Hi, two confusions: 1. For example "windows" is a common general word and is used by many companies. Trademarkia shows many live trademarks with the word "windows" https://www.trademarkia.com/trademarks-search.aspx?tn=windows Suppose another company is doing something and extensions other than .com is available. Is it okay to register? 2. If a company has not registered trademark on their company name as per Trademarkia and uspto.gov, then is it okay to get tld and try to sell? What if they registers trademark after I have registered the domain...Can it be a legal case?