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Delhi HC Weighs In on Section 3(k) Patentability Issues
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Delhi HC Weighs In on Section 3(k) Patentability Issues

May 22, 2026

In a recent ruling, the Delhi High Court addressed complexities related to Section 3(k) of the Patents Act, revealing the ongoing confusion and need for clarity in patentability standards.

Clarifications Needed: Delhi HC's Ruling on Section 3(k) of Patents Act

The Delhi High Court delivered another decision shedding light on the patentability criteria under Section 3(k) of the Indian Patents Act, which pertains to mathematical methods and business methods. The ruling emerges from an ongoing discourse about the ambiguities surrounding this provision and its application in patent cases.

The court opined that despite prior guidelines released in 2025, the scope of Section 3(k) remains unclear. This vagueness has resulted in varied interpretations within the legal and patent communities, leading to inconsistency in patent grant decisions.

Practitioners in the field of intellectual property law should take note of this ruling as it underscores the pressing need for a consistent and clarifying legal framework for Section 3(k), which could influence the outcomes of numerous pending patent applications and litigation matters.

Citations

  • Blackberry v. Controller (2026) Delhi HC
Practice Areas:intellectual_property