVCertificate of exhibition Part II – Implementing Regulations to Part II of the Convention Rule 25 – Certificate of exhibition Next Previous Show modifications