US Plant Patent PP18329
GG GTCHA 05
Chrysanthemum plant named ‘GG GTCHA 05’
PUBLIC DOMAIN
Patent expired April 25, 2026. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on March 31, 2026. This patent earned 25 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP18329
- Filed
- March 31, 2006
- Granted
- December 18, 2007
- Expires
- April 25, 2026
- Assignee
- GROLINK CORP
- Inventor
- VAN ZANTEN LEO
Abstract
A new and distinct Chrysanthemum plant cultivar is disclosed, characterized by medium-size daisy type inflorescences, consistent flowering response to short days, blooming consistently after 52 days of short day length, bronze yellow ray florets with dark red underpetal, and a moderate branching habit.
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 ‘GG GTCHA 05’ as herein illustrated and described.
Read the full patent: US Plant Patent PP18329 in full — the complete specification, every figure, and the file history.