>> > no, t9 is patented in it's entirety.
>> what exactly is patented that could not be reimplemented?
>> - the system of numbers and characters per key is afaik a well known
>> standard (and dating from long before the mobile era)
>> - hitting the key several times to select a specific symbol was done  
>> long
>> before t9 came up
>> - completing a word from a dictionary based on the already available
>> string is done by several keyboard apps (even xvkbd afaik) w/o violating
>> any patents
> the last bit is patented. matching it to a dictionary (when combined  
> with the
> first 2). this is the patent. when combined with a numberpad and key
> combinations per number - to use a dictionary to auto-guess the key you  
> wanted
> without having to cycle through all keys with multiple presses on a key.

sounds to my like a combination of prior art and triviality -- but  
probably no one has time or money to dispute it ...

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