Find court opinions across 25 practice areas: criminal law, employment, constitutional law, civil rights, immigration, IP, and more. AI-summarized cases by topic.
Browse court opinions across 25 practice areas. Every case is enriched with AI-generated plain-English summaries, key holdings, impact scoring, and topic tagging so you can move from a broad practice area into specific binding authority in minutes.
Workplace rights, discrimination, wrongful termination, wage disputes, and employer-employee relationships.
Prosecution and defense of criminal offenses including felonies, misdemeanors, and white-collar crimes.
Interpretation and application of the U.S. Constitution, including fundamental rights and government powers.
Visa applications, deportation, asylum, citizenship, and immigration enforcement.
Patents, trademarks, copyrights, trade secrets, and IP licensing disputes.
Divorce, child custody, adoption, domestic violence, and family relationships.
Environmental regulation, pollution, natural resource management, and climate change litigation.
Discrimination, equal protection, voting rights, police misconduct, and civil liberties.
Contract formation, breach, interpretation, damages, and commercial transactions.
Personal injury, negligence, product liability, defamation, and wrongful death.
Chapter 7, 11, and 13 filings, debt restructuring, and creditor rights.
Medical malpractice, health insurance, HIPAA, FDA regulation, and healthcare policy.
Student rights, school discipline, special education, Title IX, and academic freedom.
Property transactions, landlord-tenant disputes, zoning, and real estate development.
SEC regulation, securities fraud, insider trading, and capital markets.
Monopolies, price-fixing, mergers, and anti-competitive business practices.
Union organizing, collective bargaining, NLRB decisions, and worker protections.
Treaties, international trade, human rights, and cross-border disputes.
Government agency actions, regulatory compliance, and administrative proceedings.
Senior citizen rights, Medicare/Medicaid, guardianship, and estate planning.
UCMJ, courts martial, military justice, veterans rights, and military regulations.
Media rights, talent agreements, content licensing, and entertainment industry disputes.
A "practice area" is the conventional way American lawyers and law firms organize their work — and, by extension, how legal research is organized. Practice areas are not a perfect taxonomy: many real-world disputes cut across several areas at once. A wrongful-termination case may simultaneously implicate employment law (the at-will doctrine and statutory protections), civil rights (Title VII discrimination claims), constitutional law (if a public employer is involved), and contract law (employee handbooks, severance agreements). CaseLawBrief tags every opinion with all the practice areas it touches, so you can find the same case from any of the angles relevant to your research.
Practice areas also reflect how legal doctrine actually develops. Within each area, courts build on prior decisions to refine tests, define elements, and announce new rules. A criminal-procedure researcher reading the latest Fourth Amendment decision needs to understand how it fits into a long line of cases stretching back through Carpenter, Riley, Jones, and beyond. Browsing by practice area lets you trace this evolution rather than seeing decisions as isolated rulings.
Some practice areas are dominated by federal law — patent, copyright, federal criminal law, immigration, antitrust — while others are primarily state-law domains, such as family law, probate, real estate, and most contract and tort claims. Many practice areas (employment, civil rights, environmental law, securities) involve both federal and state elements, with parallel statutes and overlapping court jurisdiction.
CaseLawBrief uses an AI enrichment pipeline that processes every opinion in multiple passes. The first pass extracts core data: parties, judges, court, date, docket number, citations, and the legal topics at issue. Topic classification is informed by the opinion's identified statutes, cited precedents, the procedural posture (motion to dismiss, summary judgment, appeal from a sentence), and the explicit holdings the court announces.
For cases that receive HEAVY-tier enrichment, additional passes generate deep legal-structure analysis — standards of review, legal tests applied, statutory references, dissents and concurrences, and key definitions. These structural signals further refine topic classification. A case that applies the McDonnell Douglas burden-shifting framework, for example, is unambiguously an employment-discrimination matter and is tagged accordingly.
The result is that you can browse any practice area and trust that every case listed is actually about that area, not just superficially mentioning it. You can also navigate cross-dimensionally — for instance, "Ninth Circuit + Employment Law" or "Texas + Constitutional Law" — to find the cases that bind your jurisdiction on a specific topic.
Every court opinion ingested by CaseLawBrief is processed by a multi-pass AI enrichment pipeline that reads the full opinion text and identifies the legal topics at issue. A case can be tagged with multiple topics — for example, a wrongful-termination case might be tagged with both Employment Law and Civil Rights. Topic classification is then refined by structured signals such as the court's named statutes, cited precedents, and procedural posture.
On CaseLawBrief, "practice areas" are the broad professional categories used by lawyers and law firms — Employment Law, Criminal Law, Constitutional Law, and so on. "Topics" are more granular tags that may sit inside a practice area or cut across several. For example, "qualified immunity" is a topic that appears in both Constitutional Law and Civil Rights practice areas. Use Practice Areas to browse broadly and Topics for sharper research.
Court opinions often resolve more than one legal question. A criminal appeal might decide both a Fourth Amendment search-and-seizure issue and a sentencing question — those are two separate topics. Multi-topic tagging makes it easier to find a case from any of the relevant research angles, and reflects how appellate opinions actually work.
CaseLawBrief assigns each case a 0–100 impact score based on factors such as citation count, the court's significance designation, the breadth of the holding, and how many subsequent decisions reference the case. Cases with high impact scores or designated as "landmark" or "significant" are surfaced on landmark pages organized by practice area.
Yes. When you browse a topic, you will see relevant cases from every level — SCOTUS, U.S. Courts of Appeals, state supreme courts, and state intermediate appellate courts. Each case page shows the issuing court so you can quickly assess precedential weight in your jurisdiction.
Open the topic or practice-area page you care about. Cases are listed in reverse chronological order, so the most recent decisions appear first. Use the impact score to prioritize cases likely to influence future law, and follow the related-cases links on each opinion to trace doctrinal lineage.
CaseLawBrief topic tags are useful for orientation and research, but you should always read the underlying opinion and verify citations through an authoritative reporter or paid legal research service before relying on a case in a brief or motion. AI classifications can occasionally be incomplete or imprecise, especially for novel doctrinal areas.