US Plant Patent PP18253

Lord Primrose

Viola plant named ‘Lord Primrose’

PUBLIC DOMAIN

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

Twenty years from the filing date would end on May 16, 2026. This patent earned 22 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP18253, the photograph of Lord Primrose printed in the patent. — Figure 1 from US Plant Patent PP18253, 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: PP18253
Filed: May 16, 2006
Granted: November 27, 2007
Expires: June 7, 2026
Assignee: EGGLETON STEVEN
Inventor: EGGLETON STEVEN

Abstract

A new cultivar of Viola plant named ‘LORD PRIMROSE’ characterized by dense trailing habit, dome shape, green leaves and fragrant flowers that are violet and mid-yellow in color. In combination these traits set ‘LORD PRIMROSE’ apart from all other existing varieties of Voila known to the inventor.

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 Viola plant named ‘LORD PRIMROSE’ as described and illustrated herein.

Read the full patent: US Plant Patent PP18253 in full — the complete specification, every figure, and the file history.