Artificial intelligence tools now sit inside almost every research and development process, from drug discovery platforms to generative design software engineers use each day. Inventors who lean on these tools face a natural question: Does using AI put patent rights at risk?
The United States Patent and Trademark Office (USPTO) addressed this question in a guidance document issued in November 2025, and the answer, in most cases, is no — provided the human inventor meets certain requirements. This article breaks down what changed, what the rule requires today, and what steps an inventor should take to protect a claim to inventorship.
What Changed With the November 2025 Guidance
In February 2024, the USPTO first addressed AI-assisted invention with a framework that asked whether a human made a significant contribution to conception, a test borrowed from disputes between multiple human co-inventors. That framework drew criticism as confusing and hard to use outside its original setting.
On November 28, 2025, the USPTO withdrew that guidance in full and put a plain rule in its place: the same conception standard used for every other invention now governs an AI-assisted invention too. There is no special test, no added checklist item, and no extra burden placed on an invention just because AI played a part in its creation.
The Standard That Still Controls: Conception
Patent law has centered on one concept for decades: conception. Conception is the formation, in the mind of a human inventor, of a definite and complete idea of the invention as it will work in practice, described in enough detail that a skilled worker could build it without extra research.
An AI system cannot hold this status because conception is a mental act reserved for human beings. An AI tool, no matter how advanced, gets treated the same as a lab instrument, computer software, or a research database — a tool a human uses, not a co-inventor in its own right.
What This Means in Practice
If a single human inventor uses an AI tool during the invention process, the question is straightforward: did that human form the complete idea of the invention in their mind, with enough detail that a skilled worker could build it without extra experiment? If yes, that human is the inventor. The AI tool needs no mention on the application, and its use does not weaken the patent.
When more than one human works on an AI-assisted invention, the older Pannu factors, used to sort out joint invention disputes, still govern, but just among the humans involved. AI plays no part in that analysis because it is not a person under the Patent Act.
The Risk on the Other End of the Spectrum
There is a real risk worth noting: if no human can point to a moment of true conception because the AI did most or all of the work, the invention may not get patent protection at all, since no person can stand behind it as the one who formed the idea. Heavy reliance on an AI tool, without a human directing the outcome and making the key choices, can leave an invention with no inventor to name, and a patent application with no path to grant.
Protecting Inventorship: Steps to Take Now
- Do not list an AI tool as an inventor or co-inventor on any application, US or foreign. An examiner will reject a claim that names a non-human, and a mismatch with a foreign filing can cause trouble with a priority claim
- Meet with a patent attorney before filing, so inventorship gets sorted out at the start rather than after an examiner raises a question or a court challenges validity down the road
International Filings and AI-Named Inventors
Research teams working across borders should take note: the USPTO will not accept a US filing that claims priority to a foreign application naming an AI system as inventor. If a foreign patent office allows a non-human name on an application, US counsel must fix that mismatch before the US filing goes in, and every team member working on a project with global reach should understand this rule from the start.
Conclusion
AI use does not block the door to patent protection. What blocks that door is a lack of proof that a human mind formed the complete, working idea and can describe it in detail. Careful record-keeping, a clear line between AI output and human judgment, and counsel who understand how the USPTO now reviews these facts remain the best tools an inventor has to keep that door open.
Justin Miller is a solo patent attorney, and the only IP Certified attorney in Saint Petersburg, Florida. In 2025 he started his own law firm, Distinct Patent Law, after nearly 15 years of practice. Justin serves clients in Tampa Bay, and because patent law is federal, can file patent applications for clients all over the United States.