Documents From 3G Working Group Render Patent Invalid, Petitioners Say

(March 5, 2021, 12:55 PM EST) -- ALEXANDRIA, Va. — In a March 4 petition for inter partes review (IPR) filed with the Patent Trial and Appeal Board, Dell Inc., Honeywell International Inc. and others take aim at a patented method of instructing a mobile device on how it may transmit data to a base station....

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