In 2010. a federal judge shook America's biotech industry to its core. Companies had won patents for isolated DNA for decades -- by 2005 some 20% of human genes were patented. But in March 2010 a judge ruled that genes were unpatentable. Executives were violently agitated. The Biotechnology Industry Organization (BIO), a trade group, assured members that this was just a "preliminary step" in a longer battle.

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