Gibbs v. Buck, 307 U.S. 66 (1939), was a United States Supreme Court case in which the Court had two main holdings. First, an association of copyright holders, ASCAP, may sum their collective costs to meet the damages threshold for federal jurisdiction. Second, a motion to dismiss allegations that raise "grave doubts about the constitutionality" of legislation should be denied.^[1]

Gibbs v. Buck
Supreme Court of the United States
Decided April 17, 1939
Full case name	Gibbs v. Buck
Citations	307 U.S. 66 (more) 59 S. Ct. 725; 83 L. Ed. 1111
Holding
1) An association of copyright holders, ASCAP, may sum their collective costs to meet the damages threshold for federal jurisdiction. 2) A motion to dismiss allegations that raise "grave doubts about the constitutionality" of legislation should be denied.
Court membership
Chief Justice Charles E. Hughes Associate Justices James C. McReynolds · Pierce Butler Harlan F. Stone · Owen Roberts Hugo Black · Stanley F. Reed Felix Frankfurter · William O. Douglas
Case opinions
Majority	Reed, joined by Hughes, McReynolds, Butler, Stone, Roberts, Frankfurter, Douglas
Dissent	Black