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The Patent Garden

US Plant Patent PP36594

Treasure Trove

Rudbeckia plant named ‘Treasure Trove’

UNDER PATENT

Still under patent. Protection ends November 22, 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 PP36594, the photograph of Treasure Trove printed in the patent.
Figure 1 from US Plant Patent PP36594, 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
PP36594
Filed
November 22, 2024
Granted
April 8, 2025
Expires
November 22, 2044
Inventor
HANSEN HANS A

Abstract

The new and distinct hardy perennial plant, Rudbeckia ‘Treasure Trove’, has dense, rounded, mound habit with extensively-branched, predominately strong upright stems. Freely flowering habit beginning in early summer and continuing for about 6 to 7 weeks and repeating if deadheaded. Clean foliage shows significant resistance to Angular Leaf Spot and Septoria fungal leaf spot diseases. Inflorescences are in a capitulum with a single row of golden-yellow ray florets and central disk florets of greyed-purplish coloration. The new plant has a strong garden performance and is useful in the landscape en masse, as an accent, in containers or as cut flowers.

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 hardy perennial Rudbeckia plant named ‘Treasure Trove’ essentially as herein described and illustrated.

Read the full patent: US Plant Patent PP36594 in full — the complete specification, every figure, and the file history.