The Delhi High Court’s decision in Crystal Crop Protection Limited v. Safex Chemicals India Limited & Ors.[1] offers insights into determining patent infringement, focusing on the essentiality of claimed elements, the application of the Doctrine of Equivalents, and the implications of Prosecution History Estoppel. The judgment highlights the importance of claim construction, and the binding nature of representations made during patent prosecution.Continue Reading Decoding Patent Infringement: Essential Elements, Equivalents, and Estoppel in Crystal Crop Protection v. Safex Chemicals