There is no global patent that will secure protection for an invention globally, and as the title of the book Global … limited ability to enforce their patents across national borders. While national patent systems have undergone significant … internationalization in the past 140 years, and international treaties and agreements among national patent offices have been designed to …

ignore the fact that the DVD technology is protected with patents. More than 850 patents owned by some 10 patent holders … around the world, such as Philips, Sony, Toshiba, Hitachi, etc. In order to be on ‘the safe side’, you will have to negotiate … individual licenses with all those 10 patent holders in order to use these technologies. It goes without saying that doing so …

This paper examines the role of patent policy in the open economy. It begins by considering how the presence of patents … affects trade in patentable products. A brief review of the general argument for patent protection is followed by … consideration of the elements that comprise a patent system, and which determine "patent strength". Attention is then given to how …