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The Patent Garden

US Plant Patent PP18039

Summit

Hop plant named ‘Summit’

PUBLIC DOMAIN

Patent expired September 30, 2025. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on September 26, 2025. This patent earned 4 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP18039, the photograph of Summit printed in the patent.
Figure 1 from US Plant Patent PP18039, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number
PP18039
Filed
September 26, 2005
Granted
September 18, 2007
Expires
September 30, 2025
Assignee
AMERICAN DWARF HOP ASSOC
Inventor
JESKE ROGER

Abstract

A new variety of hop is described and which is characterized principally as to novelty by being semi-dwarf in stature; and which further produces cones having a high percentage of alpha-acids, high alpha/beta ratio and excellent storage stability of alpha-acids.

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 hop substantially is illustrated and described and which is characterized principally as to novelty by being semi-dwarf in nature; having a high percentage of alpha-acids, high alpha/beta ratio and excellent storage stability of alpha-acids; and which is mature for harvesting approximately 10 to 20 September under the ecological conditions prevailing in the Yakima Valley of Central Washington.

Read the full patent: US Plant Patent PP18039 in full — the complete specification, every figure, and the file history.