US Plant Patent PP16273

Christine Siena

Rhododendron plant named ‘Christine Siena’

PUBLIC DOMAIN

Patent expired June 1, 2025. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on November 26, 2024. This patent earned 187 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP16273, the photograph of Christine Siena printed in the patent. — Figure 1 from US Plant Patent PP16273, 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: PP16273
Filed: November 26, 2004
Granted: February 21, 2006
Expires: June 1, 2025
Assignee: HORTIBREED NV
Inventor: VANDERHAEGEN JOHAN

Abstract

A new cultivar of Rhododendron plant named ‘Christine Siena’ that is characterized by dark shiny green leaves, large red flowers, vigorous growth and flowers that last longer than 3 weeks.

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

1. A new and distinct variety of Rhododendron plant named ‘Christine Siena’ as described and illustrated.

Read the full patent: US Plant Patent PP16273 in full — the complete specification, every figure, and the file history.