Legal battles over board patents on stem cells and software.
The U.S. Patent and Trademark Office too often grants patents that are overly broad or cover well-established common practices--thwarting innovation and imposing high costs on would-be competitors. So says Dan Ravicher, founder of the New York City-based Public Patent Foundation, who challenges patents by asking the patent office to narrow claims. Here's where three of his highest-profile fights of 2006 stand.
Patent
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