The Challenges Of Obtaining Summary Judgment
In Reinhard Delp v. Fresh Headies Internet Sales Ltd. et al., 2011 FC 1228, the Federal Court considered a motion for summary judgment brought by two of five defendants seeking dismissal of a patent infringement action brought against them. As described by the Court, the 815 Patent relates to methods and devices for extracting resins from plants, including cannabis plants.
The plaintiff, Reinhard Delp, inventor and patentee of Canadian patent 2,321,815 (the "815 Patent"), brought a patent infringement action against several companies claiming that they infringed his rights under the patent by marketing the claimed method to third parties.
Two of the defendants, Fresh Headies Internet Sales Ltd. and Crystal Mountain Manufacturing, brought a motion for summary judgment under Rules 213 and 215 of the Federal Court Rules. They argued that the 815 Patent was invalid for inutility because it claimed efficacy at a range of temperatures up to 15ºC. The defendants claimed that Delp made admissions on examination during his examination for discovery that the invention did not work for certain plants at a temperature of 13ºC or above.
The Court held that a person skilled in the art would be capable of optimally working the invention through some routine trial and error and that the patent gave no promise of utility at all temperature points within the range of 0°C to 15°C. In assessing the scope of the claims, the Court noted that neither party had led evidence describing the person skilled in the art, and, more significantly, there was no expert evidence provided to indicate how a person skilled in the art would interpret the patent claims.
The Court considered the degree to which patent claims can be permissibly broader than the effective scope of the invention in terms of utility. Justice Barnes noted that the Supreme Court case of Burton Parsons Chemicals Inc v. Hewlett-Packard (Canada) Ltd...
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