When you working at the industrial company or other company that require you inventing something base on your own disain, it is better for you to have law firm that could protect your disain, from intellectual crime. Usually disain, that you make by yourself will be passive income for you. The passive income that you suppose to have, could not be gain if you do not legalize it as your intellectual wealth. When you have disain, something and you legalize it as your intellectual wealth, every people or entities that want to use your disain, have to pay to you. If you do not protect your disain, by legalize it as your intellectual wealth, every people cold copy you disain, and use it for their benefit.