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Patent portfolio assigned to Massdrop (verified via public assignee records). Social/community commerce platform (became Drop, acquired by Corsair 2023, store shut down Mar 2026). Confirmed as Google Patents assignee (Massdrop Group Inc / Massdrop Inc, e.g. keyboard switch US10102987B1); exact patent count not visible so left null. Audio/keyboard brands listed are co-branding collaboration partners, not buyers.