TaiLexi AI U.S. Case Law

Updated daily · latest decision October 10, 2026

Search 10.6 million U.S. court opinions.

Every U.S. Supreme Court decision, the federal courts of appeals and district courts, and the appellate courts of all fifty states — with the search syntax you already use.

10,577,272 opinions from 2,202 courts · new opinions added daily

Terms & Connectors, as you learned them

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The Westlaw and Lexis syntax you already know, including field searches — or just ask in plain English.

Bluebook citations, one click

Preferred reporter, court and year parenthetical, T6 abbreviations. Select any passage to copy it with a pin cite — the case name stays italic when you paste into Word.

See how a case has been used

Every citing opinion, ranked by how heavily it relies on the case, plus the one-line descriptions later courts wrote about it — “holding that…”.

Built for AI assistants

Connect Claude, ChatGPT or any MCP client: search, read, trace citing cases, and verify every citation in a draft before it goes out. Set up MCP →

Keyboard shortcuts

/Focus the search box
j kNext / previous result
EnterOpen the selected result
n pNext / previous search term in a case
cCopy the citation of the current case
+ −Larger / smaller reading text
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