"Similarly, professors at the Georgia Institute of Technology and Hitotsubashi University in Japan, who studied data about patent holders, found that, in the United States, the average inventor sends in his or her application to the patent office at age 47, and that the highest-value patents often come from the oldest inventors — those over the age of 55.
John P. Walsh, one of the professors, joked that the Patent Office should give a “senior discount” because 'there’s clear evidence that people with seniority are making important contributions to invention.' " - Pagan Kennedy
His recent work that was cited includes studies of university-industry linkages in the US and Japan, the effects of research tool patents on biomedical researchers and country and industry differences in the role of patents in firm strategy.
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