Posted by Kenny Hernandez
NEW YORK (CNNMoney.com) -- U.S. innovation slowed this year for the first time in 13 years as the recession cut into budgets, and costs to protect inventions rose.
The number of patent filings in the United States fell 2.3% in 2009 to 485,500 from 496,886 last year, according to a preliminary estimate by the U.S. Patent and Trademark Office. That makes 2009 the first year since 1996 in which businesses and inventors filed fewer patents year over year.
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