US Plant Patent PP26198
Lemon Rose
Begonia plant named ‘Lemon Rose’
UNDER PATENT
Still under patent. Protection ends July 18, 2034.
Twenty years from the filing date would end on December 5, 2033. This patent earned 225 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP26198
- Filed
- December 5, 2013
- Granted
- December 8, 2015
- Expires
- July 18, 2034
- Assignee
- KNOBLAUCH CATHERINE J
- Inventor
- KNOBLAUCH CATHERINE J
Abstract
A new cultivar of Begonia plant named ‘Lemon Rose’ that is characterized by compact rounded symmetrical habit, double flowers that are soft lemon-yellow in color and which develop apple blossom pink tones when exposed to full direct bright sun. ‘Lemon Rose’ blooms continually from early summer, exhibits dark mahogany foliage and prolific basal and lateral branching, is disclosed.
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 Begonia plant named ‘Lemon Rose’ as described and illustrated.
Read the full patent: US Plant Patent PP26198 in full — the complete specification, every figure, and the file history.