TQ DELTA, LLC. v. DISH NETWORK LLC, decided July 10, 2019, Claim Interpretation

U.S. Patent No. 8,611,404 is directed to sleep state in a multicarrier system (pages 2-3). “Without needing to reinitialize” was interpreted to provide for avoiding any one step of initialization, not just avoiding all steps (pages 9-10). The claim does not recite a previous or first initialization, so reinitialize was interpreted to be repeating the […]

CISCO SYSTEMS, INC. v. TQ DELTA, LLC., decided July 10, 2019, Claim Interpretation

U.S. Patent No. 8,611,404 is directed to sleep state in a multicarrier system (page 2). “Synchronization signal” appears only in the claims (page 4), and the specification describes a tone, referred to as a timing reference signal for synchronization (page 4). The specification also teaches frame synchronization (page 9). “Synchronization signal” was incorrectly interpreted to […]