US Plant Patent PP17836
PETE I
Pistachio plant called ‘PETE I’
PUBLIC DOMAIN
Patent expired August 8, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on October 14, 2024. This patent earned 298 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17836
- Filed
- October 14, 2004
- Granted
- June 26, 2007
- Expires
- August 8, 2025
- Assignee
- PETE I PISTACHIOS INC
- Inventor
- PETERSEN DAVID R
Abstract
A new and distinct pistachio tree named ‘PETE I’, characterized by a very white shell nut with a 90% or higher split ratio and a large nut size (18 to 20 nuts per ounce), nut meat color brilliant purple on the exterior with a dark green interior, a very high resistance to Botryosphaeria panicle and shoot blight ( Botryosphaeria dothidea ) fungus, large, dark green leaves and an early bloom.
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 pistachio tree, identified as ‘PETE I’, substantially as shown and described.
Read the full patent: US Plant Patent PP17836 in full — the complete specification, every figure, and the file history.