Inventor-Controlled NPE Hits Tumblr
- March 29, 2017
Inventor Sheng Tai “Ted” Tsao has formed a California entity, TS Patents LLC, through which he has filed suit against Yahoo (5:17-cv-01721), asserting four related US patents (8,396,891; 8,713,442; 8,799,473; 9,280,547) from the over three dozen that have issued naming Tsao as inventor. Tsao organizes his portfolio into five “families”, three of which span the patents now in suit: an Information Sharing family (the ‘891 and ‘442 patents), a Web Multitasking family (the ‘473 patent), and a Web Folder (the ‘547 patent). The plaintiff’s infringement allegations focus on Yahoo’s Tumblr platform.
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