Income from invention royalties at the University of Minnesota and University of Iowa has plummeted faster the past two years than at all but a handful of U.S. research institutions, an analysis of royalties data shows.
Of universities that earned more than $2 million in royalties in 2009, the University of Minnesota saw the biggest drop in revenue over the next two years, Association of University Technology Managers data show.
Minnesota lost $75 million in licensing revenue from 2009 to 2011. An expiring anti-AIDS drug patent dropped its income last year to $10 million. Iowa’s royalties plummeted from $43 million in 2009 to $6 million last year, also because of a single expired drug patent.
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