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Casey Mattox

Vice President, Legal and Judicial Strategy

Casey Mattox is vice president for legal and judicial strategy at Americans for Prosperity, where he advocates a legal system that respects the rule of law and protects individual liberty.

For more than fifteen years before joining Americans for Prosperity, Casey’s legal career focused on defending the First Amendment rights of students, faculty, families, health care workers, and religious organizations. He has litigated in 35 states and also testified three times before congressional committees.

Casey has a J.D. from Boston College School of Law and a B.A. in Government and History from the University of Virginia.

You can find him on Twitter at @CaseyMattox_.

Social media accounts are personal accounts controlled by their respective owners, and material posted therein does not necessarily represent the views or policies of Americans for Prosperity.

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Featured Publications

Summer news round-up: The brave WWII heroes, the Tiananmen legacy, and SCOTUS decisions

Jun 13, 2024 by Casey Mattox

Memorial Day reflections: What we owe to those who "gave their lives that that nation might live"

May 30, 2024 by Casey Mattox

“Without government, who would arrest your pastor for letting people sleep in his church during a snowstorm?”

Apr 19, 2024 by Casey Mattox

Is the Biden Admin censoring books? And other civil liberties news from across the country

Feb 8, 2024 by Casey Mattox

Three astonishing details about MLK’s historic "Letter from Birmingham Jail"

Jan 11, 2024 by Casey Mattox

'A Plea for Free Speech in Boston': A lesson from history

Dec 22, 2023 by Casey Mattox

Celebrate freedom with this gift guide: Gift ideas for every Constitution-loving American!

Dec 8, 2023 by Casey Mattox

What Lincoln’s Proclamation means for Americans’ Thanksgiving today

Nov 22, 2023 by Casey Mattox

News round-up: Biden’s executive order on Artificial Intelligence, European Union online censorship, and more

Nov 13, 2023 by Casey Mattox

Battle over speech rights and cancel culture in the wake of war

Oct 26, 2023 by Casey Mattox

A guide for the upcoming Supreme Court term: What you need to know about your constitutional freedoms

Oct 13, 2023 by Casey Mattox

Constitution Day is almost here - 3 tips to ensure you’re ready to celebrate one of our country’s founding documents

Sep 14, 2023 by Casey Mattox

How an argument in Colorado over the Gadsden flag highlights students' free speech rights

Aug 31, 2023 by Casey Mattox

How the U.S. is better than Europe on free speech, and other free speech news

Aug 17, 2023 by Casey Mattox

What does the rise of Artificial Intelligence mean for how Americans learn, heal, and drive?

Aug 3, 2023 by Casey Mattox

Another big year for free speech at the Supreme Court

Jul 20, 2023 by Casey Mattox

"A Republic, if you can keep it": Can we? Research finds younger gen losing faith in America

Jul 7, 2023 by Casey Mattox

Professional athletes have the right to express their opinion, just like every other American

Jun 22, 2023 by Casey Mattox

How to curb the culture wars

Jun 8, 2023 by Casey Mattox

Franks, fries, freedom, and the First Amendment: A Memorial Day free speech round-up

May 25, 2023 by Casey Mattox

Federal agencies are on notice: The Supreme Court may soon reel in bureaucratic overreach

May 11, 2023 by Casey Mattox

The Babylon Bee tells California to buzz off, and other free speech news

Apr 27, 2023 by Casey Mattox

Gavin Newsom shouldn't get to decide which businesses survive, and neither should Congress

Apr 12, 2023 by Casey Mattox

It wasn't luck that gave the U.S. the best free speech protections in the world: A free speech news round-up

Mar 29, 2023 by Casey Mattox

From free throws to free speech: A March bracket based on defense of the First Amendment

Mar 13, 2023 by Casey Mattox

The vital role of free speech in shaping our cultural landscape

Mar 2, 2023 by Casey Mattox

The First Amendment: Your key to tackling misinformation

Feb 16, 2023 by Casey Mattox

Here’s what you need to know about the Twitter Files

Feb 2, 2023 by Casey Mattox

‘Let freedom ring’: Dr. Martin Luther King, Jr., and the power of free speech

Jan 19, 2023 by Casey Mattox

The state of free speech in 2022 and key resolutions for the new year

Jan 6, 2023 by Casey Mattox

How to mix politics with your pie this holiday: 4 tips for respectful conversation

Dec 22, 2022 by Casey Mattox

How a case about a Colorado website creator may affect your First Amendment rights

Dec 8, 2022 by Casey Mattox

303 Creative Will Affect More Than Wedding Vendors

Nov 30, 2022 by Casey Mattox

Democracy doesn't end with an election

Nov 10, 2022 by Casey Mattox

You can choose not to offend OR be offended this Halloween

Oct 27, 2022 by Casey Mattox

Your free speech is on the docket during this Supreme Court term

Oct 14, 2022 by Casey Mattox

See where your college landed in this year's Free Speech Rankings

Sep 30, 2022 by Casey Mattox

Why everyone should (still) be celebrating Constitution Day

Sep 22, 2022 by Casey Mattox

Does the Constitution still work?

Sep 16, 2022 by Casey Mattox

A gunman tried to kill me and others because of our religious and political views

Sep 3, 2022 by Casey Mattox

Is free speech on your back-to-school list? This Supreme Court decision says it should be.

Aug 21, 2022 by Casey Mattox

What on earth does Harry Potter have to do with campus free speech?

Aug 3, 2022 by Casey Mattox

AFP continues to work alongside anyone who defends the Constitution

Jul 21, 2022 by Casey Mattox

If you want to protect protest rights, you've got to condemn violence

Jul 7, 2022 by Casey Mattox

A congressional letter of intimidation: Pro-abortion pressure on Big Tech reminds us why government can’t be trusted to police the internet

Jun 28, 2022 by Casey Mattox

Fighting fire with FIRE

Jun 22, 2022 by Casey Mattox

How one football coach's prayer may actually protect free speech

Jun 8, 2022 by Casey Mattox

A quick roundup of recent free speech stories in the news

May 25, 2022 by Casey Mattox

Has the government created a new weapon against free speech?

May 11, 2022 by Casey Mattox

Americans feel less free, don’t trust leaders post-COVID pandemic: poll

Mar 12, 2022 by Casey Mattox

One in four Americans fear "cancel culture" could risk their job or education, new study finds

Mar 3, 2022 by Casey Mattox

Free speech's Golden Rule: Tweet others as you wish to be tweeted

Nov 3, 2021 by Casey Mattox

What campus speech and qualified immunity have to do with Constitution Day

Sep 17, 2021 by Casey Mattox

How campuses can prepare for the return of student activism this fall

Aug 25, 2021 by Casey Mattox

Is there a better way for government to deal with misinformation online?

Jul 27, 2021 by Casey Mattox

Who’s Really To Blame For Misinformation Online?

Mar 30, 2021 by Casey Mattox

Fall Tradition Says We Should Have a Halloween Free-Speech Controversy — Let’s Not

Oct 10, 2020 by Casey Mattox

The Supreme Court Needs a Justice Who Puts the Constitution First

Sep 21, 2020 by Casey Mattox

Five steps to protect public health, regain trust and ensure liberty

May 13, 2020 by Casey Mattox

[The] Breakup Speech: Can Antitrust Fix the Relationship Between Platforms and Free Speech Values?

Mar 5, 2020 by Casey Mattox

Defending Free Speech on Campus Means Defending Student Journalists, Too

Feb 4, 2020 by Casey Mattox

Court-Packing: A Blow Against the Rule of Law

Mar 28, 2019 by Casey Mattox

Three New Supreme Court Decisions Protect Free Speech on Campus

Aug 14, 2018 by Casey Mattox

Supreme Court Gives New Life to North Carolina ‘Choose Life’ License Plates

Jul 2, 2015 by Casey Mattox