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US Plant Patent PP18690

Suplumthirtyseven

Plum tree named ‘Suplumthirtyseven’

PUBLIC DOMAIN

Patent expired April 21, 2026. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on March 17, 2026. This patent earned 35 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP18690, the photograph of Suplumthirtyseven printed in the patent.
Figure 1 from US Plant Patent PP18690, 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
PP18690
Filed
March 17, 2006
Granted
April 1, 2008
Expires
April 21, 2026
Assignee
SUN WORLD INT LLC
Inventor
BACON TERRY A; CAIN DAVID W

Abstract

A new and distinct plum tree variety, Prunus salicina, cv. ‘Suplumthirtyseven’ characterized by heavy and consistent production of early-season yellow-fleshed purple-black plums that have aromatic sweet flavor, excellent juiciness, and high sugar content (17 degrees brix). The combined traits of the new variety constitute superior quality relative to other commercial plum varieties ripening in ‘Black Beaut’ (unpatented) ripening season in the San Joaquin Valley, Calif.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

1. A new and distinct plum tree as herein described and illustrated.

Read the full patent: US Plant Patent PP18690 in full — the complete specification, every figure, and the file history.