Totaro & Associates has completed the second phase of a study which began in December 2010 on the patent landscape of the horizontal-axis, utility-scale wind industry. We have now read and classified over 23,100 global patents and applications, with over 3,200 issued patents in the US alone.
The analysis looks at the breadth of patent claim coverage and the use of that patent protected technology within the industry. Close to 11% of patents in any given country can be classified as high risk patents, or those which have broad claim breadth that covers technology which is being used by at least one other turbine vendor besides the patent holder.
Other search methods often leave hundreds of relevant patents missing from the results set, leaving a veil of ignorance covering a gaping whole.
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