Explore 26 court opinions on Federal Preemption. AI-powered plain English summaries, key holdings, and legal analysis.
26 recent cases analyzed in this topic area.
Court affirms dismissal of claims against Wells Fargo's overdraft program
Y.People v. Wells Fargo Co., decided by California Court of Appeal on April 9, 2026, resulted in a defendant win outcome. The plaintiff, Y.People, sued Wells Fargo for alleged violations of California...
State 'Ban the Box' Law's Anti-Retaliation Provision Upheld Against Federal Challenge
Chiles v. Salazar, decided by Supreme Court of the United States on March 31, 2026, resulted in a defendant win outcome. The Supreme Court considered whether a state's "no-retaliation" provision in it...
Court Affirms Dismissal of Prisoner's Access to Courts Claim
Eric Owens v. Nicole L. Johnson, decided by Texas Court of Appeals on January 29, 2026, resulted in a defendant win outcome. The plaintiff, Eric Owens, sued the defendant, Nicole L. Johnson, for alleg...
State law on firearm possession upheld against federal preemption challenge
This case involves a dispute over whether the state of Washington could prosecute an individual, Lee, for violating a state law that prohibited the possession of certain types of firearms. Lee argued ...
SCOTUS Upholds ICWA Supremacy Over State 'Best Interests' in Adoptions
Case v. Montana, decided by Supreme Court of the United States on January 14, 2026, resulted in a plaintiff win outcome. The Supreme Court reviewed a Montana Supreme Court decision that allowed a stat...
NYC "Ban the Box" Law Upheld Against Employer Challenges
Smith v. City of New York, decided by New York Court of Appeals on December 18, 2025, resulted in a defendant win outcome. This case concerns a challenge to the City of New York's "ban the box" law, w...
NY False Claims Act suit against Trump dismissed based on prior federal settlement
New York v. Trump, decided by Second Circuit on November 6, 2025, resulted in a defendant win outcome. The Second Circuit affirmed the dismissal of a lawsuit brought by New York State against Donald T...
Fourth Circuit Affirms Dismissal of RICO Claims Against Drug Distributor
Cabell County Commission v. Amerisourcebergen Drug Corporation, decided by Fourth Circuit on October 28, 2025, resulted in a defendant win outcome. The Fourth Circuit affirmed the district court's dis...
Cannabis retailer fails to block state enforcement of drug laws
Green Room v. State of Wyoming, decided by Tenth Circuit on October 27, 2025, resulted in a defendant win outcome. The Tenth Circuit affirmed the district court's denial of a preliminary injunction so...
Appeals court allows Rhode Island to sue Trump over rally security costs
State of Rhode Island v. Trump, decided by First Circuit on September 11, 2025, resulted in a plaintiff win outcome. The First Circuit Court of Appeals affirmed the District Court's denial of a motion...
Court Affirms Summary Judgment for County in Takings Case
Rockwood Auto Parts, Inc. v. Monroe Cnty., Mich., decided by Sixth Circuit on September 10, 2025, resulted in a defendant win outcome. The Sixth Circuit affirmed the district court's grant of summary ...
TSA can deny Hazmat endorsement based on credible domestic dispute report
Grand Trunk Corporation v. TSA, decided by Seventh Circuit on August 21, 2025, resulted in a defendant win outcome. The Seventh Circuit affirmed the district court's grant of summary judgment to the T...
Eleventh Circuit Upholds AG's NEPA Safe Harbor Interpretation
Florida Commissioner of Agriculture v. Attorney General of the United States, decided by Eleventh Circuit on August 20, 2025, resulted in a defendant win outcome. The Eleventh Circuit reviewed the Flo...
South Dakota's E-Verify law preempted by federal immigration law
Coalition for Humane Immigrant Rights v. Kristi Noem, in her official capacity as Secretary of Homeland Security, decided by D.C. Circuit on August 18, 2025, resulted in a plaintiff win outcome. The C...
Second Circuit Upholds Florida's Ban on Transporting Undocumented Immigrants
Hernandez Flores v. Bondi, decided by Second Circuit on August 14, 2025, resulted in a defendant win outcome. The Second Circuit affirmed the district court's denial of a preliminary injunction sought...
Colorado Supreme Court: Intoxication Doesn't Automatically Invalidate Confession
Jeffery David King v. The People of the State of Colorado, decided by Colorado Supreme Court on August 4, 2025, resulted in a defendant win outcome. The Colorado Supreme Court considered whether a def...
Eighth Circuit: Immigration advocacy group lacks standing to challenge state law
Refugee and Immigrant Center for Education and Le v. Kristi Noem, decided by D.C. Circuit on August 1, 2025, resulted in a defendant win outcome. The Refugee and Immigrant Center for Education and Leg...
Third Circuit: P320 design claims preempted by PLCAA
Keith Slatowski v. Sig Sauer Inc, decided by Third Circuit on August 1, 2025, resulted in a defendant win outcome. The Third Circuit affirmed the dismissal of a lawsuit brought by Keith Slatowski agai...
Eighth Circuit Upholds Minnesota's Ban on Feeding Wild Deer
MN Deer Farmers Assoc. v. Sarah Strommen, decided by Eighth Circuit on July 28, 2025, resulted in a defendant win outcome. The Eighth Circuit affirmed the district court's dismissal of a lawsuit broug...
SCOTUS: Employee's discrimination and retaliation claims against Planned Parenthood can proceed.
Medina v. Planned Parenthood South Atlantic, decided by Supreme Court of the United States on June 26, 2025, resulted in a plaintiff win outcome. The Supreme Court reviewed a case where a former emplo...
State charter school authority doesn't preempt federal ADA law
OK Charter School Board v. Drummond, decided by Supreme Court of the United States on May 22, 2025, resulted in a affirmed outcome. The Supreme Court affirmed the Tenth Circuit's decision, holding tha...
Eleventh Circuit Upholds Florida's Anti-Riot Law Against Constitutional Challenges
HM Florida-ORL, LLC v. Secretary of the Florida Department of Business and Professional Regulation, decided by Eleventh Circuit on May 13, 2025, resulted in a defendant win outcome. The Eleventh Circu...
CO Supreme Court Revives Climate Nuisance Claims Against Fossil Fuel Companies
In Re County Commissioners of Boulder County and City of Boulder, Plaintiffs: v. Suncor Energy USA, Inc.; Suncor Energy Sales, Inc.; Suncor Energy Inc.; and Exxon Mobil Corporation, Defendants:, decid...
Gruma Corp. Wins Appeal Over "Natural" Labeling of Tortillas
Charles Adler v. Gruma Corporation, decided by Third Circuit on April 16, 2025, resulted in a defendant win outcome. The Third Circuit affirmed the district court's dismissal of a class action lawsuit...
Missouri Supreme Court rules city cannot collect sales tax from businesses on federal land
This case involves a dispute between the City of Normandy and the Governor of Missouri regarding the city's ability to collect sales taxes from businesses operating on federal land within its boundari...
SCOTUS: SEC can compel arbitration despite fraud claims
Medical Marijuana, Inc. v. Horn, decided by Supreme Court of the United States on April 2, 2025, resulted in a defendant win outcome. The core dispute centered on whether the Securities and Exchange C...