TiVo countersues Cisco as DVR patent battle heats up

TiVo Inc countersued Cisco Systems Inc in a court over alleged infringement of four patents relating to digital video recorder (DVR) technology, days after

June 05, 2012 / 13:55 IST

TiVo Inc countersued Cisco Systems Inc in a court over alleged infringement of four patents relating to digital video recorder (DVR) technology, days after Cisco filed a lawsuit against TiVo to void those same patents.

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first published: Jun 5, 2012 01:48 pm

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