Icon in the Measure icon stack. Interference determines whether instances or subassemblies interfere, just touch, or the closest distance between them. An interference set is any combination of two or more instances, or a single subassembly.

Any substance or mechanism that compromises the accuracy of an analysis of another substance. Sample preparations and analyses must often be performed in certain steps to remove substances that would reduce the accuracy in determining the concentration of another substance.

Interferences are held before the Board to determine who will receive priority of the claims in question.