What information and services does Delphion Research offer?
Delphion is a comprehensive and innovative patent research website. We have searchable bibliographic data, full text data, and complete patent-images for patents issued by the United States Patent & Trademark Office (USPTO) (both applications and granted patents), World Intellectual Property Organization (WIPO) and European Patent Office (both applications and granted patents), bibliographic text from the INPADOC patent collection, and bibliographic text and representative images of Japanese patents. You can also search the Derwent World Patents Index, the largest value-added patent database in the world, complete with direct links between Derwent’s custom data and the corresponding original patents on the Delphion website. For further information, visit our Collection Descriptions page. See our Coverage Dates and Update Schedule page for each collection’s dates of coverage. Delphion Research also offers a number of analytical and productivity tools to help you make the most of your re
