US Plant Patent PP12940
Shock
Chrysanthemum plant named ‘Shock’
PUBLIC DOMAIN
Patent expired March 9, 2021. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on January 9, 2021. This patent earned 59 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP12940
- Filed
- January 9, 2001
- Granted
- September 10, 2002
- Expires
- March 9, 2021
- Assignee
- YODER BROTHERS INC
- Inventor
- VANDENBERG CORNELIS P
Abstract
A distinct cultivar of Chrysanthemum plant named ‘Shock’, characterized by its anemone-type inflorescences that are about 5.7 cm in diameter with large anemone centers; attractive purple-colored ray and disc florets; very freely flowering habit with numerous inflorescences per stem; response time about 55 days; dark green foliage; strong stems; and good postproduction longevity with inflorescences 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.
It is claimed: 1. A new and distinct cultivar of Chrysanthemum plant named ‘Shock’, as illustrated and described.
Read the full patent: US Plant Patent PP12940 in full — the complete specification, every figure, and the file history.