US Plant Patent PP16833
Yellow Watch
Chrysanthemum plant named ‘Yellow Watch’
PUBLIC DOMAIN
Patent expired May 17, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on May 5, 2025. This patent earned 12 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16833
- Filed
- May 5, 2005
- Granted
- July 18, 2006
- Expires
- May 17, 2025
- Assignee
- YODER BROTHERS INC
- Inventor
- VANDENBERG CORNELIS P
Abstract
A new and distinct cultivar of Chrysanthemum plant named ‘Yellow Watch’, characterized by its upright cut Chrysanthemum that is usually grown as a disbud-type; dark green-colored foliage; decorative-type inflorescences; quill to spoon-shaped and bright yellow-colored ray florets; response time about 9.5 weeks; strong flowering stems; and good 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 ‘Yellow Watch’, as illustrated and described.
Read the full patent: US Plant Patent PP16833 in full — the complete specification, every figure, and the file history.