Chemistry

Accessible to beginners and experts, Espacenet contains data on more than 95 million patent documents from around the world.

The publication Approved Drug Products with Therapeutic Equivalence Evaluations (commonly known as the Orange Book) identifies drug products approved on the basis of safety and effectiveness by the Food and Drug Administration (FDA) under the Federal Food, Drug, and Cosmetic Act (the Act) and related patent and exclusivity information.

Covers patents and applications from USPTO, EPO, WIPO, DPMA, CIPO and SIPO. Updating frequency is not clear.

Provides free access to chemical data extracted from US and European patent literature.