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Doctrine of Equivalents in India: Beyond the “Essential Elements”

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Title Doctrine of Equivalents in India: Beyond the “Essential Elements”
 
Creator Bhar, Chandan
 
Subject Doctrine of Equivalents
Infringement by Equivalence
Indian Patenst Act
Chlorantraniliprole
CTPR
Rynaxypyr
CORAGEN
 
Description 27-32
To conform to the TRIPS Agreement, The Indian Patents Act 1975 has been amended several times to comply with the
global requirements. However, there is no clear directive in the statutes of the law as well as in the subsequent Court
opinions regarding the analysis of the infringement by equivalence factor. In Raj Parkash v Mangat Ram Chowdhry, 1977
the Court provided the analysis of “Pith and Marrow” in line of the British analysis. Thereafter in the new regime of the
patent law provides in Sotefin SA v Indraprastha Cancer Society, 2022 case the analysis of essential elements again. Now
the Court has come across the question of equivalence in case of the chemical invention, i.e., in the alleged infringement by
Natco, India for the preparation of the agrochemical Chlorantraniliprole or CTPR and thereby infringing the Indian Patent
298645 owned by FMC Corporation, Singapore. The Court applies the doctrine of equivalents to ascertain if there is an act
of infringement to FMC’s patent by analyzing the case beyond the essential elements of a claim and set forth a new method
of determination where the previous cases had fallen short of.
 
Date 2023-12-21T11:12:08Z
2023-12-21T11:12:08Z
2023-12
 
Type Article
 
Identifier 0975-1076 (Online); 0971-7544 (Print)
http://nopr.niscpr.res.in/handle/123456789/63061
https://doi.org/10.56042/jipr.v29i1.3245
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source JIPR Vol.29(1) [January 2024]