Nokia Patent Infringement

Qualcomm, the claimant in this case, owned two European patents relating to mobile phones: the first one related to an apparatus for controlling the way in which the mobile telephone reduces power consumption by monitoring a channel for incoming messages intermittently. The second patent relates to a method and device for the correction and limitation of the transmitted power of a mobile telephone.

The defendant, mobile giant Nokia Corporation, was accused of infringement of the above patents. Nokia denied infringement, arguing that the patents were invalid and counter claimed to revoke them.

The High Court considered the issue of construing patent claims, and said that the correct approach is to determine what the person skilled in the art would have understood the patentee to have been using the language of the claim to mean. The issues of novelty and inventive step were also considered.

In the end the High Court held that Qualcomm’s patents were invalid. However, the Court also found that had they been valid they would have been infringed by various mobile phones owned by Nokia.

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