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USPTO proposes end to pro se patent filings for foreigners

By Nick Robertson ( December 23, 2025, 16:56 GMT | Insight) -- The US Patent and Trademark Office proposed rules Tuesday that would require foreign applicants and patent owners be represented by a registered patent practitioner for actions before the office, effectively ending pro se practice for such applicants and owners.US Patent and Trademark Office leadership seek to put foreign patent applicants and owners under heightened scrutiny with a notice of proposed rulemaking Tuesday mandating that foreign filers be represented by a registered patent practitioner....

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