US Plant Patent PP36456
Golden Jack
Spiraea plant named ‘Golden Jack’
UNDER PATENT
Still under patent. Protection ends March 4, 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
- PP36456
- Filed
- March 4, 2024
- Granted
- February 18, 2025
- Expires
- March 4, 2044
- Inventor
- WILKOŃSKI KAROL
Abstract
A new cultivar of Spiraea plant named ‘Golden Jack’ that is characterized by its compact and spreading plant habit, its foliage with young leaves that are bright yellow in color and mature to green-yellow in color, its flowers that are purple-pink in color, and its floriferous blooming habit.
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 Spiraea plant named ‘Golden Jack’ as herein illustrated and described.
Read the full patent: US Plant Patent PP36456 in full — the complete specification, every figure, and the file history.