US Plant Patent PP17871
Yosnowmass
Chrysanthemum plant named ‘Yosnowmass’
PUBLIC DOMAIN
Patent expired November 16, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on November 8, 2025. This patent earned 8 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17871
- Filed
- November 8, 2005
- Granted
- July 17, 2007
- Expires
- November 16, 2025
- Assignee
- YODER BROTHERS INC
- Inventor
- BERGMAN WENDY R
Abstract
A new and distinct cultivar of Chrysanthemum plant named ‘Yosnowmass’, characterized by its upright and mounded plant habit; vigorous and strong growth habit; large dark green-colored foliage; uniform flowering response and habit; early flowering habit; large decorative incurved-type inflorescences with elongated oblong-shaped and white-colored ray florets; and good postproduction longevity with plants maintaining good substance and color for about three to 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 ‘Yosnowmass’, as illustrated and described.
Read the full patent: US Plant Patent PP17871 in full — the complete specification, every figure, and the file history.