Facebook Petitions Board For Review Of Message Preview Patent

(April 5, 2019, 12:30 PM EDT) -- ALEXANDRIA, Va. — In an April 4 petition for inter partes review before the Patent Trial and Appeal Board, a Blackberry Ltd. patent covering an interface feature that indicates the receipt of a new message is accused of obviousness (Facebook Inc. v. Blackberry Ltd., No. IPR2019-00925, PTAB)....