Monthly Archives: April 2011

Patents claiming a method of doing business – Appeal to be heard in June

As posted earlier, the Federal Court in Amazon v. Canada, 2010 FC 1011 held that a method of doing business (a “business method”) can be patentable subject matter. The Department of Justice on behalf of the Canadian Intellectual Property Office … Continue reading

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The evidentiary standard for challenging US patent validity

Yesterday, the US Supreme Court wrapped up oral arguments for Microsoft Corporation v. i4i Limited Partnership, in which i4i sued Microsoft for patent infringement. This case has attracted worldwide attention, not only because the infringing product (MS Word) is widely … Continue reading

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Prior art and being the first to file a patent application

If you’ve heard of patents before you’ve probably heard of the term prior art.  A prior art is generally a public document that demonstrates the state of the art at a particular time. Since patents are only awarded to an … Continue reading

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