US Plant Patent PP15945
Marmalade
Heuchera plant named ‘Marmalade’
PUBLIC DOMAIN
Patent expired October 1, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on June 18, 2024. This patent earned 105 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15945
- Filed
- June 18, 2004
- Granted
- September 6, 2005
- Expires
- October 1, 2024
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- EGGER JANET
Abstract
A new and distinct hybrid of Heuchera plant characterized by russet to amber colored foliage, bold size and vigor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Heuchera plant as herein illustrated and described.
Read the full patent: US Plant Patent PP15945 in full — the complete specification, every figure, and the file history.