US Plant Patent PP25667
Royal Wolfgang
Gasteria plant named ‘Royal Wolfgang’
UNDER PATENT
Still under patent. Protection ends February 4, 2034.
Twenty years from the filing date would end on September 20, 2033. This patent earned 137 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25667
- Filed
- September 20, 2013
- Granted
- June 30, 2015
- Expires
- February 4, 2034
- Assignee
- TUINIER WANDER DURK, Wander Tuinier BV
- Inventor
- TUINIER WANDER DURK
Abstract
A new cultivar of Gasteria plant named ‘Royal Wolfgang’ that is characterized by dark green leaves with grey-green spots on the inner surface, white spots on the outer surface and margins with white teeth.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
The invention claimed is: 1. A new and distinct variety of Gasteria plant named ‘Royal Wolfgang’ as described and illustrated.
Read the full patent: US Plant Patent PP25667 in full — the complete specification, every figure, and the file history.