US Plant Patent PP17843
HW610
Pear tree named ‘HW610’
PUBLIC DOMAIN
Patent expired January 21, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on July 3, 2022. This patent earned 202 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17843
- Filed
- July 3, 2002
- Granted
- July 3, 2007
- Expires
- January 21, 2023
- Assignee
- CA MINISTER AGRICULTURE & FOOD
- Inventor
- HUNTER DAVID MICHAEL; KAPPEL FRANK; QUAMME HARVEY ALLEN; BONN WILLIAM GORDON
Abstract
A new and distinct variety of pear tree, which has been given the designation ‘HW610’, which produces a high quality, attractive mid-season fruit and has a good to very good rating for quality of fresh and processed 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 pear tree substantially as shown and described herein.
Read the full patent: US Plant Patent PP17843 in full — the complete specification, every figure, and the file history.