Hiring a trademark attorney greatly increases your chances of successful registration of your trademark
The U.S. Trademark Office strongly recommends that you hire a trademark counsel to file your trademark.
According to the United States Trademark Office there are four main reasons to hire a trademark attorney
An attorney can provide critical legal advice concerning your trademark application
An attorney can conduct a trademark clearance search to determine if your business name is the same or very similar to another business name. A similar business name to another business could constitute possible trademark infringement.
An attorney can assist you in enforcing and maintaining your trademark rights
An attorney can represent you if you decide to file an appeal if your application receives a refusal(office action)