The benchmarking surveys of IAM's readership that we have been publishing since 2010 consistently show the European Patent Office to offer the highest quality patents and the best service to applicants among the IP5 issuing authorities. Over the same time period, the USPTO has increasingly focused on improving its output, but no initiative seems to have had much of an impact – at least among our readers. For just as the EPO secures top spot each year, so the USPTO is stuck in third, with the Japan Patent Office the perennial occupier of second position.

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