US Plant Patent PP16464
McKCitrine
Forsythia plant named ‘McKCitrine’
PUBLIC DOMAIN
Patent expired December 9, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on August 16, 2024. This patent earned 115 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16464
- Filed
- August 16, 2004
- Granted
- April 18, 2006
- Expires
- December 9, 2024
- Assignee
- MCKAY NURSERY CO INC
- Inventor
- MOORE DANIEL
Abstract
A new cultivar of Forsythia viridissima ‘McKCitrine’ characterized by its unique foliage that is variegated with lime green centers and chartreuse margins.
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 Forsythia plant named ‘McKCitrine’ substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP16464 in full — the complete specification, every figure, and the file history.