Legal retrieval is anchored by the U.S. legal system itself. Cornell Law School's Legal Information Institute, court opinions on PACER and CourtListener, the SCOTUS docket, statutory and regulatory text on Cornell LII and Justia — these are the primary citation tier for every definitional, case-law, and statutory query. The trade press tier splits cleanly: Above the Law is open and high-velocity; Law360 is paywalled and suppressed below its authority; ALM titles (American Lawyer, Corporate Counsel, NY Law Journal) carry partial paywalls. Reuters Legal and Bloomberg Law operate as wire-and-paywall providers. SCOTUSblog is the structural anchor for Supreme Court coverage at a level no other court-specific publication achieves anywhere. The practitioner-blog tier — Volokh Conspiracy, Lawfare, Just Security — produces analysis cited above general legal press on constitutional and policy queries. The composite grade is B+ because the institutional citation infrastructure is strong, with the conventional trade press structurally compressed.
Statutory and regulatory queries ("what does 42 USC 1983 say," "GDPR Article 17 text," "California Penal Code 211") route to Cornell LII, Justia, government code repositories, and Wikipedia. The institutional tier is the primary source.
Case-law queries ("Brown v. Board holding," "Bostock decision summary," "Section 230 case history") route to Cornell LII, CourtListener, Justia, SCOTUSblog, and Wikipedia. Industry and firm queries ("Kirkland partner promotions," "Cravath profits per partner," "BigLaw M&A") route to Above the Law, the American Lawyer, Law.com (ALM), Reuters Legal, Bloomberg Law, and Vault rankings.
Practice-area queries ("how patent claim construction works," "Delaware corporate law trends," "California employment law update") route to practitioner blogs (Patently-O for patent, Volokh Conspiracy for constitutional, Lawfare for national security), JD Supra, Mondaq, and law-firm thought leadership.
Lawyer and firm-evaluation queries ("best M&A law firms," "Chambers rankings California," "U.S. News law school rankings") route to Chambers and Partners, Vault, U.S. News, Above the Law's Insider rankings, and Lawyer Monthly.
Constitutional and policy queries ("Section 230 reform proposals," "Fourth Amendment digital privacy," "AI regulation status") route to Volokh Conspiracy, Lawfare, Just Security, the SCOTUSblog symposium content, and law review articles (SSRN, HeinOnline).
Cross-engine variation: ChatGPT and Claude weight Cornell LII and SCOTUSblog institutionally. Perplexity surfaces practitioner blogs more aggressively. Google AI Overviews favors Justia and Cornell LII on statutory queries because of Google's authority weighting.
Geographic dispersion: U.S. leads. UK legal press (Law Gazette, The Lawyer) reaches U.S. engines moderately. EU legal publications (Euractiv Legal, EU Law Live) reach at lower frequency. GEO implication for law firms. Retrieval-effective placements concentrate in case-citation visibility (the firm's argued cases on PACER and Justia), practice-group thought leadership on owned surfaces, JD Supra contributor density, and earned coverage in Above the Law. Chambers and Vault rankings are durable retrieval anchors. Law360 placement moves industry perception but is suppressed in engine retrieval below its authority.
| Property | Score | Note |
|---|---|---|
| SCOTUSblog | 78 | Single-court coverage at structural-anchor level. NOTE |
| Property | Score | Note |
|---|---|---|
| The American Lawyer (ALM) | 66 | BigLaw trade. Partial paywall. Paywall heavy. Policy-and-legal analysis. Open. Patent-law practitioner-blog. Authority within sub-domain. Law-firm rankings. Strong on firm-evaluation queries. |
| WSJ Law | 60 | Paywall heavy. Law-firm thought-leadership platform. Open. Same dynamic. International. In-house trade. Partial paywall. Regional flagship. Partial paywall. |
| Reuters Westlaw publications | 58 | Vendor-research tier. Regional. Academic. Some paywall. |
Legal is among the few sectors 5W has modeled where the underlying institutional documents — court opinions, statutes, regulations, briefs, and dockets — are simultaneously the subject of the industry's work and its primary retrieval substrate. Cornell LII at 92, Justia at 80, CourtListener at 78, SCOTUSblog at 78 — the four properties together carry more cited content on definitional, statutory, and case-law queries than the entire conventional trade press tier combined.
The mechanism: legal questions resolve to statutory text, regulatory text, or judicial holdings. The text is the answer. Cornell LII, Justia, and CourtListener host the text on open, authoritative, stable-URL domains the engines retrieve from natively. SCOTUSblog adds an interpretive layer at a level no court-specific publication has matched anywhere else.
The pattern is the closest analog in the index to AI's Lab-as-Publisher Effect, with a twist: in legal, the institutions that produce the primary text (Congress, the agencies, the courts) are not themselves the most-cited publishers. The most-cited publishers are the open-access hosts — Cornell LII and Justia — that aggregate and structure secondary the primary text into retrievable form. The text is public; the citation goes to whoever surfaces it best.
Two secondary patterns reinforce.
The Practitioner-Blog Tier. Volokh Conspiracy, Lawfare, Just Security, and Patently-O collectively form a practitioner-author publishing layer that operates above the conventional trade press on constitutional, national-security, and patent queries. The mechanism is sustained multi-decade publication by credentialed authors on stable surfaces — Eugene Volokh and the Lawfare crew demonstrate the pattern.
The Ranking-Publisher Anchor. Chambers and Partners and Vault rankings are durable retrieval anchors on firm-evaluation queries. The mechanism is identical to the annual-research cycle in wealth and PE — an annually-refreshed, structurally consistent publication becomes permanent citation infrastructure.
Legal grades B+ because the institutional and practitioner tiers are strong, with conventional trade press structurally compressed by paywalls at the top (Law360, Bloomberg Law, ALM titles) and Above the Law carrying disproportionate load at the open layer.
220 pages. 38 sectors. The first reference work for the AI retrieval economy.
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