Eica male patent

The scope of patent novelty retrieval includes patent literature database and non-patent literature database.

Patent documents include all patent documents of eight countries and two organizations (China, Japan, the United States, Britain, France, Germany, Switzerland, South Korea, the European Patent Office and the International Intellectual Property Organization).

Non-patent documents include: China periodical full-text database, Wanfang database, Superstar Digital Library, Chemical Abstracts Database (CA), Engineering Index (EI), CJFD in S system, etc.