This document discusses patent databases and how to search within them. It defines what a patent is - an exclusive right granted by a government for an invention. It also defines what a database is - a collection of organized information that can be easily accessed. The document outlines several major patent databases including PatentScope from WIPO, EKASWA from India, EPIDOS-INPADOC from Europe, and the Canadian Patents Database. It provides details on how to search within each database using basic, advanced, boolean, or other specialized search features.