US Plant Patent PP23329
Blizzard
Pearlbush plant named ‘Blizzard’
UNDER PATENT
Still under patent. Protection ends March 12, 2031.
Twenty years from the filing date would end on November 22, 2030. This patent earned 110 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23329
- Filed
- November 22, 2010
- Granted
- January 15, 2013
- Expires
- March 12, 2031
- Assignee
- UNIV NORTH CAROLINA STATE, RANNEY THOMAS G
- Inventor
- RANNEY THOMAS G
Abstract
‘Blizzard’ is a new pearlbush plant particularly distinguished by its compact habit, smaller plant height and width, larger flower diameter, and larger genome size.
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 pearlbush plant as described and shown herein.
Read the full patent: US Plant Patent PP23329 in full — the complete specification, every figure, and the file history.