PATENTSCOPE 专利检索
您可以通过PATENTSCOPE检索1.23亿专利文件，其中包含513万已公布的国际专利申请（PCT）。
The European Union Intellectual Property Office (EUIPO) is the European Union (EU) agency responsible for managing the European Union trade marks (EUTMs), the registered European Union designs (REUDs), the geographical indications (GIs) for craft and industrial products and the European and international cooperation in the field of intellectual property (IP), as well as the European Observatory on Infringements of Intellectual Property Rights.
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The European Patent Office
The European Patent Office (EPO) examines European patent applications, enabling inventors, researchers and companies from around the world to obtain protection for their inventions in up to 46 countries through a centralised and uniform procedure that requires just one application.
智慧芽
DPMAregister – Official Publications and Register Database
The DPMAregister service provides the publications, required by law, on patents, trade marks, utility models and designs to you as well as the register data. Our service comprises the search for legal/procedural status information as well as the corresponding publication data.
J-PlatPat
日本专利信息平台（J-PlatPat）
大为专利搜索引擎
台湾智慧财产局