The Oslo District Court invalidated the Norwegian patent NO 324 454 B3 on a method intended for the direct detection of oil and gas in subsea reservoirs using electromagnetic measurements due to lack of novelty over four citations. This judgment differed from the English Court of Appeal, which had found that there were no grounds for declaring the parallel British patent invalid. The different outcomes may be explained by the fact that new documentation was invoked which caused the Oslo District Court to define the skilled person differently than the English Court of Appeal, as well as two new citations.

A full summary of this case has been published on Kluwer IP Law.



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