A trademark is any unique statement related to a product or service that show this is different from others. This statement could be a word, slogan, photograph, logo, graphic, colour combination, sound or even smell.
A trademark can be easily assigned from one authorized person to other. If a person wants to transfer his/her trademark or wants to shift the ownership of the trademark, then it can be done easily with a Trademark Assignment.
Trademarks can be transferred eternally or for a limited period of time. A proper deal should be undersigned in such cases to avoid any further legal issues. You have authority to assign registered or unregistered trademark. You need to apply to the Registrar in such cases.