1. The pace of technology adoption is speeding up;McGrath,2013
2. Can Patents Deter Innovation? The Anticommons in Biomedical Research
3. Pools, thickets and open source nanotechnology;Joel;Eur. Intell. Prop. Rev.,2009
4. Time to eliminate patents altogether? Fed paper urges more open innovation
http://www.zdnet.com/article/time-to-eliminate-patents-altogether-fed-paper-urges-more-open-innovation/