US Plant Patent PP36803
KERBELBLUWAT
Primula plant named ‘KERBELBLUWAT’
UNDER PATENT
Still under patent. Protection ends August 9, 2044.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP36803
- Filed
- August 9, 2024
- Granted
- July 1, 2025
- Expires
- August 9, 2044
- Assignee
- KERLEY & CO LTD
- Inventor
- KERLEY DAVID WILLIAM; KERLEY TIMOTHY EDWARD
Abstract
A new and distinct cultivar of Primula plant named ‘KERBELBLUWAT’ is described, characterized by abundant, fully-double blue flowers, and dark green foliage. Plants have compact, uniform habits. The new variety is a Primula , normally used as an ornamental garden or landscape 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 Primula plant named ‘KERBELBLUWAT’ as herein illustrated and described.
Read the full patent: US Plant Patent PP36803 in full — the complete specification, every figure, and the file history.