MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202617019991 A) filed by Quantum-Si Incorporated on February 20, 2026, for Protein Quantification, Tracking, And Identification Via Peptide Barcodes.

Inventors include Ribezzi-Crivellari, Marco; Hutchinson, Sebastian; Reed, Brian; and Lapointe, Christian, Francis.

The application for the patent was published on October 02, 2026, under issue no. 40/2026.

Abstract: The present disclosure provides methods and compositions for protein quantification using peptide barcodes, sample preparation for protein quantification, protein quantification using error-resistant peptide barcodes, methods to manipulate barcoded proteins, methods to determine the binding affinities of many protein variants in a mixture of proteins by single molecule measurements.

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