In order to check on the status of a Certificate of Correction, contact the Certificates of Correction Branch at the USPTO via email (CustomerServiceCoC@uspto.gov), mail (Commissioner for Patents, Office of Data Management. Attention: Certificates of Correction Branch, P.O. Box 1450, Alexandria, VA 22313-1450) or phone (703.756.1814). 

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.