You will notice if you read further articles (such as the one at http://www.theregister.co.uk/content/4/26272.html that they only acquired the patent in 1997, from compression labs... which means they have only had it for... 5 years. Who knows why they are only going after it now, though.
You will notice if you read further articles (such as the one at http://www.theregister.co.uk/content/4/26272.html that they only acquired the patent in 1997, from compression labs... which means they have only had it for... 5 years. Who knows why they are only going after it now, though.