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paten4d Search within the title, abstract, claims, or full patent document: You can restrict your search to a specific field using field names.. Use TI= to search in the title, AB= for the abstract, CL= for. The meaning of PATENT is open to public inspection —used chiefly in the phrase letters patent. How to use patent in a sentence. Synonym Discussion of Patent.

paten4d, PCT – The International Patent System. The Patent Cooperation Treaty (PCT) assists applicants in seeking patent protection internationally for their inventions, helps patent offices with their.