Patenting Quantum Computing Innovations – Part 5: Shor’s Algorithm and Conclusions
quantumcomputingreport.com Oct 9, 2026

Patenting Quantum Computing Innovations – Part 5: Shor’s Algorithm and Conclusions

AI-summarised brief · reviewed before publication

The article explains Shor’s algorithm, a quantum method that factors large integers by reducing the problem to period finding via quantum phase estimation and an inverse Fourier transform. It outlines the algorithm’s steps—preparing superpositions, modular exponentiation, phase estimation, and classical post‑processing—to efficiently compute prime factors, thereby threatening RSA encryption. The piece discusses patent eligibility, noting that the algorithm’s mathematical nature may render it abstract and ineligible under current law, though practical implementation details could influence a PTO decision.

💡 Why It Matters

  • · The potential patentability of Shor’s algorithm directly affects the future of quantum‑driven cryptanalysis and the legal landscape surrounding quantum computing innovations.