US Plant Patent PP18651
STARBRIGHT
Philadelphus plant named ‘STARBRIGHT’
UNDER PATENT
Still under patent. Protection ends December 26, 2026.
Twenty years from the filing date would end on December 6, 2026. This patent earned 20 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP18651
- Filed
- December 6, 2006
- Granted
- March 25, 2008
- Expires
- December 26, 2026
- Assignee
- NICHOLLS WILF
- Inventor
- NICHOLLS WILF
Abstract
A new cultivar of Philadelphus plant named ‘STARBRIGHT’ that is characterized by bronzy-purple emerging foliage, compact size, dark purplish-black calyx and pure white flowers. In combination these traits set ‘STARBRIGHT’ apart from all other existing varieties of Philadelphus known to the inventor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Philadelphus plant named ‘STARBRIGHT’, as described and illustrated here within.
Read the full patent: US Plant Patent PP18651 in full — the complete specification, every figure, and the file history.