SciencePatent dropTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceMarcus Costello06/30/2014June 30, 2014The electric car developer, Tesla, sent a jolt of electricity through the industry when it said its patented technology was now open source. Sounds like a gift to the e-car market. But is dropping patents the best way to accelerate innovation?https://p.dw.com/p/1CSspAdvertisement Report: Marcus Costello