Tessian Patents

Patent portfolio assigned to Tessian (verified via public assignee records). UK AI email-security company (acquired by Proofpoint, Oct 2023). Competitors are email-security vendors. Patents confirmed: US10868787B2 'Method for recipient address selection' assigned to Tessian Limited (formerly CheckRecipient Limited); has_patents=true. No individual named customers confirmed from own/press sources, so notable_customers empty.