Anthrax Drug Monopoly
Amidst anthrax attacks and widespread fears of exposure, Bayer has refused to allow other pharmaceutical firms to produce ciprofloxacin hydrochloride, so that they can profit from sales of Cipro, their patented drug that cures anthrax.
http://www.corporatewatch.org/?lid=200#war
The U.S. Health and Human Services Secretary threatened to override Bayer's patent unless they agreed to lower the price of the pill, which Bayer promptly agreed.