US Plant Patent PP27598
KLAHYFLA
Hydrangea plant named ‘KLAHYFLA’
UNDER PATENT
Still under patent. Protection ends May 2, 2035.
Twenty years from the filing date would end on February 23, 2035. This patent earned 68 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP27598
- Filed
- February 23, 2015
- Granted
- January 24, 2017
- Expires
- May 2, 2035
- Assignee
- KOLK JACOBUS WILHELMUS PETRUS
- Inventor
- KOLK JACOBUS WILHELMUS PETRUS
Abstract
A new cultivar of Hydrangea macrophylla named ‘KLAHYFLA’ that is characterized by its inflorescence with sepals of the sterile flowers that open light pink with a light greenish white base and mature to light purple-pink, its sturdy stems that are dark purple-brown (near black) in color, and its free flowering habit with sturdy inflorescences.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct cultivar of Hydrangea plant named ‘KLAHYFLA’ substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP27598 in full — the complete specification, every figure, and the file history.