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The Patent Garden

US Plant Patent PP18974

Nemhmago

Nemesia plant named ‘Nemhmago’

PUBLIC DOMAIN

Patent expired May 7, 2026. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on December 12, 2025. This patent earned 146 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP18974, the photograph of Nemhmago printed in the patent.
Figure 1 from US Plant Patent PP18974, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number
PP18974
Filed
December 12, 2005
Granted
June 24, 2008
Expires
May 7, 2026
Inventor
STEMKENS HENRICUS G W

Abstract

A new and distinct variety of Nemesia plant, substantially as herein illustrated and described, characterized particularly as to novelty by a semi-trailing and compact habit, golden yellow flowers, very early flowering and absolutely no seed set.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

1. A new and distinct cultivar of Nemesia plant named ‘Nemhmago,’ as substantially illustrated and described herein.

Read the full patent: US Plant Patent PP18974 in full — the complete specification, every figure, and the file history.