Gundy v. United States

Decided June 20, 2019. Elena Kagan delivered the opinion of the Court.

Docket 17-6086 · 588 U.S. 128 (2019) · Cited 435 times

Holding

The Second Circuit’s judgment that 34 U. S. C. §20913(d)—which requires the Attorney General to apply the Sex Offender Registration and Notification Act’s registration requirements as soon as feasible to offenders convicted before the statute’s enactment—is not an unconstitutional delegation of legislative authority is affirmed.

The Court’s statement of the holding, from the opinion’s syllabus. The syllabus is prepared by the Reporter of Decisions and is not part of the opinion of the Court. Read the official opinion for authority.

How the Justices voted

Decided 5–3.

“Concurring” means agreeing with the outcome; any split shown is the Court’s judgment, not each Justice’s reasoning. The lineup is the syllabus’s disposition of who wrote and joined each opinion. Source: the opinion’s syllabus (supremecourt.gov).

Precedents cited

Supreme Court decisions this opinion relies on, ordered by how often it cites each. Cases in our collection link through; others are named.

• Panama Refining Co. v. Ryan · 293 U.S. 388 (1935)
• Reynolds v. United States · 565 U.S. 432 (2012)
• A. L. A. Schechter Poultry Corp. v. United States · 295 U.S. 495 (1935)
• Loving v. United States · 517 U.S. 748 (1996)
• J. W. Hampton, Jr., & Co. v. United States · 276 U.S. 394 (1928)
• Yakus v. United States · 321 U.S. 414 (1944)
• Clinton v. City of New York · 524 U.S. 417 (1998)
• Department of Transportation v. Association of American Railroads · 575 U.S. 43 (2015)
• Touby v. United States · 500 U.S. 160 (1991)
• Kolender v. Lawson · 461 U.S. 352 (1983)
• United States v. Mead Corp. · 533 U.S. 218 (2001)
• Mistretta v. United States · 488 U.S. 361 (1989)
• Stern v. Marshall · 564 U.S. 462 (2011)
• McDonald v. City of Chicago · 561 U.S. 742 (2010)
• Food & Drug Administration v. Brown & Williamson Tobacco Corp. · 529 U.S. 120 (2000)
• Immigration & Naturalization Service v. Chadha · 462 U.S. 919 (1983)
• Youngstown Sheet & Tube Co. v. Sawyer · 343 U.S. 579 (1952)
• Mertens v. Hewitt Associates · 508 U.S. 248 (1993)
• Whitman v. American Trucking Assns., Inc. · 531 U.S. 457 (2001)
• Plaut v. Spendthrift Farm, Inc. · 514 U.S. 211 (1995)
• Sessions v. Dimaya · 584 U.S. 148 (2018)
• King v. Burwell · 576 U.S. 473 (2015)
• National Society of Professional Engineers v. United States · 435 U.S. 679 (1978)
• United States v. Curtiss-Wright Export Corp. · 299 U.S. 304 (1936)
• United States v. Grimaud · 220 U.S. 506 (1911)
• Industrial Union Dept., AFL-CIO v. American Petroleum Institute · 448 U.S. 607 (1980)
• Interstate Commerce Commission v. Goodrich Transit Co. · 224 U.S. 194 (1912)
• Grayned v. City of Rockford · 408 U.S. 104 (1972)
• Reiter v. Sonotone Corp. · 442 U.S. 330 (1979)
• Lucia v. SEC · 585 U.S. 237 (2018)

Official text

Read the official opinion (PDF, supremecourt.gov)

Explore from here

Elena Kagan’s profile · All Supreme Court opinions · The Supreme Court

Source: Supreme Court of the United States, slip opinions (2019). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-08-15. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).