What is the “one-way rule” for determining inventorship differences?

The “one-way rule” is a key concept in determining inventorship differences for prior art purposes. According to MPEP 2136.04: “The ‘one-way rule’ is that the inventorship of an application-publication having at least one inventor in common with the patent is different than the inventorship of the patent if the application-publication names at least one inventor…

Read More