US Plant Patent PP12800
Colvey
Antigonon plant named ‘Colvey’
PUBLIC DOMAIN
Patent expired March 12, 2021. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on February 1, 2021. This patent earned 39 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP12800
- Filed
- February 1, 2001
- Granted
- July 23, 2002
- Expires
- March 12, 2021
- Assignee
- COLOR SPOT NURSERIES INC
- Inventor
- SPIVEY JAMES W
Abstract
A distinct cultivar of Antigonon plant named ‘Colvey’, characterized by its large dark reddish pink-colored flowers; freely flowering habit with flowering racemes developing at every node; relatively early flowering; and tolerance to high temperatures.
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 Antigonon plant named ‘Colvey’,
Read the full patent: US Plant Patent PP12800 in full — the complete specification, every figure, and the file history.