Op-Ed: Prevent a legal catch-22 that could push thousands of generic drugs off the market

Carvedilol could be the poster child for how to lower drug prices. Since 2007, over 20 million patients with cardiovascular conditions have enjoyed generic versions of the popular beta-blocker, which cost 2 cents a dose compared with $4.81 for the brand-name product. Patents on the drug Coreg, dating back to 1978, have long expired, enabling these price-saving generics.

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