Site: nolo.com
... A Doing Business As (DBA), also known as a "fictitious business name," "trade name," or an "assumed name ... she uses when doing business. ... name you use does not include the last name(s) of the owners. ... Registering a DBA does not offer this same protection, meaning someone else could use the name, and even ... If you enter into a contract under a DBA that you have not registered, and the other party does not perform ... What Is a DBA? ...