Facts (with Timeline):
i) FMC Corporation and FMC Agro Singapore Pte. Ltd. (collectively referred to as “Plaintiffs”) were assigned Indian Patent No. 298645 (suit patent/IN’645) titled “Method for preparing N-Phenylpyrazole-1-Carboxamides.”
ii) The suit patent disclosed a novel method for preparing anthranilic diamide insecticide compounds. The claimed method involves combining:
a carboxylic acid compound of Formula 2,
an aniline compound of Formula 3, and
a sulfonyl chloride,
to prepare a compound of Formula 1 (Chlorantraniliprole (CTPR)).
iii) The Plaintiffs brought…
