US Plant Patent PP32372
COOL BEAUTY
Dieffenbachia plant named ‘COOL BEAUTY’
UNDER PATENT
Still under patent. Protection ends November 7, 2039.
Twenty years from the filing date would end on October 31, 2039. This patent earned 7 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP32372
- Filed
- October 31, 2019
- Granted
- October 20, 2020
- Expires
- November 7, 2039
- Assignee
- KANEYA CO LTD
- Inventor
- HAZAMA TAKUYA
Abstract
A new and distinct Dieffenbachia cultivar named ‘COOL BEAUTY’ is disclosed, characterized marginal white colored foliage followed by a green interior halo and lighter green and yellow-green innermost section. Variegation occurs on upper and lower leaf surfaces. Plants produce abundant short foliage. The new variety is a Dieffenbachia , normally produced as an indoor ornamental container plant.
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 Dieffenbachia plant named ‘COOL BEAUTY’ as herein illustrated and described.
Read the full patent: US Plant Patent PP32372 in full — the complete specification, every figure, and the file history.