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The eligibility of entanglement swapping for patent protection hinges on whether the process is viewed as a fundamental natural law or a specific technical implementation involving quantum repeaters. This distinction is critical for developers aiming to secure intellectual property rights for long-distance quantum communication networks and secure key distribution protocols. The analysis clarifies how legal challenges regarding abstractness could impact the commercialization of foundational quantum infrastructure.

Sources coveringQuantum Computing Report, The Quantum Insider

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Patenting Quantum Computing Innovations – Part 4: Entanglement Swapping

Quantum Computing ReportOctober 2, 20264 min read

In part four of our five part series on quantum patents, Sinan Utku discusses the arguments both for and against the patent eligibility as an invention of entanglement swapping. The post Patenting Quantum Computing Innovations – Part 4: Entanglement Swapping appeared first on Quantum Computing Report.

Entanglement swapping is a quantum process in which two particles that have never interacted become entangled. This is achieved by performing a Bell-state measurement on one particle from each of two independent entangled pairs. The measurement projects the remaining two particles—those not directly measured—into an entangled state, conditioned on the measurement outcome. This technique enables entanglement to be extended across larger distances by linking shorter entangled segments. While entanglement swapping…

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