US Plant Patent PP16181
Party Time
×Heucherella plant named ‘Party Time’
PUBLIC DOMAIN
Patent expired November 15, 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 150 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16181
- Filed
- June 18, 2004
- Granted
- January 3, 2006
- Expires
- November 15, 2024
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- GOSSETT GARY J
Abstract
A new and distinct cultivar of × Heucherella plant characterized by its abundant warm pink flowers, compact habit, and maple shaped leaves.
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 × Heucherella plant as herein illustrated and described.
Read the full patent: US Plant Patent PP16181 in full — the complete specification, every figure, and the file history.