https://elevatepatentgroup.com/blog/ Practical guidance on US patent filing and prosecution from a USPTO-registered patent agent — for inventors, startups, universities, and international applicants. en-us Sat, 26 Sep 2026 12:00:00 +0000 https://elevatepatentgroup.com/blog/us-patent-foreign-applicants-practitioner-rule-2026/ https://elevatepatentgroup.com/blog/us-patent-foreign-applicants-practitioner-rule-2026/ Sat, 26 Sep 2026 12:00:00 +0000 International Applicants Since July 20, 2026, anyone living outside the United States must use a USPTO-registered patent attorney or patent agent to file and prosecute a US patent application. Here is what the rule covers, the mistakes that can't be undone, and how to comply without overpaying.