Intellectual Property Digital Library

The Intellectual Property Digital Library Web site provides access to intellectual property data collections hosted by the World Intellectual Property Organization. These collections include PCT (Patents), Madrid (Trademarks), Hague (Industrial Designs), Article 6ter (State Emblems, Official Hallmarks, and Emblems of Intergovernmental Organizations) and others.
Access a detailed index of all IPDL data collections.

The form above allows you to conduct a simple search for terms occurring within any field of a given database.  For a more advanced interface allowing fielded term searches, please select a database from the left-hand menu.  Frequent users who would like to maintain a search query history across connections should set up a free user account.