US Plant Patent PP21775
Big Top Gold
Heuchera plant named ‘Big Top Gold’
UNDER PATENT
Still under patent. Protection ends November 19, 2029.
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
- PP21775
- Filed
- November 19, 2009
- Granted
- March 8, 2011
- Expires
- November 19, 2029
- Assignee
- BALL HORTICULTURAL CO
- Inventor
- PRONK TEUNIS JOHANNES; VAN DUIJN JANMARK
Abstract
A new and distinct cultivar of Heuchera plant named ‘Big Top Gold’, characterized by its large orbicular-shaped leaves that emerge a dark browned yellow-green and mature with increased dark yellow-green coloration, large inflorescences; and vigorous, mounded growth habit, is disclosed.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Heuchera plant named ‘Big Top Gold’, substantially as herein shown and described.
Read the full patent: US Plant Patent PP21775 in full — the complete specification, every figure, and the file history.