Legal writing for the Mac
Type @coolidge[481] and the page prints
Coolidge v. New Hampshire, 403 U.S. 443, 481 (1971).
You write the argument; Lysias writes the citations, checks them
against the opinions and the court's rules, and typesets the result
for filing.
Free with a 14-day trialOne-time unlock, no subscriptionmacOS 14 or later
Made-up citations
Six million citations from forty-one reporters ship with the app. Every case your brief cites is checked against them: whether a decision exists at that citation, and whether it is the one you named.
Cite check
Each citation opens to its page in the source, with the quoted passage shown beneath it. A quotation that drifted from the original is flagged, and so is one that owes the reader a parenthetical.
With a free CourtListener account, it also finds later opinions that say “overruled” beside a case you cite.
Quote finder
Lysias asks every opinion in your library which passage supports the sentence you just wrote, finds the page, and writes the pincite. Its own algorithm, not an AI model — and nothing leaves your Mac.
Add a case by citation and the opinion arrives with its pagination, open beside your draft.
The court's own rules
Before you file, the brief is checked against that court's rules: the required sections, the cover, the certificates, the word or page limit. Each finding names the rule it comes from.
Word, both ways
Open a .docx — a brief, a memorandum, a law review
article or a contract — and Lysias reads it for what it is, offering
every citation typed out in it. A draft that comes back from
co-counsel is read as tracked changes and comments, taken one at a
time or left alone.
Contracts
Start an agreement from a form or from your firm's own. The deal's values fill the clauses, every defined term is tracked, and the margin shows what has changed since the form. A contract somebody else sent is read against yours, subject by subject.
Export one copy per party, or a fillable copy for signature.
And the rest of the work
Where a court writes citations its own way, so does Lysias: G. L. c. 93A, § 2 in Massachusetts, the official reports or the public-domain number where the rule requires it.
Full citations, short forms, Id., parentheticals, signals and the Table of Authorities are handled for you, with cross-references that renumber themselves.
The U.S. Code, C.F.R., Federal Rules, U.C.C. and the codes of thirty-nine states and D.C. arrive as text when you add a section.
Parties, counsel and proceedings belong to the matter. One project holds the motion, memorandum, declaration and order, with one library and one caption.
The cover sets itself in the court's own wording. Justified text, true small caps, footnotes, pictures and complex tables.
Press ? for help in plain words, or take the guided tour through a sample brief on a made-up matter.
Private by construction
Your briefs, your authorities and your settings are files on your disk, and typesetting runs offline. When Lysias fetches the text of an authority, the request goes straight to a public legal-data service and carries only the citation — never your document.
Read the privacy policy — it is one page.
Price
After the trial, your projects still open, read, typeset and export. A one-time purchase turns writing back on — nothing you wrote is ever held back.
Every feature for 14 days from first launch. No account, no card.
An in-app purchase through the Mac App Store. No subscription; restore it on every Mac signed in to your Apple Account.
Requires macOS 14 or later and a Mac with Apple silicon
