US Plant Patent PP22237
Bluette Gradation Pink
Petunia plant named ‘Bluette Gradation Pink’
UNDER PATENT
Still under patent. Protection ends April 29, 2030.
Twenty years from the filing date would end on February 18, 2030. This patent earned 70 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP22237
- Filed
- February 18, 2010
- Granted
- November 8, 2011
- Expires
- April 29, 2030
- Assignee
- DAIICHI ENGEI CO LTD
- Inventor
- TSUKAHARA JUN
Abstract
A new and distinct Petunia cultivar named ‘Bluette Gradation Pink’ is disclosed, characterized by unique pink flowers with white throat and veins and a trailing plant habit. The new variety is a Petunia , suitable as an outdoor garden or container plant.
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 Petunia plant named ‘Bluette Gradation Pink’ as herein illustrated and described.
Read the full patent: US Plant Patent PP22237 in full — the complete specification, every figure, and the file history.