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US Plant Patent PP37190

Flevo 21-13-371

Helleborus plant named ‘Flevo 21-13-371’

UNDER PATENT

Still under patent. Protection ends May 31, 2045.

No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record

Patent number
PP37190
Filed
May 31, 2025
Granted
January 6, 2026
Expires
May 31, 2045
Inventor
VAN DIEPEN THEODORUS L M

Abstract

A new and distinct cultivar of Helleborus plant named ‘Flevo 21-13-371’, characterized by its upright and mounding plant habit; relatively vigorous growth habit; green-colored leaves; freely flowering habit; dark purplish red-colored flower sepals; 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 ‘Flevo 21-13-371’ as herein illustrated and described.

Read the full patent: US Plant Patent PP37190 in full — the complete specification, every figure, and the file history.