Senn v. Tile Layers Protective Union
Headline: Court upheld Wisconsin law allowing peaceful picketing and publicity and barred injunctions, letting unions publicly pressure non‑union small contractors and their customers to influence shop unionization.
Holding: The Court ruled that Wisconsin's labor-code provisions permitting peaceful picketing, truthful publicity, and barring injunctions do not violate the Fourteenth Amendment when applied to unions' peaceful efforts to induce a contractor to unionize.
- Allows unions to use peaceful picketing and truthful publicity to influence customers.
- Makes it harder for non‑union small contractors to avoid public pressure to unionize.
- Limits courts' power to issue injunctions against such peaceful labor publicity.
Summary
Background
A small tile contractor in Milwaukee refused to sign a union contract because it would have stopped him from working with his own hands. Local tile unions responded by peacefully picketing his home and carrying banners saying he was “unfair” and urging customers to hire union tile layers. The contractor sued for an injunction to stop the picketing and publicity. Wisconsin trial and supreme courts found the picketing peaceful and lawful under a state labor code that permits publicity and forbids injunctions against such conduct.
Reasoning
The U.S. Supreme Court, speaking through Justice Brandeis, asked whether applying the Wisconsin law in this case violated the Fourteenth Amendment’s protection of liberty or equal treatment. The Court said peaceful picketing and truthful publicity are lawful means of persuasion and speech. The state allowed those methods so long as they involved no violence, fraud, or misrepresentation. Because the unions’ banners and patrols were peaceful and did not falsely state facts, the Court held the statute’s application did not unlawfully take the contractor’s liberty or property or deny equal protection.
Real world impact
The ruling means that, under similar facts, unions may use peaceful picketing and truthful publicity to persuade the public and customers, and courts cannot automatically enjoin that conduct. Small non‑union contractors may face public pressure that can divert work to union shops. The decision left questions of state policy and fairness to legislatures and voters rather than the federal Constitution.
Dissents or concurrances
A dissent argued the picketing effectively deprived the contractor of his right to work and that the signs misrepresented facts, saying the statute as applied was arbitrary and violated due process and equal protection.
Opinions in this case:
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