patent and trademark office
Patent and Trademark Office. See UNITED STATES PATENT AND TRADEMARK OFFICE.
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Patent and Trademark Office. See UNITED STATES PATENT AND TRADEMARK OFFICE.
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Patent and Trademark Office 〈美〉专利商标局 商务部属下的一个联邦机构,由国会依照美国宪法的规定设立。其职能主要是审查专利和商标申请,授予专利,登记注册商标,并为公众提供多种有关专利和商标的信息及服务。简作PTO。
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