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ARTICLE · 18 MARCH 2019

Expert Evidence Is Essential For A Patent Challenge

The Madras High Court earlier this year rejected a writ petition filed against a patent owned by Kibow Biotech Inc. for a dietary supplement that aids in the carrying out of the kidney function

IndiaIntellectual Property

The Madras High Court earlier this year rejected a writ petition filed against a patent owned by Kibow Biotech Inc. for a dietary supplement that aids in the carrying out of the kidney function, for reasons, among others, that there was no expert evidence led to support the case. The validity of the patent was challenged primarily under Section 3(e) of the Patents Act, i.e., on grounds that it was "a substance obtained by a mere admixture resulting only in the aggregation of the properties of the components thereof or a process for producing such substance".

Writs in patent cases

The patent had already travelled through the chain of authority in the patent office, and the Intellectual Property Appellate Board (IPAB). Formal charges of revocation had already been examined and decided against the petitioner and in favour of the patent holder by the appropriate forum. The petitioner filed a writ petition (La Renon Health Care Pvt., Ltd. vs. UOI and others, WP 1219 of

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