Quantum error correction

This invention

This invention is a quantum error correction system built on topological qubits and a surface-code architecture, designed to make quantum computing fault-tolerant. It continuously reads out "syndrome" information — the signals that reveal where errors are creeping into the qubits — in real time, then adapts its error-mitigation strategy on the fly. It sits squarely in fault-tolerant quantum computing, blending quantum hardware, error-correcting codes, and adaptive control logic to keep fragile quantum information stable long enough to be useful.

Where it fits

Your idea lives where several well-developed areas meet. Data Coding (H03M) shows up at roughly 72.7× the corpus baseline — a tightly clustered, focused area. Alongside it sits AI & Machine Learning (G06N) at about 45.8× baseline, reflecting how decoders and adaptive correction increasingly borrow learning techniques. Filing activity in this result set has climbed in recent years: 6 in 2022, 8 in 2023, and 9 in 2024. That growth signals a real, actively pursued direction rather than uncharted ground. Groups active nearby include International Business Machines Corporation, Microsoft Technology Licensing LLC, Intel Corporation, and Australian players NewSouth Innovations and QuCor. The field also touches Data Networking (H04L), though only lightly here.

Closest related work

US-11507875-B2 — Measurement-only majorana-based surface code architecture (Microsoft Technology Licensing LLC · 5 citations · 8-member family)

This patent describes a syndrome-measurement circuit that implements a surface code using Majorana qubit islands — a topological qubit approach very close in spirit to yours. It detects errors through a sequence of measurement-only operations involving at most two islands at a time. It shows how Microsoft married topological qubits with surface-code syndrome extraction, the same core combination your invention targets.

US-10692009-B2 — In-situ quantum error correction (Google LLC · 4 citations · 27-member family)

Google's patent focuses on continuously running, closed-loop error correction that optimizes qubit performance while the correction operates. It monitors error-detection output and feeds that information back as adaptive control. This is a strong parallel to your real-time syndrome extraction and adaptive error mitigation, showing how Google handled the feedback-and-adapt loop in a live quantum system.

US-12165013-B1 — Training neural network local decoders for circuit-level quantum error correction (Amazon Technologies Inc · 0 citations · 2-member family, filed 2024, recent)

This recent filing trains neural-network-based local decoders for surface codes, aiming for fast, low-latency decoding of circuit-level noise. It reflects the AI and machine learning thread running through this landscape and shows how Amazon approached the adaptive, learning-driven side of decoding syndromes — a useful reference for the adaptive error mitigation aspect of your concept.

US-11455207-B2 — Using flag qubits for fault-tolerant implementations of topological codes (International Business Machines Corporation · 6 citations · 3-member family)

IBM's patent arranges physical qubits in a lattice as data, ancilla, and flag qubits to implement topological codes while reducing frequency collisions. It offers a clear window into how IBM structures topological error correction at the qubit-layout level, complementing your surface-code and topological-qubit focus from a hardware-arrangement angle.

What you can do next

• Explore & build on it. Browse the related work above — new, differentiated ideas often come from combining or improving on existing approaches (a specific decoder architecture, qubit-island layout, syndrome-compression scheme, or adaptive-feedback mechanism others haven't pinned down).
• If you'd like to protect it. Filing a provisional application (usually with a patent attorney) is a common first step. Most inventions can be protected in some form — what matters is how broad and defensible that protection is, which is where a patent attorney adds value (a very narrow claim may be granted but protect very little).
• If you'd like to make or sell it. The patents above point to who holds rights in this space; if your product would use a protected approach, licensing is a path worth exploring.