Patent Wars: How Patents Impact Our Daily Lives

Patents are ubiquitous in contemporary life. Practically everything we use incorporates one or more patented inventions, and recent years have witnessed epic disputes over such matters as the patenting of human genes, the control of smartphone design and technology, the marketing of patented drugs, and the conduct of "patent trolls" accused of generating revenue from nuisance litigation. But what exactly is a patent? Why do governments grant them? Can patents simultaneously encourage new in...