What materials will the National Information Bureau take for comparative examination when examining patents? Ask for a detailed answer.

According to the provisions of Chapter VII of the Review Operation Rules (substantive review volume), search 1.3:

The databases searched by examiners include patent literature database and non-patent literature database.

Patent literature database: China patent literature database CNPAT；; The abstract databases WPI and EPODOC, full-text patent databases TXTWO 1, txstep 1 and TXTEGB 1 in the EPOQUE retrieval system, etc. The abstract databases CPRSABS, VEN, SIPOABS, TWABS and full-text patent database CNTXT in the patent retrieval and service system (hereinafter referred to as S system).

Non-patent literature databases: China periodical full-text database, Wanfang database, Superstar digital library, Chemical Abstracts database (CA), Engineering Index (EI), CJFD in S system, etc.