SCOPUS Patents are displayed separately via a blue tab at the top of the results list. Patents from the USPTO (1836+, full text 1983+), European Patent Office (1978+, full text 1991+), Japanese Patent Office (machine-translated abstracts 1976+), and World Intellectual Property Organization (full text 1978+) are indexed by its web search engine, Scirus, which indexes the bibliographic information (1970+), full text (when available), title, authors and assignee, affiliations (e.g. Tufts), patent number, as well as the first published date.