Property law is an ongoing search for ways to internalize what economists call externalities: positive externalities associated with productive effort and negative externalities associated with misuse of commonly held resources.
The U.S. Supreme Court Is Reining in Patent Trolls, Which Is a Win for Innovation
This article by the Harvard Business Review examines recent changes in patent law.
In the last few decades, courts have both broadened the kinds of inventions for which patents can be granted and relaxed their oversight of what constitutes genuinely novel innovation. As a result, companies of all sizes are increasingly hindered in efforts to bring new products and services to market by patent holders claiming infringement of even trivial features.