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US Plant Patent PP36538

WW Warren

Red maple tree named ‘WW Warren’

UNDER PATENT

Still under patent. Protection ends May 14, 2044.

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 PP36538, the photograph of WW Warren printed in the patent.
Figure 1 from US Plant Patent PP36538, 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
PP36538
Filed
May 14, 2024
Granted
March 11, 2025
Expires
May 14, 2044
Inventor
WARREN KEITH S

Abstract

A new variety of red maple with a unique combination of characteristics, combining a fast growth rate tightly fastigiate branching habit. an extremely narrow to columnar form, small leaves with long acuminate tips that produce a delicate appearance, and bright red fall color.

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

I claim: 1. A new and distinct variety of red maple tree named ‘WW Warren’. substantially as illustrated and described herein.

Read the full patent: US Plant Patent PP36538 in full — the complete specification, every figure, and the file history.