{"entity":"uspto","name":"United States Patent and Trademark Office","events":[{"date":"1802-01-01","until":"1974-01-01","predicate":"official_name","value":"United States Patent Office","status":"superseded","id":"clm_67331A71E777"},{"date":"1836-07-04","until":null,"predicate":"website","value":"http://www.uspto.gov/","status":"unverified","id":"clm_81BB86E509A0"},{"date":"1836-07-04","until":null,"predicate":"headquarters","value":"Alexandria","status":"unverified","id":"clm_CB4939090E49"},{"date":"1975-01-01","until":null,"predicate":"official_name","value":"United States Patent and Trademark Office","status":"unverified","id":"clm_6ACB64F65D5B"},{"date":"2008-08-30","until":null,"predicate":"x_username","value":"uspto","status":"unverified","id":"clm_9779B16A7156"}]}