The cost of a utility patent granted by the USPTO for an AI invention can range anywhere from less than $1,000 to over $20,000. The cost of a utility patent varies based on the complexity of the invention, professional services used, and the status of the inventor. Type of FeeCost Preliminary patent search$500-$1,000+ USPTO fees$755-$3,020+ Drawing fees$50-$500+ Patent Attorney fees$3,000-$15,000+ Total Cost$4,000-$20,000+