Copyright is called "copyright" in law. Trademarks and copyrights are part of intellectual property rights. Copyright is automatically obtained from the date of creation. Copyright registration was used as a means of presenting evidence. A trademark must be registered before it has the exclusive right. Others may not use a trademark that is identical or similar to your trademark in legal sense. The term of validity of copyright is life+50 years after death. The term of the exclusive right to use a trademark is 10 year. Of course, the exclusive right to use a trademark can be extended by renewal. There is still unclear wood.