US Plant Patent PP24819
Helen
Barberry plant named ‘Helen’
UNDER PATENT
Still under patent. Protection ends January 18, 2033.
Twenty years from the filing date would end on July 27, 2032. This patent earned 175 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP24819
- Filed
- July 27, 2012
- Granted
- August 26, 2014
- Expires
- January 18, 2033
- Assignee
- SPRING MEADOW NURSERY INC, WOOD TIMOTHY D
- Inventor
- WOOD TIMOTHY D
Abstract
A new and distinct cultivar of Barberry plant named ‘Helen’, characterized by its upright and outwardly spreading to arching plant habit; vigorous growth habit; freely branching habit; leaves that are dark purple to dark brown in color numerous pale yellow-colored flowers; good garden performance; and resistance to Black Stem Rust.
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 Barberry plant named ‘Helen’ as illustrated and described.
Read the full patent: US Plant Patent PP24819 in full — the complete specification, every figure, and the file history.