Since trademarks are registered with governments, some countries or trademark registries may realize a mark, although others could have established that it's generic and not allowable for a trademark in that registry. For example, the drug acetylsalicylic acid (two-acetoxybenzoic acid) is better known as aspirin in America—a generic term. https://buy-now.cognitiveinstituteofdallas.org/product-detail-family-and-self-image.html