Due to the fact trademarks are registered with governments, some countries or trademark registries may possibly realize a mark, while others might have determined that it's generic rather than allowable like a trademark in that registry. For example, the drug acetylsalicylic acid (2-acetoxybenzoic acid) is better known as aspirin https://buy-now.cognitiveinstituteofdallas.org/product-detail-narcissistic-personality-disorder-in-relationships.html