US Plant Patent PP23774
Meilaclost
Climbing rose plant named ‘Meilaclost’
UNDER PATENT
Still under patent. Protection ends March 14, 2032.
Twenty years from the filing date would end on March 11, 2031. This patent earned 369 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23774
- Filed
- March 11, 2011
- Granted
- July 30, 2013
- Expires
- March 14, 2032
- Assignee
- CP DELAWARE INC, MEILLAND ALAIN A
- Inventor
- MEILLAND ALAIN A
Abstract
A new and distinct variety of rose plant is provided which commonly commences blooming early in the season and forms abundantly and substantially continuously attractive yellow semi-double blossoms that tend to be flattened cup-shaped when fully open. A very strong climbing growth habit is displayed. Attractive dense decorative green foliage is formed having a semi-glossy upper surface. No particular disease problem has been observed. The new variety is particularly well suited for providing attractive colorful ornamentation when grown in the landscape.
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 rose plant characterized by the following combination of characteristics: (a) abundantly and substantially continuously forms attractive yellow semi-double blossoms that tend to be flattened cup-shaped when fully open, (b) exhibits a very strong climbing growth habit, (c) forms dense decorative green foliage with a semi-glossy aspect on the upper surface, and (d) is well suited for providing attractive colorful ornamentation when grown in the landscape; substantially as herein shown and described.
Read the full patent: US Plant Patent PP23774 in full — the complete specification, every figure, and the file history.