( May 13, 2026, 1:03 PM EDT) -- WASHINGTON, D.C. — Three pro se plaintiff-appellants lacked standing to sue the U.S. Patent and Trademark Office (PTO) after it rejected their request to submit their patent application as a micro entity because they failed to show that they retained an interest in the application, a Federal Circuit U.S. Court of Appeals panel held May 12, agreeing with a Texas federal judge who granted the PTO’s motion to dismiss....