US Plant Patent PP25646
LEM 100
Helleborus plant named ‘LEM 100’
UNDER PATENT
Still under patent. Protection ends November 12, 2033.
Twenty years from the filing date would end on June 10, 2033. This patent earned 155 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25646
- Filed
- June 10, 2013
- Granted
- June 23, 2015
- Expires
- November 12, 2033
- Assignee
- LEMONNIER MARTINE
- Inventor
- LEMONNIER MARTINE
Abstract
A new and distinct cultivar of Helleborus plant named ‘LEM 100’, characterized by its compact, upright and mounding plant habit; freely flowering habit; single red purple-colored flowers; and good garden performance.
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 Helleborus plant named ‘LEM 100’ as illustrated and described.
Read the full patent: US Plant Patent PP25646 in full — the complete specification, every figure, and the file history.