USPTO Data Sets

Contains both daily (front files) and a (backfile) created annually of trademark assignments text derived from trademark assignment recordations from August 1980 to present made at the USPTO. The file format is eXtensible Markup Language (XML) in accordance with the U.S. Trademark Assignments Version 0.4 Document Type Definition (DTD).

Earlier trademark assignments can be found in the Trademark Registration Multi-Page TIFF Images.

TDXF Special Notice:
October 1, 2013 The Trademark Daily XML Assignment File is changing. The change will go into production 01/01/2014.
Below is the link to the new Document Type Definition (DTD); Documentation; and a test file (tmassign.dtd; tmassign-documentation.pdf - both Version 1.0 dated 09/05/2013; asb130930-test.zip 53,908 bytes).
We plan to run a parallel process.

This notice and the “new” DTD; documentation; and test file are also available here: https://eipweb.uspto.gov/TrademarkDailyXML/

Refer to the following USPTO web site for additional trademark data information to include the Document Type Definitions (DTDs):  http://www.uspto.gov/products/xml-resources.jsp