Patent Center, Electronic Filing System-Web (EFS-Web), and Private Patent Application Information Retrieval (Private-PAIR) Issues

Patent Center, Electronic Filing System-Web (EFS-Web), and Private Patent Application Information Retrieval (Private-PAIR) Issues

Patent Center, Electronic Filing System-Web (EFS-Web) and Private Patent Application Information Retrieval (Private-PAIR) are currently experiencing technical difficulties due to a Two-Step Authentication issue which is preventing registered users from signing in. Please refer to our Filing Documents during an Outage page for an alternative filing method.