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US Plant Patent PP17854

Tatyana

Chrysanthemum plant named ‘Tatyana’

PUBLIC DOMAIN

Patent expired October 2, 2025. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on April 30, 2025. This patent earned 155 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP17854, the photograph of Tatyana printed in the patent.
Figure 1 from US Plant Patent PP17854, 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
PP17854
Filed
April 30, 2005
Granted
July 10, 2007
Expires
October 2, 2025
Assignee
DELIFLOR CHRYSANTEN B V
Inventor
HOEK JAN

Abstract

A new and distinct cultivar of Chrysanthemum plant named ‘Tatyana’, characterized by its large decorative-type inflorescences with white-colored lanceolate-shaped ray florets; numerous ray florets and very few disc florets; disc florets typically inconspicuous; dark green-colored foliage; strong and upright flowering stems; low number of lateral branches which reduces the amount of disbudding required; short response time; and excellent postproduction longevity.

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 Chrysanthemum plant named ‘Tatyana’, as illustrated and described.

Read the full patent: US Plant Patent PP17854 in full — the complete specification, every figure, and the file history.