---
title: "Wickard v. Filburn — Definition & Meaning | Model Diplomat"
description: "Wickard v. Filburn (1942) is a Supreme Court case allowing Congress to regulate local activities affecting interstate commerce, impacting federal authority."
url: "https://modeldiplomat.com/learn/glossary/wickard-v-filburn"
---

[New](https://modeldiplomat.com/)

#

Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- Wickard v.
- Filburn (1942) is the U.
- What is the aggregation principle established in Wickard?
- Which constitutional provision did Wickard interpret?
- How did later cases limit or reaffirm Wickard?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

Go beyond the definition

## Research Wickard v. Filburn like a delegate

Model Diplomat's AI drafts position papers, speeches, and country research with real sources — built for MUN and politics students.

## Research it like a delegate

Research on modeldiplomat.com

## Ask a follow-up about Wickard v. Filburn

Open a cited briefing in Model Diplomat search — timelines, positions, and sources you can use in committee or exam answers.

[Start research on Wickard v. Filburn](https://modeldiplomat.com/search?q=Explain%20Wickard%20v.%20Filburn%20%E2%80%94%20key%20dates%2C%20actors%2C%20positions%2C%20and%20sources)

Example

In 2005, the Supreme Court invoked Wickard v. Filburn in Gonzales v. Raich to uphold federal prohibition of Angel Raich's homegrown medical marijuana, reasoning that aggregate home cultivation substantially affects the interstate drug market.

Keep learning

## Go deeper than the definition

Lessons

[Federalism Intergovernmental Relations](https://modeldiplomat.com/learn/lessons/fsot-us-government-federalism-intergovernmental-relations)[Landmark Supreme Court Cases Every Fso Should Know](https://modeldiplomat.com/learn/lessons/fsot-us-government-landmark-supreme-court-cases-every-fso-should-know)

Courses

[Fsot Us Government](https://modeldiplomat.com/learn/courses/fsot-us-government)

[Explore all Civil Service & Diplomatic Exams lessons](https://modeldiplomat.com/learn/civil-services)[Test yourself with a quiz](https://modeldiplomat.com/learn/glossary/quiz/civil-services)

## Take Wickard v. Filburn beyond the glossary

Ask the AI research engine built for diplomacy — get briefings, position papers, and speeches with sources you can cite in committee.