US Plant Patent PP15661
P.F. 11 Nectarine
Nectarine tree named ‘P.F. 11 Nectarine’
PUBLIC DOMAIN
Patent expired November 25, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on November 14, 2023. This patent earned 11 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15661
- Filed
- November 14, 2003
- Granted
- March 15, 2005
- Expires
- November 25, 2023
- Inventor
- FRIDAY PAUL JAN
Abstract
A new and distinct variety of nectarine, Prunus persica, tree having the following unique combination of desirable features: 1. Producing a very firm fruit having a resilient flesh texture. 2. Blossoms are non-showy when in full bloom. 3. A substantially spherical fruit with yellow flesh having red mottling. 4. A mid-season nectarine variety that matures after ‘Redhaven’ (unpatented) and which has good storage and shelf life.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of nectarine tree as herein illustrated and described.
Read the full patent: US Plant Patent PP15661 in full — the complete specification, every figure, and the file history.