Patents are basically rights to try and develop a commercial product.
People think that Celera's trying to patent the whole human genome because it's been used as - I guess people in Washington learn how to do political attacks, and so it gets used as a political weapon, not as a factual one.
People equate patents with secrecy, that secrecy is what patents were designed to overcome. That's why the formula for Coca-Cola was never patented. They kept it as a trade secret, and they've outlasted patent laws by 80 years or more.