US Plant Patent PP21667
Dove
Hydrangea plant named “Dove”
UNDER PATENT
Still under patent. Protection ends December 27, 2028.
Twenty years from the filing date would end on November 29, 2028. This patent earned 28 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21667
- Filed
- November 29, 2008
- Granted
- January 25, 2011
- Expires
- December 27, 2028
- Assignee
- BAY CITY FLOWER CO
- Inventor
- HIGAKI HARRISON M
Abstract
A new and distinct cultivar of Hydrangea macrophylla (Thunb.) named ‘Dove ’ originated as a controlled cross between the cultivars ‘BuffiexLibelle96BL-2’ and ‘Libelle’. The cultivar ‘Dove’ has white R.H.S. 155 D (white group) sepals at maturity and is distinguished from other similar cultivars of which the inventor is aware by its sepal color, and its compact and sturdy growth habit. ‘Dove’ has large showy inflorescences, having both sepalous and non-sepalous florets.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Hydrangea macrophylla (Thunb.) plant named ‘Dove’ substantially as herein shown and described.
Read the full patent: US Plant Patent PP21667 in full — the complete specification, every figure, and the file history.