The best law websites for legal research split along the kind of material you need: Congress.gov, GovInfo, and eCFR for federal statutes and regulations; state legislature sites and Municode or American Legal Publishing for state and local codes; Google Scholar, Justia, CourtListener, and the Caselaw Access Project for free court opinions; PACER for federal case filings; Cornell’s Wex for plain-English definitions; and Westlaw, LexisNexis, or Bloomberg Law when you need to confirm a case is still good law. Most of those are free. The paid ones are often available at no cost through a public law library.
Where to Read Statutes and Regulations
Congress.gov, run by the Library of Congress, is the official site for federal legislative information.1Congress.gov. Congress.gov | Library of Congress You can follow a bill from introduction through committee, floor votes, and signature. Once a bill becomes law, it eventually gets folded into the United States Code, which organizes permanent federal statutes by subject. The Government Publishing Office hosts the full Code on GovInfo, searchable by title and section.2Govinfo. United States Code
For federal regulations, use the Electronic Code of Federal Regulations at eCFR.gov. It’s continuously updated and searchable, and it’s what most attorneys use day to day, though it carries a disclaimer that it is not the official legal edition of the CFR.3eCFR. eCFR Home The official print edition from GPO remains the legally authoritative text when precision matters.
Every state legislature maintains its own site with searchable statutes, session laws, and legislative history. Quality varies a lot. The thing to watch for is whether you’re reading the current codified statute or an older session law that may have been amended. Most state sites separate the two clearly.
City and county ordinances live somewhere else. Municode Library and American Legal Publishing’s Code Library host municipal codes for thousands of jurisdictions and are often the only place a smaller city’s full code is available online.4American Legal Publishing. Code Library Zoning, noise, licensing, and local permit rules sit here, not in state statutes.
Where to Find Court Opinions for Free
Statutes tell you what the law says. Court opinions tell you what it means when a judge applies it, and several free tools let you search those opinions without a subscription.
Google Scholar
On the Google Scholar home page, select the “Case law” radio button and you can run full-text searches across federal and state court opinions.5Library of Congress. Google Scholar – How To Find Free Case Law Online The “Select courts” link lets you narrow by specific federal circuits or individual states. It’s the fastest way to find cases on a legal issue when you don’t already have a case name.
Justia
Justia hosts one of the largest free case law collections, organized by court and jurisdiction. Federal coverage includes the Supreme Court back to 1759, all circuit courts of appeals, district courts, and specialized courts such as the Tax Court and Court of Federal Claims. State opinions are organized by state.6Justia. U.S. Case Law, Court Opinions and Decisions Each case comes with its official citation, which you’ll need if you plan to reference the decision in a filing.
CourtListener and the RECAP Archive
CourtListener, run by the nonprofit Free Law Project, is a searchable archive of court opinions, oral arguments, judicial financial records, and federal filings.7Free Law Project. CourtListener Research and Awareness Website Its RECAP Archive collects federal court documents that users have pulled from PACER and shared back through a browser extension, making them freely available to everyone else.8CourtListener. RECAP Archive Coverage Before you pay for a document on PACER, check whether someone has already uploaded it here.
Caselaw Access Project
Harvard Law School’s Library Innovation Lab digitized more than 6.5 million U.S. court decisions and made them free through the Caselaw Access Project.9Library Innovation Lab. Caselaw Access Project The coverage reaches state and federal courts and is especially useful for older decisions that don’t show up on Google Scholar or Justia.
Where to Pull Federal Court Filings
If you want the actual filings in a federal case rather than the final opinion, you’ll use PACER. The PACER Case Locator is a national index across federal district, bankruptcy, and appellate courts, and you can search by party name, case number, or date range to find out whether someone is involved in federal litigation.10PACER. PACER Case Locator New cases usually appear within 24 hours.
PACER charges $0.10 per page, capped at $3.00 per document, with no cap on search results or transcripts.11PACER. PACER Pricing – How Fees Work If your account racks up $30 or less in a calendar quarter, the fees are waived.12PACER. Can I Get a PACER Fee Exemption for My Research That covers quite a bit of casual research, so most light users never pay.
Where to Make Sense of What You Read
Raw statutes and opinions are hard. A few free reference sites help you orient before you dig in.
Cornell Law School’s Legal Information Institute hosts Wex, a free legal dictionary and encyclopedia with plain-English entries on thousands of terms, from adverse possession to writ of certiorari, each linked to the underlying statutes.13Legal Information Institute. Wex Nolo and similar sites offer topic overviews on contract disputes, landlord-tenant law, intellectual property, and other common areas. These aren’t substitutes for the law itself, but they help you figure out what to look up.
Westlaw, LexisNexis, and Bloomberg Law are what lawyers actually use. The feature that justifies the cost is case validation. Shepard’s Citations on LexisNexis uses colored indicators to flag when a case has been overruled, reversed, or criticized: red for express overruling or disapproval by a citing court, yellow for possible negative treatment such as a court distinguishing the case on its facts or criticizing its reasoning.14LexisNexis. Shepards Signal Indicators and Analysis Phrases Westlaw’s KeyCite works the same way. Without a validation tool, you risk relying on a case a later court gutted. Subscriptions typically run from several hundred to several thousand dollars a year.
How to Get Paid Databases Without Paying
You often don’t have to buy a subscription. Many public law libraries, courthouse libraries, and law school libraries offer on-site access to Westlaw and LexisNexis for free. Some public library systems extend remote access through a library card. Every state has at least one publicly accessible law library, usually at the state courthouse or a law school.
If you’re an attorney, your state bar membership includes free access to Fastcase, which covers case law, statutes, and regulations and works well for routine research.
Where to Track Proposed Federal Rules
Before a federal regulation takes effect, the agency has to publish it as a proposed rule in the Federal Register and take public comment.15Federal Register. Federal Register Home If a regulation could affect your business, profession, or legal situation, the comment period is your window to push back.
Regulations.gov is the centralized portal for reading proposed rules, viewing other people’s comments, and filing your own.16Regulations.gov. Regulations.gov Comments submitted through the portal become part of the official rulemaking record, and the agency has to address substantive objections before finalizing the rule. Comments sent through other channels may never make it into the docket.17Federal Register. Commenting on Federal Register Documents
When You Need to File, Not Just Research
Research sites help you understand the law. Filing something is a different task, and most federal and state courts maintain self-help sections with downloadable forms, filing instructions, fee schedules, and local formatting rules.
If you can’t afford a lawyer, the Legal Services Corporation funds legal aid programs across the country, and its site lets you search by location for one that handles civil matters for low-income individuals.18Legal Services Corporation. I Need Legal Help LawHelp.org is another route to free forms and state-specific information. Bar associations run lawyer referral services where an initial consultation typically costs a modest flat fee.
Federal filing fees can be waived if you can’t afford them. Under 28 U.S.C. ยง 1915, you file an “in forma pauperis” application with an affidavit laying out your assets and stating you’re unable to pay.19Office of the Law Revision Counsel. United States Code Title 28 – Section 1915 The statute specifically bars the court from blocking a filing solely because the person has no assets. State courts have their own fee waiver procedures with varying forms and standards.
A Warning About AI Research Tools
ChatGPT, Claude, and specialized legal AI products can summarize concepts, suggest search terms, and point you toward relevant doctrines faster than starting cold. They also fabricate case citations that look entirely real.
The National Center for State Courts has warned that large language models produce text that “sounds right” rather than text that “is right,” generating fake case names, invented statutes, and made-up holdings that read as authentic.20National Center for State Courts. A Legal Practitioners Guide to AI and Hallucinations Federal courts have sanctioned attorneys who filed AI-generated briefs containing fabricated citations, with penalties running from $2,500 to $30,000. The 6th Circuit dismissed one case entirely after finding more than two dozen fabricated citations, calling the misconduct “pervasive.”
The working rule is simple. Never cite anything an AI tool produced without pulling the actual case or statute up on Google Scholar, Justia, CourtListener, or an equivalent authoritative source. Use AI to orient yourself and generate leads; do the research itself on the databases above. If you’re putting a citation in front of a court, you need to see it with your own eyes first.