It is widely believed that the 3D printing industry is an example of the use of open source technology leading to tremendous success. According to a newly released market research report from MarketsandMarkets called "Outlook of Mergers & Acquisitions, Investments, and Patents in the 3D Printing Market (2010-2016)", much of the industry’s rapid growth was due to patented technology. According to the report, several high-profile mergers & acquisitions and patent publications were a primary driver of growth, and led to increased investments. You can learn more over on 3DPrint.com: https://3dprint.com/138960/marketsandmarkets-report-ma/