US Plant Patent PP34704
HISEA
Hydrangea plant named ‘HISEA’
UNDER PATENT
Still under patent. Protection ends March 7, 2042.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP34704
- Filed
- March 7, 2022
- Granted
- November 1, 2022
- Expires
- March 7, 2042
- Assignee
- VAN DIJK ROY ROBIN, HI BREEDING B V
- Inventor
- VAN DIJK ROY ROBIN
Abstract
A new and distinct cultivar of Hydrangea plant named ‘HISEA’, characterized by its upright and broadly spreading plant habit; compact, moderately vigorous growth habit and moderate growth rate; freely branching habit; strong and sturdy stems; dark green-colored leaves; freely flowering habit; large and dense inflorescences with purplish red to purplish pink-colored sterile flowers; and good post-production longevity.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct Hydrangea plant named ‘HISEA’ as illustrated and described.
Read the full patent: US Plant Patent PP34704 in full — the complete specification, every figure, and the file history.