US Plant Patent PP23799
Sitka
Peach tree named ‘Sitka’
UNDER PATENT
Still under patent. Protection ends March 8, 2032.
Twenty years from the filing date would end on November 17, 2031. This patent earned 112 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23799
- Filed
- November 17, 2011
- Granted
- August 6, 2013
- Expires
- March 8, 2032
- Inventor
- ZAIGER GARY NEIL; GARDNER LEITH MARIE; ZAIGER GRANT GENE
Abstract
A new and distinct variety of peach tree ( Prunus persica ). The following features of the tree and its fruit are characterized with the tree budded on ‘Nemaguard’ Rootstock (non-patented), grown on Handford sandy loam soil with Storie Index rating 95, in USDA Hardiness Zone 9, near Modesto, Calif., with standard commercial fruit growing practices, such as pruning, thinning, spraying, irrigation and fertilization. Its novelty consist of the following combination of desirable features: 1. The tree being a regular and productive bearer of large size fruit. 2. The tree with vigorous, upright growth. 3. Producing fruit with a high degree of attractive red-orange skin color. 4. White flesh fruit with good flavor and eating quality. 5. Producing fruit with mild, sweet, low acid flavor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
The invention claimed is: 1. A new and distinct variety of peach tree ( Prunus persica ), substantially as illustrated and described.
Read the full patent: US Plant Patent PP23799 in full — the complete specification, every figure, and the file history.