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IP Case Law › Patents › Natera Inc. & Anr. v. The Assistant Controller of Patents an…

Patents Ragulika IP case note

Natera Inc. & Anr. v. The Assistant Controller of Patents and Designs

CourtDelhi High Court
BenchHon'ble Justice Prathiba M. Singh
Case numberC.A.(COMM.IPD-PAT) 16/2023
CitationC.A.(COMM.IPD-PAT) 16/2023
Judgment date9 October 2025
IP categoryPatents
PartiesNatera Inc. & Anr. (Appellants) v. The Assistant Controller of Patents and Designs (Respondent)

Relevant Acts and provisions

Patents Act, 1970

Section 10(4)Section 117ASection 2(1)(j)Section 2(1)(ja)Section 3(i)Section 59

Provisions considered: Sections 2(1)(j), 2(1)(ja), 3(i), 10(4), 59 and 117A of the Patents Act, 1970.

Brief facts

Natera Inc. and a co-applicant appealed against an order refusing a patent application for methods of lung cancer detection. Claims directed to tracking single-nucleotide variants associated with tumour mutations in individuals suspected of a specific carcinoma were refused as a diagnostic method under Section 3(i), and further claims restored after the hearing from the original international application were…

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Keywords

Biotechnology Claim Construction Patent Prosecution Section 3(i) Sufficiency Of Disclosure

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