LexNav Challenge IndexIRS §280ETRACKEDEPA Clean Air RuleMONITOREDSEC Rule 19b-4LITIGATEDFDA Title 21TRACKEDCFPB Rule 1033MONITORED
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LexNav
Built on Laurt Core — official primary law

Navigate Any Regulation.
Find Every Path — and Challenge the Rule.

Describe your client's matter. LexNav maps every viable legal path — ranked by cost, time, risk, and success — and builds the argument to challenge a regulation when it stands between your client and the goal. Every citation drawn from Laurt Core, the official primary-source record, traceable to the original text.

Cited to official primary lawTraceable to primary sourcesSOC 2 Type II in progress
Docket No. FDA-2025-N-1294Illustrative

Ranked Legal Paths

Statutory Overreach

Precedent Anchored

Strong

Procedural Defect

Precedent Conflict

Contested

Foreclosed Option

Chevron deference overruled

Key Citation: Loper Bright Enterprises v. RaimondoView detail

Challenge Engine

Adversarial Arena

Simulating the regulatory arguments and precedents on your path.

These are examples — the Challenge Engine works on any regulation, across every legal domain.

Drafter (Inductive Argument)

The agency exceeded its statutory authority — its reading of the statute is owed no deference.

Verified ruling

Leading precedent:

Loper Bright Enterprises v. Raimondo, 603 U.S. 369 (2024)

The Supreme Court overruled Chevron: under the APA, courts exercise independent judgment on whether an agency acted within its statutory authority.

Adversary (Precedent Counter)

The agency invokes its technical expertise and Congress's implied delegation to fill statutory gaps.

One platform. Four ways to win.

The Challenge Engine is the edge — Path Finder, Document Drafter, and Monitoring keep the work moving.

Challenge Engine

Adversarial case-law research — recall precedent weapons and pressure-test how to challenge a regulation.

Path Finder

Every viable compliance path through a regulation, ranked by constraint, cost, and risk.

Document Drafter

First-draft petitions and compliance documents, grounded in the cited authority.

Monitoring

Alerts the moment a rule your saved path depends on changes — so a position never goes stale.

Solutions by Industry

Regulatory Sector Index — challenge viability rated by industry.

Every practice area

Covering the cross-border, multi-domain matters where the cost of the wrong path is highest.

ImmigrationTrade & CustomsStablecoin PaymentsData PrivacySecuritiesBanking & LendingEmploymentAntitrustEnvironmentalHealthcareTaxIntellectual PropertyReal EstateEnergyGov. ContractsExport ControlsSanctions & OFACCorporate LawAdministrative LawCross-Border PlanningAsset ProtectionInsuranceWealth Planning
Built on Laurt Core — official primary law

Why legal and compliance teams bring their hardest matters to LexNav.

The matters that grow a practice are the cross-border, multi-domain ones most tools cannot touch. LexNav lets your team take them on: map the path, build the challenge, and stand behind every citation with the official record.

Challenge the rule, not just cite it

When an agency denies or sits on a decision, LexNav builds the challenge — the APA claim, the mandamus, the appeal — each backed by the official authority that carries it. Take on and win the cases your team would otherwise refer out.

One matter, every domain

A single cross-border matter spans immigration, tax, digital assets, and corporate law. LexNav reasons across all of them together, not one silo at a time.

Verifiable, end to end

Every path and argument cites the official primary text, traceable to source and anchored on-chain so opposing counsel or a court can confirm it independently. Not a retrieval summary.

Every output links to verified primary law

Source verified

U.S. Code

Official statutes — OLRC

Source verified

Code of Federal Regulations

Agency rules + Federal Register

Source verified

Federal case law

SCOTUS · Courts of Appeals · Tax Court · BIA

Bring us your hardest matter.

LexNav is built for the cross-border, multi-domain matters that legal and compliance teams take on to grow. See it run on a real matter — book a walkthrough with our team.