Company services are given by many company law firms who follow the complete rules and regulation of company act in order to do all the activities, which a person should to do in managed ways.
Copyright services is offered to those corporate clients and individual who have own creation and ownership over the unique things, and objects.
Patent services are needed on the compulsory basis, if any individual wants to keep separate and secure their inventions from use by others.
Perhaps, you will contact attorney or lawyer usually for legal work and you will also know their importance in different areas like economy and finance.
A trademark expires on prescribed time of ten years that is defined according tm law act, and one should to do trademark renewal in order to keep the ownership over the registered brand or mark name.