90,000+ terms and 15,000 concepts in 10 languages - all entered and validated by WIPO PCT language experts and terminologists, who have experience working with technical documents in multiple languages. Regular additions to the data.

WIPO Pearl - a new database providing free access to a wealth of multilingual scientific and technical terminology can be also accessed from the Reference page, along with WIPO’s PATENTSCOPE technology database - which now contains nearly 40 million patent records – and WIPO’s other searchable data collections.

Summary information available at http://www.wipo.int/pressroom/en/articles/2014/article_0012.html