The US Govt copied the patents belonging to a Dr. Brezenzski who cured cancer. The USPTO allowed the govt to copy the Drs patents and issued new patents in their place. Then the FDA has the Texas Medical Board try to strip his medical license. Surprised he's still alive.
https://articles.mercola.com/sites/articles/archive/2011/06/11/burzynski-the-movie.aspx
https://youtu.be/rBUGVkmmwbk