US Plant Patent PP17228
PINK ELF
Epimedium plant named ‘PINK ELF’
PUBLIC DOMAIN
Patent expired July 28, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on July 26, 2025. This patent earned 2 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17228
- Filed
- July 26, 2005
- Granted
- November 21, 2006
- Expires
- July 28, 2025
- Assignee
- WHITE ANTHONY ROBIN
- Inventor
- WHITE ANTHONY ROBIN
Abstract
A new cultivar of Epimedium plant named ‘PINK ELF’ that is characterized by clumping habit, leaflets that are green and russet in color, and purple-pink spurred flowers that are held above two distinct layers of foliage. In combination these traits set ‘PINK ELF’ apart from all other existing varieties of Epimedium known to the inventor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Epimedium plant named ‘PINK ELF’, as described and illustrated herein.
Read the full patent: US Plant Patent PP17228 in full — the complete specification, every figure, and the file history.