| Ex parte Jackson | |
|---|---|
| Decided October 1, 1878 | |
| Full case name | Ex parte Jackson | 
| Citations | 96 U.S. 727 ( more ) 6 Otto 727; 24 L. Ed. 877  | 
| Court membership | |
  | |
| Case opinion | |
| Majority | Field, joined by unanimous | 
Ex parte Jackson, 96 U.S. 727 (1878), was a United States Supreme Court ex parte decision. [1] The case decided that the United States Post Office may open and inspect mail to limit the transmission of circulars on lotteries. [2] It also extended Fourth Amendment protections to private letters, holding that letters and sealed packages sent through the mail required warrants to be searched through. [1]