US Plant Patent PP33057
Crested Surf
Athyrium plant named ‘Crested Surf’
UNDER PATENT
Still under patent. Protection ends February 21, 2040.
Twenty years from the filing date would end on November 26, 2039. This patent earned 87 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP33057
- Filed
- November 26, 2019
- Granted
- May 11, 2021
- Expires
- February 21, 2040
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
A new and unique crested Japanese fern Athyrium plant named ‘Crested Surf’ characterized by stiff upright habit and compound foliage with alternate deep-green bipinnately with light-green color near the center and wine-colored petioles and midribs. Pinnae and pinnules have compound crested apices.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct cultivar of ornamental fern Athyrium plant named ‘Crested Surf’ as herein described and illustrated.
Read the full patent: US Plant Patent PP33057 in full — the complete specification, every figure, and the file history.