File and register a trademark to protect your business name or product name. Applying to register a trademark is simple and affordable with LegalZoom.Find out how to get started with this easytofollow explanation of how the registration process works, how much it costs, how long it takes and more. Filing for a trademark can protect your brand. This simple guide talks you through filing the paperwork, what it costs, and more. A "Sole Proprietorship" or "General Partnership" seeking to operate in the County of Middlesex must file a Certificate of Trade Name with the County Clerk. You seem to care about your business so the trademark process is not where I would take shortcuts. Many standard forms are available below. All forms are categorized into their respective departments.