Some private addresses also appeared on the bulk data portal of the USPTO website.
The APIs are used in apps by both agency staff and trademark filers to access the TSDR system for checking the status of pending and registered trademarks. The trademark office said that in February it discovered that private domicile addresses that should have been hidden from public view appeared in records retrieved through some application programming interfaces (APIs) of the Trademark Status and Document Review system (TSDR). The trademark office said in a notice sent to all those impacted by the data leak that by April 1 the issue had been fully fixed by properly masking all of the private addresses and correcting all system vulnerabilities found. law requires trademark applicants to include their private address when submitting an application in order to combat fraudulent trademark filings.
