US Plant Patent PP16619

Blue Rock

Gentiana plant named ‘Blue Rock’

PUBLIC DOMAIN

Patent expired June 23, 2025. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on March 14, 2025. This patent earned 101 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP16619, the photograph of Blue Rock printed in the patent. — Figure 1 from US Plant Patent PP16619, 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: PP16619
Filed: March 14, 2005
Granted: June 6, 2006
Expires: June 23, 2025
Assignee: VASTE PLANTEN KWEKERIJ DE LEEU
Inventor: DEN ENGELSEN MARCEL

Abstract

A new cultivar of Gentian, Gentiana pyrimidales ‘Blue Rock’, characterized by its light blue flowers borne on thick, strong stems combined with a late blooming season and a plant habit that is compact, short and uniform.

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 Gentiana plant named ‘Blue Rock’ as herein illustrated and described.

Read the full patent: US Plant Patent PP16619 in full — the complete specification, every figure, and the file history.