Product News

STN® Adds Chinese Patent Full Text Database - CNFULL

March  19th,   2012

STN now includes CNFULL, the full-text of Chinese patent applications and patent specifications from 1985 onwards.

The Chinese Intellectual Property Office of the People's Republic of China has been the top authority for the number of patent applications. In recent years, over 500,000 applications were filed annually.

CNFULL database records contain bibliographic data including patent applicant, inventor, patent number, application, priority and related (PCT) application data, IPC and EPC classification codes, abstract and the full text of descriptions and claims. Records are available about a week after publication with the complete content. Abstracts are initially machine translated and replaced three months later by human translated text; descriptions and claims are machine translated.

Each database record contains all documents published for one application, displayed in order of appearance. Legal status data and family display formats from the INPADOCDB database are available. Online thesauri for the International Patent Classification (/IPC) and European Patent Classification (/EPC) are searchable.

The database is updated weekly and comprises over 4.5 million records and more than 3.8 million images. About 10,000 documents enter the database each week.

Numeric values of over 30 physical and chemical properties (/PHP) in almost 400 unit variants are searchable in all full text fields.

For additional information about this new databases, refer to the STN Database Summary Sheet or STNGuide (=> S CNFULL/DBN).

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