Trademarks & Patents
You must register your trade name or trademark/servicemark with the state of New Hampshire through the Secretary of State's office.
Visit these links on the NH Secretary of State's Corporation Division website to access the forms and laws for the following:
You should also register your trade/service mark with the United States Patent and Trademark Office. If you wish to protect your trade name and mark in other states, you must also register with those states.
You may also want to contact a New Hampshire patent attorney concerning intellectual property, copyright, licensing and patents.