US Plant Patent PP25283
NVDH 100
Helleborus plant named ‘NVDH 100’
UNDER PATENT
Still under patent. Protection ends July 1, 2033.
Twenty years from the filing date would end on March 5, 2033. This patent earned 118 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25283
- Filed
- March 5, 2013
- Granted
- February 3, 2015
- Expires
- July 1, 2033
- Assignee
- VAN DER HORST NIS
- Inventor
- VAN DER HORST NIS
Abstract
A new and distinct cultivar of Helleborus plant named ‘NVDH 100’, characterized by its upright and mounding plant habit; uniform and freely flowering habit; dark green-colored leaves; double white and yellow green-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 ‘NVDH 100’ as illustrated and described.
Read the full patent: US Plant Patent PP25283 in full — the complete specification, every figure, and the file history.