US Plant Patent PP30339
Black Goblet
Colocasia plant named ‘Black Goblet’
UNDER PATENT
Still under patent. Protection ends April 23, 2038.
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
- PP30339
- Filed
- April 23, 2018
- Granted
- April 2, 2019
- Expires
- April 23, 2038
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
A new and distinct cultivar of Colocasia plant named ‘Black Goblet’ characterized by large lustrous dark greyed-purple leaf blades that are deeply cupped. The leaf blades are held nearly horizontally. The tropical stemless perennial produces multiple, long, spadix flowers with burgundy spathes.
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 cultivar of Colocasia plant named ‘Black Goblet’ as herein illustrated and described.
Read the full patent: US Plant Patent PP30339 in full — the complete specification, every figure, and the file history.