19 years ago...
Microsoft could have registered its Excel trademark. 19 years ago!!! I guess they care more about their brand than they do about their trademarks. :-p
however, I hear they were protected by something called common law trademark.
however, I hear they were protected by something called common law trademark.
Trademark rights arise in the United States from the actual use of the mark. Thus, if a product is sold under a brand name, common law trademark rights have been created. This is especially true once consumers view the brand name as an indicator the product's sourceread more

