Whatnot Patents

Patent portfolio assigned to Whatnot (verified via public assignee records). Estimated patent count: 13. Livestream shopping marketplace (collectibles). Consumer C2C marketplace - no named B2B customers. Patents confirmed: US11362846B1 assigned to Whatnot Inc (publish/subscribe messaging for auctions), also US12184939 / US11516518 referenced; CB Insights lists ~13 filed patents.