This Nolo.com webpage provides answers to commonly asked questions about choosing and registering a successful business name, including:
What’s the best type of name for my business?
What issues should I keep in mind when picking a name for my business?
How do I find out if the business name I want is available?
What is a trademark?
What is the ‘legal name’ of my business?
What is a fictitious business name?
Do I have to register my business name?