- Honig v. Doe (Ft. J.R. & William J. Brennan)
- House v. Bell
- Houston Texas Railway v. U.S. (Shreveport Rate Cases) (Ft. Charles Evans Hughes)
- INS v. Chadha (Ft. Justice Warren E. Berger)
- International Shoe Co. v. Washington (Ft. Chief justice Harlan F. Stone)
- Int'l Brotherhood of Teamsters v. United States (Ft. Justice Potter Stewart)
- J. McIntyre Machinery, Ltd. v. NIcastro (Ft. Justice Anthony Kennedy)
- Jones v. Flowers (Ft. Chief Justice John Roberts)
- Justice Alito, Concurring (No. 10-1259) (Ft. Justice Breyer, Justice Ginsburg & Justice Kagan)
- J.W. Hampton & Co. v. United States (Ft. Justice William Howard Taft)
- Katzenbach v. McClung (Ft. Tom C. Clark)
- Katzenbach v. Morgan (Ft. Brennan)
- Keeton v. Hustler Magazine (Ft. Chief Justice William Rehnquist)
- Kelo v. City of New London (Ft. Justice John Paul Stevens)
- Korematsu v. United States (Ft. Hugo Black)
- Krupski v. Costa Crociere S.P.A. (Ft. Justice Sonia Sotomayor)
- Kuhlmann v. Wilson
- Laidlaw v. Organ (Ft. John Marshall)
- Lassiter v. Dept of Social Services (Ft. Justice Potter Stewart)
- Lawrence v. Texas (Dissent) by Justice Antonin Scalia (Ft. Chief Justice William Rehnquist & Justice Clarence Thomas)