US Plant Patent PP22675
Appalachian Trail
Tiarella plant named ‘Appalachian Trail’
UNDER PATENT
Still under patent. Protection ends November 26, 2030.
Twenty years from the filing date would end on November 17, 2030. This patent earned 9 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP22675
- Filed
- November 17, 2010
- Granted
- April 17, 2012
- Expires
- November 26, 2030
- Assignee
- TERRA NOVA NURSERIES INC, EGGER JANET
- Inventor
- EGGER JANET
Abstract
A new and distinct cultivar of Tiarella plant characterized by medium large ovate leaves with prominent black splatter markings, medium large ovate leaves with prominent black splatter markings, excellent vigor, and an excellent trailing habit.
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 Tiarella plant herein illustrated and described.
Read the full patent: US Plant Patent PP22675 in full — the complete specification, every figure, and the file history.