Neurosurgical Robotics Patent Snapshot 2026
Neurosurgical robotics is a nascent but accelerating field, with a concentrated roster of early movers — all of whom entered within the last few years — and the bulk of activity anchored in surgical guidance and robotic surgery execution under the A61B class. The field is still expanding on a multi-year basis, though annual volume eased from its 2023 peak and the most recent years carry additional undercount from publication lag.
A highly concentrated field led by a handful of early entrants
The neurosurgical robotics corpus stands at 8 patent families in scope, with the top five filers — Tamar Robotics Ltd, Perspective Technologies LLC, Restoration Robotics Inc, Beijing Tiantan Hospital, and Harbin Institute of Technology — accounting for 80% of the combined output of the ranked applicants visible in this query. This level of concentration is characteristic of an early-stage field where pioneer filings are visible in and the assignee snapshot has not yet broadened.
The top three applicants are tied at 2 patent records each, with no single entity holding a commanding lead. Below them, four applicants each hold 1 patent record, suggesting a shallow but widening tier of entrants rather than a clear incumbent defending deep IP.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Tamar Robotics Ltd | 2 | |
| 2 | Perspective Technologies LLC | 2 | |
| 3 | Restoration Robotics Inc | 2 | |
| 4 | Beijing Tiantan Hospital Affiliated to Capital Medical University | 1 | |
| 5 | Harbin Institute of Technology | 1 | |
| 6 | Yanshan University | 1 | |
| 7 | Yang Guang | 1 |
The near-parity among leaders implies that no single organization has yet established a visible IP position, creating potential for fast followers to compete effectively — particularly if they focus on adjacent branches where coverage is currently sparse.
The most recent 18–24 months of data are systematically undercounted due to patent publication lag; the apparent quieting after 2023 should not be read as a slowdown in actual inventive activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Rapid multi-year growth concentrated in surgical guidance technologies
The annual filing trend and technology composition charts together reveal a field that activated sharply from 2021 onward and is anchored overwhelmingly in the A61B surgical diagnosis-and-surgery branch.
Annual filing trend
Filings were flat from 2017 through 2020, then began climbing in 2021 and reached a visible peak in 2023 before easing. The three-year recent window sits well above the prior three-year window, indicating genuine multi-year growth of 500% on that basis. The 2024–2026 bars should be treated as provisional — publication lag will cause them to revise upward as more applications are published.
↗ Hover for values · click a bar to ask EurekaTechnology composition
A61B (Diagnosis & Surgery) is visible in the branch mix, consistent with a field focused on robot-assisted surgical instrumentation and navigation. A61F (Implants & Prostheses), A61M (Devices for Body Fluids), and A61N (Electrotherapy & Radiation Therapy) each account for a small share, signalling that coverage in fluid-delivery, stimulation, and implant-integration contexts remains thin.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
System and method of using surgical navigation and…
A system includes a controller configured to receive three dimensional (3D) imaging input and feedback and generate output, the 3D imaging input including real-time or pre-processed data of a magnetic resonance imaging (MRI)/computerized tomography (CT) scan, the controller interfacing with a stereotactic robot. (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | 磁共振兼容脑深部电极植入机器人 | 1 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
Tamar Robotics Ltd
Tamar Robotics Ltd leads the ranking with 2 patent records, focused on A61B 17 (surgical instruments) and A61B 34 (robotic surgery). The company is flagged as a new entrant with all activity in the recent window, indicating an aggressive early filing posture rather than a legacy portfolio.
patent records: 2Perspective Technologies LLC
Perspective Technologies LLC holds 2 patent records with focus on A61B 34 (robotic surgery) and A61B 90 (surgical navigation and guidance). Also a new entrant in the recent window, its emphasis on surgical guidance and navigation places it in a slightly different sub-branch from Tamar Robotics, suggesting potential for differentiated positioning.
patent records: 2Frequently asked questions
The analysis covers 8 patent families in scope. This is a small but rapidly growing corpus — the field only began generating consistent filings from 2021 onward.
Tamar Robotics Ltd and Perspective Technologies LLC are tied at the top of the ranking alongside Restoration Robotics Inc, each with 2 patent records. All three entered the corpus as new entrants in the recent filing window.
A61B (Diagnosis & Surgery) is visible in the technology composition, covering surgical instrumentation, robotic surgery execution, and surgical navigation. Adjacent classes — A61F, A61M, and A61N — each have very limited coverage.
China leads with 4 patent records, followed by Canada and WIPO (PCT) with 2 each, and Europe (EPO) and the United States with 1 each. The presence of PCT and EPO filings indicates that at least some applicants are pursuing international protection.
The field is classified as Growth. The recent three-year filing window sits well above the prior three-year window, reflecting a 500% increase on that basis. Annual volume eased from a 2023 peak, but the most recent years are further understated by publication lag, so the underlying pace of invention is likely higher than the raw counts suggest.
The two sparsest adjacent branches are A61M (devices for body fluids, such as robotic fluid management and CSF shunting) and A61N (electrotherapy and radiation therapy, including robotic-assisted deep-brain stimulation and stereotactic radiosurgery guidance), each with only 1 patent record. These are observations of relative sparsity with plausible technical connections to the visible surgical-robotics core.
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Disclaimer. This page is generated from PatSnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
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