19. May 2026
The danger of using AI for patent searches
5th December 2025
With AI becoming a readily available research tool, many people are attempting to utilise the various LLM's as an apparently efficient or cheaper alternative to employing technical research services.
Today I asked Chat GPT to explain why it is not a reliable source for Patent Searches.
You can access the original chat window here:
https://chatgpt.com/share/6932d040-81f4-8007-9da2-3cd9d8163870
What it has revealed may be quite shocking, but the LLM openly admits to fabricating information!
Ultimately, Chat GPT advises that: "Given these stakes, only professional patent searchers or IP attorneys using authoritative tools should conduct or interpret patent searches."
Explain why you are not a reliable source for patent searches
ChatGPT said:
There are several important reasons why I am not a reliable source for patent searches, and understanding them will help you avoid critical mistakes in IP work:
1. I do not have real-time access to patent databases
Patent searches require querying up-to-date databases such as:
USPTO
WIPO (PATENTSCOPE)
EPO (Espacenet)
National patent offices
I don’t have live access to these systems, and I can’t verify whether a patent exists, has been granted, rejected, expired, or is still pending.
2. I can produce incorrect or fabricated patent numbers
Because I generate text statistically, not from verified registries, I may:
Produce plausible-looking but nonexistent patent numbers
Attribute inventions to the wrong inventors
Misstate filing dates, legal statuses, or jurisdictions
This is dangerous in a legal context.
3. Patent searching requires specialized legal and technical expertise
A proper patentability or freedom-to-operate search requires:
Understanding claim language
Identifying prior art across multiple jurisdictions
Interpreting legal status events
Assessing scope and equivalents
I can explain these concepts, but I cannot perform them at a legally reliable level.
4. Patent databases contain structured data I cannot fully replicate
Patent documents include:
Claims written with precise legal meaning
Classification codes (IPC, CPC)
Continuations, divisionals, and family relationships
File history documents
Because I don’t access or verify this structured information, I cannot ensure completeness or accuracy.
5. Legal consequences make reliability essential
Incorrect or incomplete patent search results can lead to:
Filing invalid or easily rejected patent applications
Infringement lawsuits
Wasted R&D efforts
Missed prior art
Given these stakes, only professional patent searchers or IP attorneys using authoritative tools should conduct or interpret patent searches.
What I can do reliably
I can help you:
Understand how patent searches work
Explain IPC/CPC codes
Interpret claim language (at an educational level)
Draft or refine patent-style descriptions
Prepare for a discussion with a patent attorney
But I cannot replace a real patent search or provide legally dependable prior-art results.
If you want, I can also outline:
How to perform a proper patent search
Which databases to use
What kinds of results to collect before speaking with an attorney