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ARTICLE · 01 MARCH 2016

The Weight Of Words: The Printed Matter Doctrine

The non-statutory judicial exception to patentability for printed matter has its origins in a line of U.S. cases dating back to the 19th century.

CanadaIntellectual Property

The non-statutory judicial exception to patentability for printed matter has its origins in a line of U.S. cases dating back to the 19th century. Over the years, a printed matter rule arose to assess whether printed matter recited in a claim provides patentable weight. More specifically, the printed matter rule is applied to determine whether a claim directed to content of information recorded in a substrate is patentable for considering subject matter (35 U.S.C. 101), novelty (35 U.S.C. 102) and/or obviousness (35 U.S.C. 103) where the primary difference between the claimed subject matter and the prior art lies in that content.

The printed matter rule provides that printed matter may be considered a claim element with patentable weight if the claim is directed to a new and useful feature of physical structure or a new and useful relation between the printed matter and the physical structure.1

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