What is the duration of patent and trademark protection, and how do they differ from copyright protection?

Patent and trademark protection differ in their duration and the scope of their protection, as compared to copyright protection. Patent protection provides a temporary monopoly over an invention or discovery, granted by the government in exchange for public disclosure of the invention. The duration of a patent varies depending on the type of patent granted and the country in which it was granted. In the United States, for example, a utility patent typically lasts for 20 years from the date of filing, while a design patent lasts for 15 years. In some countries, such as the European Union, patent protection can last for up to 25 years. Once the patent protection expires, the invention enters the public domain and can be used freely by anyone. Trademark prot....