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.

The record
- Patent number
- PP18974
- Filed
- December 12, 2005
- Granted
- June 24, 2008
- Expires
- May 7, 2026
- Assignee
- SYNGENTA SEEDS BV
- 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.