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§ 13.2 Circumstances in Which the Requirement of Unity of Invention Is to Be Considered Fulfilled - none Patent Cooperation Treaty
§ 13.2 Circumstances in Which the Requirement of Unity of Invention Is to Be Considered Fulfilled
Where a group of inventions is claimed in one and the same international application, the requirement of unity of invention referred to in Rule 13.1 shall be fulfilled only when there is a technical relationship among those inventions involving one or more of the same or corresponding special technical features. The expression "special technical features" shall mean those technical features that define a contribution which each of the claimed inventions, considered as a whole, makes over the prior art.
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