US Plant Patent PP16712
Nima
Citral rich high yielding lemongrass plant ‘Nima’ of Cymbopogon flexuosus
PUBLIC DOMAIN
Patent expired April 27, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on March 31, 2023. This patent earned 27 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16712
- Filed
- March 31, 2003
- Granted
- June 27, 2006
- Expires
- April 27, 2023
- Assignee
- COUNCIL SCIENT IND RES
- Inventor
- LAL RAJ KISHORI; MISRA HARI OM; SHARMA JAWAHAR RAM; SINGH NILAKSHI; SHASANY AJIT KUMAR; NAQVI ALI ARIF; BAHL JANAK RAJ; PRASAD ARUN; KHANUJA SUMAN PREET SINGH
Abstract
A new and distinct high essential oil variety of lemongrass ( Cymbopogon flexuosus ) is named ‘Nima’. Further, the invention relates to the high content of the monoterpene citral in the essential oil. This novel variety ‘Nima’ of lemongrass is a selection from the open pollinated seedlings of the seeds obtained from another Cymbopogon flexuosus variety OD 19 from the germ plasm collection of CIMAP. This variety is propagated through vegetative means using the slips and is stable for commercial cultivation.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A plant as described and illustrated herein, said plant being a lemongrass ( Cymbopogon flexuosus ) having the following characteristics: a) greenish upper surface (137B), greenish lower surface (137A) purple violet (80C) florets, and rudimentary culms supporting the leaves in whorls, b) yield of biomass of 250 to 300 q/ha/year and yield of oil of 220 to 260 kg/ha/year, c) citral content of the oil of 85 to 90%, d) produces an essential oil having a monoterpene content of: 85.0 to 90.0% citral, 0.1 to 0.5% limonene, 0.1 to 0.5% linalool, 1.0 to 2.0% geraniol, 0.5 to 1.5% geranyl acetate in addition to other unidentified monoterpene fractions totaling to 100%.
Read the full patent: US Plant Patent PP16712 in full — the complete specification, every figure, and the file history.