US Plant Patent PP16202
Radtko
Shrub rose plant named ‘Radtko’
PUBLIC DOMAIN
Patent expired October 1, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on June 23, 2024. This patent earned 100 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16202
- Filed
- June 23, 2004
- Granted
- January 10, 2006
- Expires
- October 1, 2024
- Assignee
- CP DELAWARE INC
- Inventor
- RADLER WILLIAM J
Abstract
A new and distinct variety of landscape shrub rose plant is provided which forms in abundance on a substantially continuous basis attractive double blossoms that are red in coloration and possess significantly more petals than the ‘Radrazz’ variety (U.S. Plant Pat. No. 11,836). The vegetation is vigorous and the growth habit is round and bushy. Attractive ornamental satiny green foliage is formed. Excellent disease resistance to blackspot is exhibited as well as very good winter hardiness. The new variety is particularly well suited for growing as distinctive ornamentation in the landscape.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of landscape shrub rose plant characterized by the following combination of characteristics: (a) abundantly and substantially continuously forms attractive double blossoms that are red in coloration and possess significantly more petals than the ‘Radrazz’ variety (U.S. Plant Pat. No. 11,836), (b) exhibits a round and bushy growth habit, (c) forms vigorous vegetation, (d) forms attractive ornamental green foliage with a satiny finish, and (e) exhibits excellent resistance to blackspot; substantially as herein shown and described.
Read the full patent: US Plant Patent PP16202 in full — the complete specification, every figure, and the file history.