US Plant Patent PP29710
Pinky Ring
Hydrangea plant named ‘Pinky Ring’
UNDER PATENT
Still under patent. Protection ends April 20, 2037.
Twenty years from the filing date would end on March 7, 2037. This patent earned 44 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP29710
- Filed
- March 7, 2017
- Granted
- September 25, 2018
- Expires
- April 20, 2037
- Assignee
- PHIMMA TIAMCHAI
- Inventor
- SAKAMOTO SHOJI
Abstract
A new and distinct cultivar of Hydrangea plant named ‘Pinky Ring’, characterized by its double-type, modified lacecap inflorescences, having light pink-colored sterile florets with a darker pink picotee color pattern, dark green-colored foliage, and moderately vigorous, compact-upright growth habit, is disclosed.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct cultivar of Hydrangea plant named ‘Pinky Ring’, substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP29710 in full — the complete specification, every figure, and the file history.