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…
In this post, we bring to you Important Patent Cases decided by Indian Courts in year 2021
FMC Corporation & ANR. vs Natco Pharma Limited
In this comprehensive judgment with respect to grant of interim injunctions involving a patent relating to “Chlorantraniliprole” (also known as CTPR), the Delhi High Court rejected a valiant effort by the defendant based on several grounds under the patent law. The Court refused to grant permission to the defendant to manufacture and sell the insecticide during…
Merck Sharp And Dohme Corp & ANR vs YMS Laboratories Private Limited
In this case, the plaintiff, owner of patents pertaining to Sitagliptin and its derivative salts, filed an infringement suit against the defendant. The plaintiff prayed for an Ad Interim Injunction during the pendency of the suit. After reviewing the facts presented, the Court granted an Exparte Ad Interim Injunction as the plaintiff made out a prima facie case. The plaintiff in the case submitted evidence to show that…