US Plant Patent PP35429
Ball Gown
Heuchera plant named ‘Ball Gown’
UNDER PATENT
Still under patent. Protection ends December 15, 2042.
Twenty years from the filing date would end on November 16, 2042. This patent earned 29 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP35429
- Filed
- November 16, 2022
- Granted
- October 17, 2023
- Expires
- December 15, 2042
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
The new and distinct hybrid of Heuchera plant named ‘Ball Gown’ with large-sized, ruffled, chartreuse foliage. The new plant has creamy white flowers on dense panicles that repeat through the growing season. The new plant is vigorous, and produces dense clumps and is useful in the landscape or in containers.
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 coral bells plant named Heuchera ‘Ball Gown’ as herein described and illustrated.
Read the full patent: US Plant Patent PP35429 in full — the complete specification, every figure, and the file history.