PCT是英语缩写，全称为Patent Cooperation Treaty（专利合作条约）。这个条约是国际上用于简化和统一专利申请程序的法律框架，目的是为了方便专利申请人在多个国家或地区提交专利申请，并在国际范围内获得专利保护。
以下是9个含有PCT的例句：
1. The PCT application is an international patent application that allows for filing of a single application for protection of an invention in many countries.（PCT申请是一种国际专利申请，允许提交单一专利申请以在多个国家保护发明。）
2. After filing a PCT application, the applicant has up to 30 months to enter national phase in selected countries.（在提交PCT申请后，申请人有最多30个月的时间进入选定国家的国家阶段。）
3. PCT application requirements include a written description of the invention, claims, and drawings (if applicable).（PCT申请要求包括对发明的书面描述、权利要求和图纸（如适用）。）
4. The PCT application can be filed in any language, however, for purposes of international search the language must be one of the official PCT languages.（PCT申请可以用任何语言提交，但是，为了进行国际搜索，语言必须是PCT官方语言之一。）
5. PCT international search is a search of prior art related to the invention conducted by an international searching authority.（PCT国际搜索是由国际搜索机构进行的与发明相关的先前技术搜索。）
6. The PCT application is published 18 months after the earliest priority date.（PCT申请在最早优先权日期之后18个月公布。）
7. PCT system facilitates the filing of international patent applications and reduces the costs of obtaining patent protection in different countries.（PCT系统有助于提交国际专利申请并降低在不同国家获得专利保护的成本。）
8. PCT system provides for the examination of the application by national or regional patent offices in the selected countries.（PCT系统允许选定国家或地区的国家或地区专利局审查专利申请。）
9. PCT application can be filed directly with the International Bureau of WIPO or through the national or regional patent office.（PCT申请可以直接向世界知识产权组织的国际局提交，也可以通过国家或地区专利局提交。）
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