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Patent PreCheck vs ChatGPT, Claude & Perplexity

Short answer: Any AI chatbot can explain patent law — but it can't search prior art, so it can't actually tell you whether your idea or code is novel. Patent PreCheck runs on the same frontier models and grounds them in real patents, real examiner rejections, and worldwide filings, then scores your invention statute-by-statute and calibrates to real USPTO outcomes.

Can ChatGPT tell me if my idea is patentable?

You can ask any AI, and for understanding the law it's genuinely useful. But novelty (§102) and obviousness (§103) are decided by prior art — and a general chatbot can't search it. Ask "has this been done before?" and it will guess, or invent patent numbers that don't exist. Here's the honest difference:

General AI chatbots
ChatGPT · Claude · Perplexity · Gemini
Patent PreCheck
Explains patent law (§101 / §102 / §103 / §112) Yes Yes — runs on the same frontier models
Searches real prior art (granted patents, applications, worldwide) No — can't retrieve it Yes — 1,500,000+ real records
Surfaces specific references you can open No — often invents patent numbers Yes — links to the closest real prior art
Novelty & obviousness checked against actual documents No — guesses Yes — semantic match to real filings
Separate score per statute No — one vague verdict Yes — §101/§102/§103/§112 broken out
Calibrated to real USPTO grant/rejection outcomes No — confidence is vibes Yes
Examiner-style (looks for reasons you'd be rejected) Tends to agree with you Yes — adversarial by design
Consistent, repeatable result Changes with how you phrase it Same rubric every time; calibration layer is deterministic
Up to date with recent case law & USPTO guidance Limited by training cutoff Yes — daily legal-intel feed
Reviews your actual code / disclosure interactively Partial Yes — Interactive Code Review
Structured report you can act on & track No Yes
Cost & speed ~$20/mo, general-purpose Free score in < 60 sec · $69.95 review (no subscription)
Replaces a patent attorney No No — it's pre-filing triage, not legal advice
Bottom line A confident guess An evidence-backed score

Prior-art corpus: 1,500,000+ indexed documents (USPTO, EPO, PTAB, scholarly & code sources). Score calibration and data sources: methodology  ·  legal intelligence  ·  sample report.

Same AI underneath. The difference is the evidence.

Get your free score → Start Interactive Code Review — $69.95

Sample report  ·  Free vs paid  ·  Methodology

Common questions

Can ChatGPT tell me if my idea is patentable?
ChatGPT can explain patent law, but it cannot search prior art — so it cannot reliably check novelty (35 U.S.C. §102) or non-obviousness (§103), and it may cite patent numbers that do not exist. Patent PreCheck runs on the same frontier models but grounds them in a corpus of real granted patents, examiner rejections, PTAB decisions, and worldwide filings, then scores your idea statute-by-statute and calibrates the result to real USPTO outcomes.
Are Claude or Perplexity good for checking if code is patentable?
They are useful for understanding the law and brainstorming, but like any general AI they have no retrieval over the patent corpus. They guess at novelty and obviousness instead of comparing your work against actual filings. Patent PreCheck surfaces the specific prior-art references closest to your invention and links to them.
What does Patent PreCheck do that a general AI chatbot cannot?
It searches a 1,500,000+ record index — including the applications that were rejected or abandoned and the examiner office actions behind them — surfaces the closest references and rejection patterns you can open, scores §101 eligibility, §102 novelty, §103 non-obviousness, and §112 enablement separately, takes an examiner-style adversarial view, and calibrates its scores to real USPTO grant and rejection outcomes.
Is Patent PreCheck a replacement for a patent attorney?
No. Patent PreCheck is a pre-filing assessment and triage tool, not legal advice. It helps you decide whether your idea is worth an attorney’s time and strengthens your disclosure before you pay one. A formal patentability or freedom-to-operate opinion still requires a licensed patent attorney.
How much does Patent PreCheck cost compared to ChatGPT?
The patentability score is free and takes about 60 seconds, with no account or card. The Interactive Code Review is $69.95 per invention, with no subscription required — versus a general AI subscription that still cannot search prior art.

Other paths: DIY search, drafting tools & attorneys

Beyond chatbots, developers usually weigh three more options: search databases yourself, use AI drafting tools, or go straight to a patent attorney. Patent PreCheck sits between DIY search and counsel — optimized for human conception documentation when you build with AI IDEs.

At a glance

Capability Patent PreCheck DIY search (Google Patents, etc.) AI drafting tools Attorney consult
Input: raw source code Core No Rare If you bring it
§101–§103 pillar coaching Interactive edits + live score preview No Claims/spec focus Yes (billable hours)
Human inventorship documentation Rubric + evidence uploads No Limited Yes
Prior-art context in scoring Yes (ingested corpus) Manual keyword search Varies Professional search ($$)
Typical inventor cost Free score; $69.95 review Free–low ~$50/mo+ $8k–$17k+ to file
Legal advice No — prep only No No Yes

When Patent PreCheck is the right first step

When to skip us and go straight to counsel

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