US Plant Patent PP17161
Ace of Hearts
Eastern redbud tree named ‘Ace of Hearts’
PUBLIC DOMAIN
Patent expired January 8, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on December 23, 2023. This patent earned 382 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17161
- Filed
- December 23, 2003
- Granted
- October 24, 2006
- Expires
- January 8, 2025
- Assignee
- WOODY PAUL BUDDY EWING
- Inventor
- WOODY PAUL BUDDY EWING
Abstract
A new and distinct ornamental cultivar of Cercis canadensis called ‘Ace of Hearts’ is described that is a dwarf, compact tree with small, semi-glossy, heart-shaped leaves and a dense, dome-shaped canopy.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Cercis canadensis plant named ‘Ace of Hearts’, substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP17161 in full — the complete specification, every figure, and the file history.