In recent years, software patents have come under fire from legislation (the American Invents Act) that has generally made patents easier to invalidate, and from court decisions (the Supreme Court’s decision in Alice v. CLS...more
Disavowal can occur when a patent holder disavows the full scope of claim terms in the specification or during prosecution (e.g., through the doctrine of prosecution history estoppel). In either event, disavowal requires...more