Human Contribution, Machine Prior Art: Re-Drawing Patentability and Practice in the Generative Artificial Intelligence Age

Abstract

Generative artificial intelligence (GenAI) is testing the foundations of patent law. This article offers a narrative review of global developments in patent practice from 2020 to 2025, spanning technological, legal, and interdisciplinary perspectives. We examined forty-three documents on how AI systems contribute to the inventive process across leading fields and how they blur the line between human creativity and machine output. We synthesize competing views on whether patent frameworks can and should adapt to AI-generated inventions. Some warn that rejecting "AI inventions" will stifle innovation; others fear a flood of low-quality disclosures that could erode the integrity of the patent system. We offer a path to reconciling human contribution with machine assistance. We argue that the legal concepts of inventorship and patentability require recalibration, and we outline future directions: harmonizing international responses, embedding safeguards to ensure meaningful human oversight, and evolving examination practices to preserve patent quality in the GenAI era. We call for redrawing the boundaries of patent law to incentivize human–AI collaborative creativity while maintaining a fair, effective patent system.

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