US Plant Patent PP18895

Red Topaz

Apple tree named ‘Red Topaz’

PUBLIC DOMAIN

Patent expired February 27, 2026. This plant is in the public domain — anyone may propagate and sell it.

No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

Figure 1 of US plant patent PP18895, the photograph of Red Topaz printed in the patent. — Figure 1 from US Plant Patent PP18895, 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: PP18895
Filed: February 27, 2006
Granted: June 10, 2008
Expires: February 27, 2026
Assignee: INST OF EX BOTANY
Inventor: TUPY JAROSLAV; LOUDA OTTO

Abstract

The ‘Red Topaz’ apple tree originated as a spontaneous limb sport mutation discovered on a ‘Topaz’ apple tree. ‘Red Topaz’ is distinguishable from its parent by its fruit. ‘Red Topaz’ has a solid red overcolor and matures about ten days earlier than ‘Topaz.’

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

1. We claim a new and distinct apple tree substantially as shown and described herein.

Read the full patent: US Plant Patent PP18895 in full — the complete specification, every figure, and the file history.