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the world’s number one source for global intellectual property (patents, industrial designs, copyright, trademarks etc.) information, resources, and services.

incopat global patent database, support ipc query tool, suppot using ipc number to search for related technology classification or use key words to find out related ipc number. while there is no matched classification number, the system will help recommend related numbers through ai.free trial ! use english and chinese to search 140 million patents of 120 authorities. reliable data source, ai search, 3d analyze. support 296 searching fields including patent litigation, patent family, citation and so on.

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lexology delivers the most comprehensive source of international legal updates, analysis and insights for law firms and in-house counsel.

patentguru is an in-depth patent technology analysis platform that utilizes the most advanced big data, cloud computing, natural language processing (nlp) and artificial intelligence (ai).

home page of the united states patent and trademark office's main web site.

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权大师,互联网+知识产权智能化平台,提供商标查询,商标注册,专利申请,专利查询,版权登记全流程服务。权大师提供免费商标查询saas工具,智能商标注册0服务费省钱到底,商标查询,商标注册监控,专利申请等服务获得京东、360、搜狗、海尔等知名公司的认可。