For assignment data, we pull from https://bulkdata.uspto.gov/data2/patent/assignment/. A description of all the elements in an USPTO assignment XML file is called a DTD, and the one for the assignment data can be found in the bulk drive under McNair/Project/Redesigning Patent Database/USPTO Assignment DTD
I'm currently looking at the
DTsD for USPTO patent data (2005 and up DTDs have to be opened by Microsoft Visual Studio) to ascertain if there are any fields we're not currently pulling from the bulk data that we should. I am using the following link to figure out how to read a DTD: http://www.ldodds.com/delta/dtd_guide.html. There are only DTDs for 2005 and up, but there is a very long pdf that appears to detail the format of patent files pre - 2005. It has been saved under McNair/Projects/Redesigning Patent Database/
'''Pre - 2005'''