Copyright lawyer Mark Avsec, partner with Cleveland-based law firm Benesch, believe 3D printing need legal support for which he is currently working on. Since Ohio is becoming the epicentre for Additive manufacturing, designs need to be legalized and copyrighted for the boom of business sector.
Source: http://www.plasticsnews.com/article/20160525/NEWS/160529902/3-d-printing-spurs-new-legal-issues