Drugmakers Play The Patent Game To Lock In Prices, Block Competitors

Purdue Pharma, maker of the opioid OxyContin, has a subsidiary that won a patent for a treatment for opioid addiction.

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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Sarah Jane Tribble