A recent study published by the United States Patent and Trademark Office (the "USPTO") found that the number of artificial intelligence related patent applications had more than doubled in 2018 from 2002. In 2018 there were more than 60,000 AI related patent applications while in 2002 there were 30,000 AI related patent applications.
You can read more about it here.
USPTO Sees Increase in Artificial Intelligence Related Patent Applications
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