Categories Glossary Contracting State Post author By faq Post date 2020-06-21 No Comments on Contracting State A national Office or an intergovernmental organization which is party to the Patent Cooperation Treaty. Related posts: EO DO Contracting Party RO ← Contracting Party → Control No. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.