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Inside Internal Controls

News and discussion on implementing risk management

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promise doctrine

Going overboard on overbreadth

Under the doctrine of overbreadth (also referred to as “claims broader than the invention” and “covetous claiming”), a patent is invalid if its claims extend beyond the invention. While seemingly a straightforward idea, there is a lack of clarity for how such an allegation of invalidity is approached by the Court.

 

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Promise doctrine abolished by the Supreme Court of Canada

On June 30, 2017, the Supreme Court of Canada, released a landmark patent decision (2017 SCC 36) abolishing Canada’s so-called ‘Promise Doctrine’ by finding it “unsound”, “not good law” and “incongruent with the both the words and scheme of the Patent Act.”

 

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