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Using patent filings to measure innovation |
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| Authors: | Cullis Roger |
| Abstract: | Ever since Bennett Woodcroft compiled his seminal index to theearly English patents, it has been recognized that the emanationsfrom Patent Offices contain a wealth of information. Battelle,in their work on patent trends analysis, revealed that approximately50 per cent of patents are used during their lifetime and that80 per cent of the information obtainable from patents is notavailable from any |
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