Take Aspirin, which was a registered trademark of Bayer for the longest time until it became a generic name. Now anyone in the US (and eleven other countries) c

Take Aspirin, which was a registered trademark of Bayer for the longest time until it became a generic name. Now anyone in the US (and eleven other countries) can label their brand of acetylsalicylic acid tablets aspirin. If people are more inclined to buy aspirin, it's less likely to be Bayer brand Aspirin.