Map of Melbourne City Heliport for S. Congress exercised this power by passing into law the first patent statute, stipulating that the author of a sufficiently useful and important invention would receive patent rights for a duration of 14 years. Over the following century, patent systems were set up in the majority of industrializing countries. By the end of the 20th century, more than 130 countries had a patent system in place, although the details of patent protection granted to inventors differ across national systems. 638 patents In general terms, a patent represents a legal right to exclude others from making, using, or selling an invention or products made by an invented process that is granted to an inventor for a limited term. Accordingly, a patent creates a MONOPOLY over the use of an invention until the expiration of the patent term. The defining characteristics of the regime of patent protection are the duration of the patent rights, the breadth or scope of patent protection, the definition of patentable subject matter (that is, of the kinds of inventions for which patent protection is admissible), and the criteria of patentability that a specific invention has to satisfy. Map of Melbourne City Heliport 2016.