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.
Appears in 9 contracts
Samples: Patent Cooperation Treaty (Pct), Patent Cooperation Treaty (Pct), Patent Cooperation Treaty
