Form PTO / SB / 66 Petition to Accept Unintentionally Delayed Payment of Maintenance Fee in an Expired Patent (37 Cfr 1.378(B))

What Is Form PTO/SB/66?

This is a legal form that was released by the U.S. Department of Commerce - Patent and Trademark Office on November 1, 2021 and used country-wide. As of today, no separate filing guidelines for the form are provided by the issuing department.

Form Details:

• Released on November 1, 2021;
• The latest available edition released by the U.S. Department of Commerce - Patent and Trademark Office;
• Easy to use and ready to print;
• Yours to fill out and keep for your records;
• Compatible with most PDF-viewing applications;
• Fill out the form in our online filing application.

Download a fillable version of Form PTO/SB/66 by clicking the link below or browse more documents and templates provided by the U.S. Department of Commerce - Patent and Trademark Office.