US patents
Search 10M granted US patents in full text, from abstract and claims to description, with inventors, assignees and classifications.
1. A solid electrolyte comprising Li, Si, B, Zr, and P…
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What's in the dataset
Identifiers
The patent number in every common citation format, kind code and CPC classes.
Dates
Filing and grant dates.
Inventors and assignees
The people and companies behind the patent, with their locations.
Full text
Abstract, claims and description.
Search by what matters
Describe the invention in plain language, or quote the claim language you're looking for. To keep results to patent pages, add includeDomains: ["exa.ai/library/legal/patent"].
Read the docs →# Same endpoint and API key as web search
curl https://api.exa.ai/search \
-H "x-api-key: $EXA_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"query": "patents on cooling battery packs with immersion dielectric fluid",
"includeDomains": ["exa.ai/library/legal/patent"],
"contents": { "text": true }
}'What teams build with it
Prior art search
Find patents that describe the same idea, even in different words.
Competitive IP tracking
See what a competitor's patents cover, by assignee and technology.
Patent RAG
Ground answers in the full claims and description, not just the abstract.
Searchable alongside the general web index
Patents live in the same index as the open web. There's no separate API or integration: use the same /search endpoint and API key you already use.
Query patents on their own, or mix them with web results in a single call.
Common questions
How many patents does Exa have?
About 10M granted US patents.
What's on a patent page?
The patent number in common citation formats, kind code, CPC classes, filing and grant dates, inventors and assignees, and the full abstract, claims and description.
Are patent applications included?
No. The collection covers granted US patents.
Is there a patent search API?
Yes. Patents are searchable through the same Exa /search endpoint and API key you use for web search, so there's no separate API to set up.
How do I search only patents?
Pass includeDomains: ["exa.ai/library/legal/patent"] to the /search endpoint.
Start searching patents
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