This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice.
Insignificant extra-solution activity refers to activities that are incidental to the primary process or product and are merely a nominal or tangential addition to a patent claim. According to MPEP 2106.05(g), “The term ‘extra-solution activity’ can be understood as activities incidental to the primary process or product that are merely a nominal or tangential addition to the claim.” This concept is important in determining whether a claim integrates a judicial exception into a practical application or recites significantly more than the judicial exception itself.