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For a patent to be valid in Canada, the invention claimed therein needs to be new and inventive.In patent law, these requirements are known as novelty and non-obviousness.A patent cannot in theory be granted for an invention without meeting these basic requirements or at least, if a patent which does not meet these requirements is granted, it cannot later be maintained.
Canadian patent law is the legal system regulating the granting of patents for inventions within Canada, and the enforcement of these rights in Canada.. A 'patent' is a government grant that gives the inventor—as well as their heirs, executors, and assignees—the exclusive right within Canada to make, use, and/or sell the claimed invention during the term of the patent, subject to adjudication.
In Canadian patent law, only “inventions” are patentable. Under the Patent Act, [1] only certain categories of things may be considered and defined as inventions. . Therefore, if a patent discloses an item that fulfills the requirements of novelty, non-obviousness and utility, it may nonetheless be found invalid on the grounds that it does not fall within one of the statutory categories of ...
Novelty is requirement for a patent claim to be patentable. [1] In contrast, if an invention was known to the public before filing a patent application, or before its date of priority, if the priority of an earlier patent application is claimed, the invention is not considered new and therefore not patentable.
The Patent Act (French: Loi sur les brevets) is Canadian federal legislation and is one of the main pieces of Canadian legislation governing patent law in Canada.It sets out the criteria for patentability, what can and cannot be patented in Canada, the process for obtaining a Canadian patent, and provides for the enforcement of Canadian patent rights.
To be valid, a patent's usefulness must be established, whether by demonstration or by sound prediction, at the time of the patent application. Any evidence of utility after this date is irrelevant, regardless of when the patent's validity is challenged. Later proof of an invention's inutility can be used to invalidate a patent. [6]
Apotex Inc v Sanofi-Synthelabo Canada Inc, [2008] 3 S.C.R. 265, is a leading Supreme Court of Canada decision on the novelty and non-obviousness requirements for a patent in Canada. The Court rejected a challenge by the generic drug manufacturer Apotex to declare Synthelabo Canada 's patent for Plavix , an anti-coagulant drug, invalid.
Patent, Presumption of Validity, Anticipation, Obviousness Judgement of the Canadian Federal Court of Appeal Diversified Products Corp v Tye-Sil Corp is a Canadian Federal Court of Appeal decision concerning the presumption of validity in Canadian patent law and novelty.