US Plant Patent PP22779
Royal Tioga
Cherry tree named ‘Royal Tioga’
UNDER PATENT
Still under patent. Protection ends November 26, 2030.
Twenty years from the filing date would end on May 28, 2030. This patent earned 182 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP22779
- Filed
- May 28, 2010
- Granted
- June 12, 2012
- Expires
- November 26, 2030
- Inventor
- ZAIGER GARY NEIL; GARDNER LEITH MARIE; ZAIGER GRANT GENE
Abstract
A new and distinct variety of cherry tree. The following features of the tree and its fruit are characterized with the tree budded on ‘Mahaleb’ 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. Early blooming with a low winter chilling requirement of approximately 500 hours at or below 45° F. 2. Fruit maturing in the early season. 3. Fruit with an attractive red skin color. 4. Fruit with good flavor and eating quality. 5. Heavy and regular production of large size fruit.
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 cherry tree, substantially as illustrated and described.
Read the full patent: US Plant Patent PP22779 in full — the complete specification, every figure, and the file history.