Lemley, Mark A.; Reinecke, Jason - 2023
Since 1995, patents in the United States expire twenty years from the day they were filed. Except when they don …’t. Beginning in 2000, Congress provided certain “exceptions” to the twenty-year patent term, extending the life of patents to ….5 million patents filed on or after May 29, 2000 that issued by the United States Patent and Trademark Office since 2005. We …