US Plant Patent PP36637
Pink Pearl
Agastache plant named ‘Pink Pearl’
UNDER PATENT
Still under patent. Protection ends May 28, 2043.
Twenty years from the filing date would end on March 30, 2043. This patent earned 59 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP36637
- Filed
- March 30, 2023
- Granted
- April 29, 2025
- Expires
- May 28, 2043
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- KORLIPARA HARINI
Abstract
A new and distinct Agastache plant characterized by pink flowers in large inflorescences, a long bloom time, a very dense, medium compact habit, good winter hardiness, and very high 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 variety of Agastache plant named ‘Pink Pearl’, substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP36637 in full — the complete specification, every figure, and the file history.