Drugmakers Play The Patent Game To Lock In Prices, Block Competitors Pharmaceutical companies like Purdue Pharma, maker of OxyContin, often win patents for incremental changes with debatable value. Now there's a twist involving an opioid addiction treatment. Pharmaceutical companies like Purdue Pharma, maker of OxyContin, often win patents for incremental changes with debatable value. Now there's a twist involving an opioid addiction treatment. Business
Pharmaceutical companies like Purdue Pharma, maker of OxyContin, often win patents for incremental changes with debatable value. Now there's a twist involving an opioid addiction treatment.
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