copyright protects what you do. patents protect how you do it. You copyright your source code. You patent your engineering innovations. The ease of duplicati

copyright protects what you do. patents protect how you do it. You copyright your source code. You patent your engineering innovations. The ease of duplicating software based inventions is an argument why patents are important for such inventions. Many tech startup companies that would have been steam rolled by IBM, and friends, have been protected by their patent portfolios.