Approximately how many patents were in force in the United States as of 2023?
Answer
3.5 million
The United States held an estimated 3.5 million patents in force during 2023. This metric indicates the number of rights that are currently active, meaning they are being maintained through the payment of required renewal fees. This number is distinct from annual grant totals because many patents expire or are abandoned before the end of their 20-year lifespan due to a lack of maintenance fee payments.

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