Patent Act (Canada)
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The Canadian Patent Act 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.
These restrictions form a system of encouraging economic and technical growth. The patent is contract between the inventor and the government who represents society. The inventor obtains a monopoly limited by to a 20 year term over producing and selling the patent. Society gains disclosure of the invention and free use of it after the patent expires.
The first patent in Canada was granted by the legislature of Quebec in 1791. No official patent act followed until about 30 years later when Upper and Lower Canada enacted patent acts in the 1820s.
It wasn't until the passing of the British North America Act and the creation of the nation of Canada that the first federal Patent Act was created. The first patent act was created as a part of the British North America Act in 1869. This act granted patents for a term of 15 years, divided into 3 five year periods.
The second federal Patent Act was passed in 1872 and allowed foreigners to register patents.
In the 1880s and 1890s the Patent Act was amended to extend patent terms from 15 to 18 years, divided into 3 six year periods.
The Patent Office and post of Commissionaire of Patents are established by statute between 1900 and 1919.
In 1923 the third federal Patent Act provides provisions for inventions created by public servants.
The fourth federal Patent Act was passed in 1935, this act had provisions for the procedure of obtaining patents on inventions related to national defence and atomic energy.
The Patent Office and position of Commissionaire of Patents were incorporated into the new Canadian Intellectual Property Office in 1991.
In 1993 the requirement that an invention be not obvious was added to the Patent Act.
Applicable subject matter
Patents apply to physical inventions and process, but not literary works, most software and other forms of intellectual property. For more information see patentable subject matter in Canada.
It is the responsibility of patent owners to enforce their patents. This is done by taking potential offenders to court to determine if the patent has been infringed and obtain compensation. Court action can be very expensive and can deter people from enforcing their patents. The cost a patent infringement action in Canada can run from several hundred thousand dollars to several million dollars, depending on the complexity of the case.
References and notes
- Full text of the Patent Act (R.S.C., 1985, c. P-4)