US Plant Patent PP27556
Creme Brulee
Hibiscus plant named ‘Creme Brulee’
UNDER PATENT
Still under patent. Protection ends December 1, 2034.
Twenty years from the filing date would end on July 23, 2034. This patent earned 131 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP27556
- Filed
- July 23, 2014
- Granted
- January 17, 2017
- Expires
- December 1, 2034
- Assignee
- ZWETZIG GRETCHEN
- Inventor
- ZWETZIG GRETCHEN
Abstract
A new and distinct cultivar of winter hardy Hibiscus plant named ‘Crème Brulee’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to its novelty by its extreme cold hardiness to Zone 4, medium thick-textured, luminescent butter yellow flowers and its “Maple-shaped” foliage with a dark-purple coloration, compactness of approximately 2½-3 feet, its vigorous and uniform breaking habit and its floriferous nature from midsummer until frost.
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 cultivar of hardy Hibiscus plant, as herein shown and described, characterized by its compact nature, refined “maple-shaped” foliage of an extremely dark purple coloration, its large Light yellow flowers, its vigor and its hardiness.
Read the full patent: US Plant Patent PP27556 in full — the complete specification, every figure, and the file history.