What level of searchable information is provided by the different patent collections?
Delphion offers a significant set of patent collections, including US Patents (applications and grants), European Patents (applications and grants), WIPO PCT patents, INPADOC, JAPIO, and the Derwent World Patent Index, with more on the way. These are easily searchable by patent number, assignee, inventor, abstract, title, or IPC class. For more targeted search results, add the IPC, US Class or ECLA code to your search. See our Collection Description page for full descriptions of all of our collections. See our Field Help page for a list of all searchable fields.