US Plant Patent PP17706
Asian pear tree, 85.10-23
Asian pear tree, 85.10-23
PUBLIC DOMAIN
Patent expired September 20, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on October 20, 2024. This patent earned 335 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17706
- Filed
- October 20, 2004
- Granted
- May 8, 2007
- Expires
- September 20, 2025
- Assignee
- DOYLE JAMES F
- Inventor
- DOYLE JAMES F
Abstract
A new and distinct variety of Asian pear tree ( Pyrus pyrifolia ) and which is denominated as 85.10-23 is described, and which produces a yellow colored white fleshed fruit which is mature for harvesting and shipment during the second and third weeks of July under the ecological conditions prevailing in the San Joaquin Valley of central California.
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 Asian pear tree substantially as illustrated and described, and which is characterized principally as to novelty by producing an attractively colored fruit which is mature for harvesting and shipment during the second and third weeks of July under the ecological conditions prevailing in the San Joaquin Valley of central California.
Read the full patent: US Plant Patent PP17706 in full — the complete specification, every figure, and the file history.