US Plant Patent PP17460
Yosun City
Chrysanthemum plant named ‘Yosun City’
PUBLIC DOMAIN
Patent expired July 21, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on June 21, 2025. This patent earned 30 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17460
- Filed
- June 21, 2005
- Granted
- February 27, 2007
- Expires
- July 21, 2025
- Assignee
- YODER BROTHERS INC
- Inventor
- WAIN PETER
Abstract
A new and distinct cultivar of Chrysanthemum plant named ‘Yosun City’, characterized by its uniform and somewhat outwardly spreading plant habit; strong and freely branching growth habit; dark green-colored foliage; uniform flowering response and habit; typically grown as a spray-type; early flowering habit; large daisy-type inflorescences with elongated oblong-shaped ray florets; red and yellow bi-colored ray florets; and excellent postproduction longevity with plants maintaining good substance and color for about four weeks in an interior environment.
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 ‘Yosun City’, as illustrated and described.
Read the full patent: US Plant Patent PP17460 in full — the complete specification, every figure, and the file history.