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The Doctrine Of Equivalents’ Application To Process Patents Through An Essential Element Test

Intellectual Property By 0

Delhi High Court dismisses Canva’s appeal against interim injunction for infringing RxPrism’s patent on interactive content system; upholds single judge’s prima facie findings on layered architecture, configurability, and doctrine of equivalents; emphasizes claim-centric analysis for infringement and validity, rejecting product-to-product comparisons and unsubstantiated prior art challenges;

Rejection of additional document in Commercial DIspute

Intellectual Property By 0

This judgment clarifies that under Order XI Rule 1(10) CPC, as applicable to commercial suits, “reasonable cause” for non-disclosure of documents with the written statement demands a genuine, specific explanation, with a lower proof threshold than “good cause” but mandating demonstration that documents were not in the defendant’s power, possession, custody, or control at filing; mere delay or post-appeal discovery without prior diligence does not suffice, reinforcing the Commercial Courts Act’s intent for vigilant, time-bound litigation over procedural leniency in ordinary suits.