US Plant Patent PP28284
Gold Nugget
Sempervivum plant named ‘Gold Nugget’
UNDER PATENT
Still under patent. Protection ends February 18, 2036.
Twenty years from the filing date would end on January 19, 2036. This patent earned 30 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28284
- Filed
- January 19, 2016
- Granted
- August 15, 2017
- Expires
- February 18, 2036
- Assignee
- HANSEN CHRISTOPHER M
- Inventor
- HANSEN CHRISTOPHER M
Abstract
A new cultivar of Sempervivum plant named ‘Gold Nugget’ characterized by its unique foliage coloration throughout the growing seasons; spring coloration is golden green with dark red margins (picotee), summer coloration is lime green without red margins, fall coloration is golden yellow with dark red leaf margins, winter coloration is red, its very vigorous growth habit, its plant height up to 7.6 cm and a plant width of 13 cm, and by its hardiness in at least U.S.D.A. Zones 4 to 9.
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 variety of Sempervivum plant named ‘Gold Nugget’ as described and illustrated herein.
Read the full patent: US Plant Patent PP28284 in full — the complete specification, every figure, and the file history.