Patent Gold Rush
The report from Lux research gives a classification of the three thousand odd patents that were submitted in Nanotech.
* Dendrimers pose the biggest question mark, scoring low on white space and freedom from entanglement for all commercially significant applications. A large number of relevant claims have been assigned from pioneer Dow to one start-up company, Dendritic Nanotechnologies.
* Quantum dots have particularly knotty entanglement for general claims that cover the materials themselves and not any specific application.