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Answers with linked authorityQuoted law checked against the source text500/500 on an open citation-grounding task
Method
How the engine works
Trace the answer back to the source
Follow linked authorities and available excerpts behind the answer.
Verify when the words matter
Deterministic checks compare quoted law to the source text. No model decides the match.
Today
What you can do today
Research a legal question
Ask a legal research question and inspect the statutes, rules, cases, and included federal authority behind the answer.
Open Search ->Check citations and assess a document
Check a cited passage or assess a document, then inspect what the source checks found.
Open the verifier ->New York Codes, Rules and Regulations
Search and browse all 23 titles of the NYCRR by title, part, and section.
Browse the NYCRR ->Proof
500/500* on a public citation-and-quote benchmark.
Task-specific proof, not a blanket accuracy claim. Same 500 rows, same grading, two very different scores.
LawEngine deterministic citation-grounding lane
500/500*
Open citation-grounding task
Deterministic verification on the public 500-row benchmark. No AI model sits in this path.
General-model baseline
72.2%
Same task, same grading
361/500 on the same public pack and four-outcome contract.
Coverage
Coverage today
Illinois research
Statutes, constitution, court rules, evidence rules, cases, administrative code, and local law down to the Chicago Municipal Code.
Federal primary law included
U.S. Code, CFR and eCFR, the Federal Rules, and the U.S. Constitution.
New York research
Statutes, covered opinions, New York City legal text, and NYCRR browsing and research with source information.
Company
Built around the details that matter.
LawEngine is founder-led and built around legal sources. We bring engineering, legal data, retrieval, and careful source work to the research process.