Aaron B. Cooley v. The Board of Wardens of the Port of Philadelphia
Supreme Court of the United States
53 U.S. (12 How.) 299 (1851)
States may regulate local aspects of commerce if the nature of the regulation requires diverse treatment and if Congress has not legislated on the matter.
Relevant Facts
Aaron B. Cooley (plaintiff) contested a Pennsylvania law requiring non-local ships at the Port of Philadelphia to hire a local pilot or face a penalty. Cooley argued this regulation, enforced by the Board of Wardens (defendant), was unconstitutional under the Commerce Clause.
Issue
Get access to our database of over 17,000+ case briefs today. Access our issue statements for every case you'll encounter in law school for a low monthly price. The largest database on the internet is now available with Lawwly, the central legal hub. Use our case briefs to comprehend your casebook readings in seconds, to supplement your notes and outlines, and to outshine your classmates. No one has a more comprehensive case brief database than Lawwly. All of our briefs are handwritten by real legal experts and law professors and our stringent editing process ensures you'll get the best quality briefs available.
Holding & Reasoning
Get access to our database of over 17,000+ case briefs today. Access holding & reasonings for every case you'll encounter in law school for a low monthly price. The largest database on the internet is now available with Lawwly, the central legal hub. Use our case briefs to comprehend your casebook readings in seconds, to supplement your notes and outlines, and to outshine your classmates. No one has a more comprehensive case brief database than Lawwly. All of our briefs are handwritten by real legal experts and law professors and our stringent editing process ensures you'll get the best quality briefs available.
Concurrence
Get access to our database of over 17,000+ case briefs today. Access all available concurrences for every case you'll encounter in law school for a low monthly price. The largest database on the internet is now available with Lawwly, the central legal hub. Use our case briefs to comprehend your casebook readings in seconds, to supplement your notes and outlines, and to outshine your classmates. No one has a more comprehensive case brief database than Lawwly. All of our briefs are handwritten by real legal experts and law professors and our stringent editing process ensures you'll get the best quality briefs available.
Dissent
Get access to our database of over 17,000+ case briefs today. Access all available dissents for every case you'll encounter in law school for a low monthly price. The largest database on the internet is now available with Lawwly, the central legal hub. Use our case briefs to comprehend your casebook readings in seconds, to supplement your notes and outlines, and to outshine your classmates. No one has a more comprehensive case brief database than Lawwly. All of our briefs are handwritten by real legal experts and law professors and our stringent editing process ensures you'll get the best quality briefs available.
Last updated:
December 8, 2023
Judicial Opinion
Get access to our database of over 17,000 case briefs today. Our database of judicial opinions will be released soon, for free!
Procedural History
Get access to our database of over 17,000+ case briefs today. Access the entire procedural history for every case you'll encounter in law school for a low monthly price. The largest database on the internet is now available with Lawwly, the central legal hub. Use our case briefs to comprehend your casebook readings in seconds, to supplement your notes and outlines, and to outshine your classmates. No one has a more comprehensive case brief database than Lawwly. All of our briefs are handwritten by real legal experts and law professors and our stringent editing process ensures you'll get the best quality briefs available.
Citations
53 U.S. (12 How.) 299 (1851)