A study of Patent Thickets (1.31Mb) - UK Intellectual Property Office
A study of Patent Thickets (1.31Mb) - UK Intellectual Property Office
A study of Patent Thickets (1.31Mb) - UK Intellectual Property Office
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A Study <strong>of</strong> <strong>Patent</strong> <strong>Thickets</strong> 57<br />
80% <br />
Average change in the hazard <strong>of</strong> entering a parCcular technology class <br />
during the year by technology class if triples density falls by one s.d. <br />
70% <br />
60% <br />
50% <br />
40% <br />
30% <br />
20% <br />
10% <br />
0% <br />
Telecom <br />
Audiovisual <br />
Semiconductors <br />
DigitalComm <br />
ComputerTech <br />
OpCcs <br />
Engines/Pumps/Tu <br />
Transport <br />
Electr/Energy <br />
OrganicChem <br />
TexCles/PaperMa <br />
BasicCommProcess <br />
MaterialsChemist <br />
Polymers <br />
MedicalTechn <br />
MechElements <br />
Measurement <br />
OtherConsGoods <br />
EnvironmentalTec <br />
Materlials/Metal <br />
MachineTools <br />
ThermProcesses <br />
Control <br />
CivilEngineering <br />
Handling <br />
SurfaceTechn <br />
FoodChemistry <br />
PharmaceuCcals <br />
IT_Methods <br />
ChemEngineering <br />
Furniture/Games <br />
Biotechnology <br />
OtherMachines <br />
AnalysisBioMater <br />
Predicted change in hazard <strong>of</strong> entry due to fall in triples density
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