US Plant Patent PP29977
MANKAI
Wolffia plant named ‘MANKAI’
UNDER PATENT
Still under patent. Protection ends December 22, 2036.
Twenty years from the filing date would end on August 30, 2036. This patent earned 114 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP29977
- Filed
- August 30, 2016
- Granted
- December 11, 2018
- Expires
- December 22, 2036
- Assignee
- HAI JACOB, HINOMAN LTD
- Inventor
- HAI JACOB
Abstract
A new and distinct Wolffia Globosa plant that exhibits fast vegetative propagation, an ovoid shape, and is neutral in taste.
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 Wolffia Globosa plant substantially as shown and described herein.
Read the full patent: US Plant Patent PP29977 in full — the complete specification, every figure, and the file history.