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Taiwan Intellectual Property Office (TIPO)

China National Intellectual Property Administration (CNIPA)

Japan Patent Office (JPO)

Ministry of Intellectual Property (MOIP)

United States Patent and Trademark Office (USPTO)

European Patent Office (EPO)

European Union Intellectual Property Office (EUIPO)

World Intellectual Property Organization (WIPO)

Ministry of Economic Affairs – Company/Business Registration Information Search (Taiwan)

Global Patent Search System

Taiwan Patent Search System

China Patent Search and Analysis

Japan Platform for Patent Information

Korean Intellectual Property Information Search

USPTO Patent Public Search

EPO Espacenet Patent Search

TIPO Trademark Search

CNIPA Trademark Database

Japan Platform for Patent Information

Korean Intellectual Property Information Search

USPTO Trademark Search

EUIPO eSearch

WIPO Global Brand Database

Judgement Search of Judicial Yuan

Legal Search System of Legislative Yuan