Public-domain · open source
OpenJurist

528 U.S. 1046

Ryan v. Powell

Supreme Court of the United States

Decided December 6, 1999

Supreme Court of the United States · decided 1999-12-06

Relies on David Powell v. Thomas J. Ridge

Good law ✅— No negative treatment on recordhow we know

Decided 1999-12-06

How this case has been cited

Cited by 208 later decisions (2 by the Supreme Court) — most recently February 2026 · most notably United States of America v. Tommy Don Cockerham (2001), Henrietta v. Bloomberg (2003)

37 federal appellate · 11 district · 115 state decisions — followed in 16 states

17801999200020102020decided

Later decisions citing this case, by decade. The current decade is in progress, and our corpus holds fewer opinions from the most recent years, so the latest bars are undercounted — not a real decline.

View the full empirical analysis of this case →

/528/us/1046 · .json · Public domain