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.
Patent infringement is the commission of a prohibited act with respect to a patented invention without permission from the patent holder. Permission may typically be granted in the form of a license. The definition of patent infringement may vary by jurisdiction, but it typically includes using or selling the patented invention.