US Patent Office rejects remaining NTP vs RIM patent

The US Patent and Trademark Office has rejected another patent owned by Research in Motion sparring partner NTP, effectively rendering invalid all eight patents RIM was judged to have infringed in whole or in part.
The USPTO’s ruling was made public last week, though it’s merely a preliminary judgement, not the last word on the matter. A final, categorical ruling could be some way off – the wheels of the USPTO grind exceeding slow, it seems. In June, the USPTO issued preliminary rejections of seven of eight patents that underpinned NTP’s legal action against RIM, and it has yet to issue a final verdict on any of them.
The latest ruling was made after the USPTO concurred with claims that techniques detailed in the NTP patent had already been used by another company.
US Patent Office rejects remaining NTP vs RIM patent | The Register

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