Patent Database

创新大脑全球专利检索分析平台为您提供专利检索查询分析,专利分析评估交易、知识产权交易、专利检索查询数据库。一站式的提供全球178个国家(地区)的全球专利检索查询分析服务，同时有专利资深顾问免费为您提供知识产权分析评估相关问题

EPO provides free patent search tools, databases, and resources for filing, legal information, and IP management across Europe and internationally.

A professional patent search and analysis database with AI-assisted features, offering global patent retrieval and intelligent reports for innovation workflows.