Expansion of patent term

The expansion of a patent term refers to extending the duration during which an inventor can exclusively control their invention. Typically, a patent lasts 20 years from the filing date, allowing the inventor to prevent others from making, using, or selling the invention without permission. However, expansions can occur under certain circumstances, such as regulatory delays or changes in market conditions, granting additional years of protection. This extension is intended to reward inventors for their investment in research and development, ensuring they can recoup costs and encourage innovation within industries.