US Plant Patent PP24547
Frost
Heuchera plant named ‘Frost’
UNDER PATENT
Still under patent. Protection ends December 25, 2032.
Twenty years from the filing date would end on August 7, 2032. This patent earned 140 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP24547
- Filed
- August 7, 2012
- Granted
- June 10, 2014
- Expires
- December 25, 2032
- Assignee
- TERRA NOVA NURSERIES INC, EGGER JANET N
- Inventor
- EGGER JANET N
Abstract
A new and distinct Heuchera plant characterized by small almost black leaves with silver veiling over all except reticulate vein pattern, spring leaves of dark purple with almost black veins, light pink flowers on short, dark flower stalks, a small, multi-crowned, low mounding habit, and excellent vigor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct Heuchera plant as herein illustrated and described.
Read the full patent: US Plant Patent PP24547 in full — the complete specification, every figure, and the file history.