Mainly because trademarks are registered with governments, some countries or trademark registries might identify a mark, when others may have determined that it's generic rather than allowable like a trademark in that registry. For example, the drug acetylsalicylic acid (two-acetoxybenzoic acid) is better known as aspirin in America—a generic https://best-books33332.tinyblogging.com/the-smart-trick-of-we-hunt-the-flame-that-no-one-is-discussing-81845385