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Patent portfolio assigned to Xpan Inc. (verified via public assignee records). Estimated patent count: 2. Toronto/U of Toronto spin-out (founded 2017); radially-expandable Universal Trocar System, FDA 510(k) cleared Dec 2023. Patents confirmed on Xpan's own news page: two US patents granted for expandable trocar tech (May 2023), plus filings in CA/EU/AU/CN/JP. No named customers found (early commercial).