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Labor Law

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Labor law governs the collective relationship between groups of workers and their employers. While individual employment law focuses on one worker's rights, labor law focuses on workers acting together, most often through unions.

Common matters include forming or joining a union, collective bargaining over wages and working conditions, the negotiation and enforcement of collective bargaining agreements, grievances and arbitration, and disputes over strikes, picketing, or other organized activity. It also addresses the legal boundaries of how employers and unions may treat one another during these processes.

Key concepts a non-lawyer should understand include the right of many workers to organize and bargain collectively, the idea of a bargaining unit that a union represents, and the role of a contract negotiated between a union and an employer that sets shared terms for a workplace. Labor law also recognizes certain practices by either employers or unions as unfair, and provides processes to address them.

People typically encounter labor law when they are involved in a union organizing effort, when a workplace contract is being negotiated or appears to have been violated, or when a dispute arises over collective activity. Workers, unions, and employers often seek legal guidance to understand their rights and obligations within this specialized framework.

Share of classified federal decisions

189019001920194019601980200020075.8%0
share of classified federal decisions

Of the federal decisions we've classified by topic, the share each year that fall under this practice area — so a persistently high line means this is a large, enduring share of federal litigation. This is not a share of all litigation: only part of the corpus is topic-classified (unevenly across eras), and an opinion can belong to several areas, so areas need not sum to 100%. State cases are largely unclassified, so this is federal only. The dip in the last several years is a data-coverage gap — our corpus holds fewer opinions from the most recent years — not a real decline.

Circuit splits in labor

Legal questions the federal courts of appeals are divided on — each links to the cases creating the split.

From the OpenJurist Bookshop

View all Labor Law books →

Related practice areas

Employment Discrimination LawSexual Harassment LawWage and Hour LawWorkers Compensation LawWrongful Termination LawRailroad Worker Injury LawEmployee Benefits and ERISA LawEmployment

Primary law

The governing U.S. Code, statutes and founding documents for Labor Law.

Key definitions

Defined terms that recur in labor law — each links to its dictionary entry.

Collective BargainingLabor UnionUnionUnfair Labor PracticeAt-Will EmploymentArbitrationStrikeLockoutPicketingSeniorityOvertimeRetaliation

Landmark cases (7)

Landmark cases are the Supreme Court decisions that defined or reshaped Labor Law — establishing the controlling principles courts still apply. Current law leads; where a decision overruled an earlier landmark, the superseded case is shown beneath it.

Key cases of the U.S. Courts of Appeals

The most-cited decisions applying U.S. Code Title 29 (Labor) — beyond the landmark cases above.

Frequently asked questions

Labor Law by state

Courts, law libraries and state-specific resources. State law governs much of this area, so deadlines and rules vary by state.

Further reading

  • Principal Emergency Response and Preparedness Requirements and Guidance - Paperback
    Principal Emergency Response and Preparedness Requirements and Guidance - Paperback
    Occupational Safety and Administration
  • Human Rights at Work: Reimagining Employment Law - Paperback
    Human Rights at Work: Reimagining Employment Law - Paperback
    Alan Bogg
  • The Case to Reclaim our Nationwide Privileges and Immunities: Helping to Solve the Mystery of Their Disappearance - Hardcover
    The Case to Reclaim our Nationwide Privileges and Immunities: Helping to Solve the Mystery of Their Disappearance - Hardcover
    Brian S. Messenger
  • International and Comparative Labour Law: Current Challenges - Paperback
    International and Comparative Labour Law: Current Challenges - Paperback
    Arturo Bronstein
  • The Hoffa Wars: The Rise and Fall of Jimmy Hoffa - Paperback
    The Hoffa Wars: The Rise and Fall of Jimmy Hoffa - Paperback
    Dan E. Moldea
  • Labour and Employment Compliance in Belgium - Paperback
    Labour and Employment Compliance in Belgium - Paperback
    Chris Van Olmen
  • An Unfinished Revolution: Karl Marx and Abraham Lincoln - Paperback
    An Unfinished Revolution: Karl Marx and Abraham Lincoln - Paperback
  • Nail Gun Safety: A Guide for Construction Contractors - Paperback
    Nail Gun Safety: A Guide for Construction Contractors - Paperback
    Occupational Safety and Administration
  • Labour and Employment Compliance in Israel - Paperback
    Labour and Employment Compliance in Israel - Paperback
    Pnina Broder-Manor
  • Employee Rights in Maryland: A Concise Guide to Knowing and Protecting Your Rights - Paperback
    Employee Rights in Maryland: A Concise Guide to Knowing and Protecting Your Rights - Paperback
    Gregg H. Mosson
  • Legal and Regulatory Issues in Human Resources Management - Paperback
    Legal and Regulatory Issues in Human Resources Management - Paperback
  • The Trial of Gulian C. Verplank, Hugh Maxwell, and Others, for a Riot, in Trinity Church, at the Commencement of Columbia College, in August 1811 - Paperback
    The Trial of Gulian C. Verplank, Hugh Maxwell, and Others, for a Riot, in Trinity Church, at the Commencement of Columbia College, in August 1811 - Paperback
    Joel Parker
  • Protecting the Future of Work: New Institutional Arrangements for Safeguarding Labour Standards - Hardcover
    Protecting the Future of Work: New Institutional Arrangements for Safeguarding Labour Standards - Hardcover
  • H-1B Specialty Occupation Visa: Having a college degree and getting the most popular work permit - the H-1B - Paperback
    H-1B Specialty Occupation Visa: Having a college degree and getting the most popular work permit - the H-1B - Paperback
    Brian D. Lerner
  • Transnational Legal Activism in Global Value Chains: The Ali Enterprises Factory Fire and the Struggle for Justice - Hardcover
    Transnational Legal Activism in Global Value Chains: The Ali Enterprises Factory Fire and the Struggle for Justice - Hardcover
  • Underground Construction (Tunneling) - Paperback
    Underground Construction (Tunneling) - Paperback
    Occupational Safety and Administration
  • Labour and Employment Compliance in Saudi Arabia - Paperback
    Labour and Employment Compliance in Saudi Arabia - Paperback
    Sara Khoja
  • Methylene Chloride - Paperback
    Methylene Chloride - Paperback
    Occupational Safety and Administration
  • U.S. V. Darby Lumber: The Triumph of Fair Labor Standards - Paperback
    U.S. V. Darby Lumber: The Triumph of Fair Labor Standards - Paperback
    John A. Fliter
  • Introduction to Employment Law: Fundamentals for HR and Business Students - Paperback
    Introduction to Employment Law: Fundamentals for HR and Business Students - Paperback
    Christopher See
  • Code of Federal Regulations, Title 29 Labor OSHA 1910.1000-End, Revised as of July 1, 2024 - Paperback
    Code of Federal Regulations, Title 29 Labor OSHA 1910.1000-End, Revised as of July 1, 2024 - Paperback
  • Open Shop Construction - Hardcover
    Open Shop Construction - Hardcover
    Herbert R. Northrup
  • Restraining Competition by Employees - A Practical Guide to Restrictive Covenants, Injunctions and Other Remedies - Paperback
    Restraining Competition by Employees - A Practical Guide to Restrictive Covenants, Injunctions and Other Remedies - Paperback
    Peter Linstead
  • Fire Well - How To Fire Staff So They Thank You - Paperback
    Fire Well - How To Fire Staff So They Thank You - Paperback
    Sue Ingram

This overview is general legal information, not legal advice, and does not create an attorney–client relationship. Laws vary by state and change over time — consult a licensed attorney about your situation.