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US Plant Patent PP14935

Clark Gold

Blackberry plant named ‘Clark Gold’

PUBLIC DOMAIN

Patent expired September 7, 2022. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on June 24, 2022. This patent earned 75 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP14935, the photograph of Clark Gold printed in the patent.
Figure 1 from US Plant Patent PP14935, 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
PP14935
Filed
June 24, 2002
Granted
June 22, 2004
Expires
September 7, 2022
Inventor
CLARK JOHN WILLIAM

Abstract

A new and distinct variety of blackberry plant lacking anthocyanin coloration in it's various plant parts and having yellow fruit is described. The new variety named ‘Clark Gold’ also has double flowers and enlarged sepals. ‘Clark Gold’ is a sport of the southern dewberry, Rubus trivalis , and is a biennial, thorny, trailing-vine plant type. The yellow fruit is of medium size and has the sweetness of its wild blackberry relative. It is also a very early variety with low chill requirements.

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

I claim: 1. A new and distinctive variety of blackberry plant, substantially as described and illustrated herein, characterized by (A) having yellow fruit and the absence of anthocyanin coloration in the vegetative and floral parts, (B) double flowers and (C) elongated sepals.

Read the full patent: US Plant Patent PP14935 in full — the complete specification, every figure, and the file history.