Majority Of US Patent Thickets Filed Post-FDA Approval, Study Finds

The Investigation Looked At Top 10 Selling Prescription Drugs In 2021

As different US authorities keep pointing fingers at each other over who is responsible for improper patent listings, a study looks at patent applications that are filed after an FDA approval.

Businessman in a maze
• Source: Shutterstock

A new investigation has found that 72% of patent applications linked to the 10 top-selling prescription drugs in the US for 2021 were filed after receiving approval from the US Food and Drug Administration.

Patent thickets are a tactic used by drug developers to delay generics from entering the market. They can limit off-patent...

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