US Plant Patent PP26608
Double Sunstruck
Heliopsis plant named ‘Double Sunstruck’
UNDER PATENT
Still under patent. Protection ends December 2, 2034.
Twenty years from the filing date would end on August 25, 2034. This patent earned 99 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP26608
- Filed
- August 25, 2014
- Granted
- April 12, 2016
- Expires
- December 2, 2034
- Assignee
- BALL HORTICULTURAL CO
- Inventor
- KNOSHER LYNNE
Abstract
A new and distinct cultivar of Heliopsis plant named ‘Double Sunstruck’, characterized by its semi-double type, dark yellow-colored inflorescences, green and white variegated foliage, and moderately vigorous, compact-mounded growth habit, is disclosed.
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 Heliopsis plant named ‘Double Sunstruck’, substantially as herein shown and described.
Read the full patent: US Plant Patent PP26608 in full — the complete specification, every figure, and the file history.