April 02, 2015
A California federal judge on Wednesday declared Amazon.com Inc. and other electronics retailers had not infringed a patent for DVD players and TV sets with parental controls asserted by Guardian Media Technologies, following a similar ruling this week on the only other patent in the case.
March 31, 2015
A California federal judge ruled Monday that DVD players that contain parental control features sold by Amazon.com Inc. and other electronics retailers do not infringe a patent held by Guardian Media Technologies, a decision that cuts the litigation in half.
December 10, 2014
A California federal judge on Tuesday shut down a bid by Amazon.com Inc. and other electronics retailers to short-circuit Guardian Media Technologies' suit alleging infringement of its patent for parental control features in DVD players, ruling Guardian's patent is not anticipated by prior art.