A variety of factors affect whether you'll have DOMS after a squatting exercise session, including the intensity of the exercise, the duration, whether you've warmed up your muscles before exercise, stretching and post-session recovery.
Many observers are of the opinion that a large precentage of software-related inventions are no longer patentable after the Supreme Court's explanation of the abstract idea exception. See BitLaw's discussion on whether software is still patentable after the Supreme Court's Alice Corp. decision and MPEP Section 2106.
Patents, however, are used to protect many ideas that are not directly connected to a physical object. Everything below has the potential to obtain a patent through a patent application. A device: What most people easily relate to as patentable. A teleporter, time machine, ray gun. You can patent an item that performs a function. A design: You can patent the look, form, and structure of a functional item.