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Called the Patent Reform Act of 2006, the measure followed two years of hearings, meetings and debate, the senators said. It bears a number of similarities to a bill offered last summer by Texas Republican Lamar Smith in the House of Representatives. Specifically, it would shift to a "first to file" method of awarding patents, which is already used in most foreign countries, instead of the existing "first to invent" standard, which has been criticized as complicated to prove. Such a change has already earned backing from Jon Dudas, chief of the U.S. Patent and Trademark Office.