US Plant Patent PP35383
ET EPB 731
Helleborus plant named ‘ET EPB 731’
UNDER PATENT
Still under patent. Protection ends December 6, 2042.
Twenty years from the filing date would end on November 22, 2042. This patent earned 14 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP35383
- Filed
- November 22, 2022
- Granted
- September 12, 2023
- Expires
- December 6, 2042
- Assignee
- ETERNAL PLANT BOIJL B V
- Inventor
- BISSCHOP ELISABETH; NOORDHUIS BART
Abstract
A new and distinct cultivar of Helleborus plant named ‘ET EPB 731’, characterized by its upright plant habit; moderately vigorous to vigorous growth habit; continuous and freely flowering habit; relatively large light pink and purplish red bi-colored flowers that are held above the foliar plane on relatively long peduncles; 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 ‘ET EPB 731’ as illustrated and described.
Read the full patent: US Plant Patent PP35383 in full — the complete specification, every figure, and the file history.