Surgical Robotics Patents: Who Leads, Where the Gaps Are 2026
- Filing has cooled since the 2021 peak. 316 families published that year against 239 in 2017, with the count easing back toward 281 by the midpoint year of 2022 — a maturing rather than expanding claim space.
- The US receives more filings than any other office by a wide margin. 988 records route through the United States, versus 469 at the EPO and 377 in China, ahead of 218 PCT filings and 140 in the UK.
- Momentum is fading even among the most active recent filers. The leading assignees by recent-year activity are each posting steep year-on-year declines, several down 60-100%, pointing to a cohort consolidating around existing claims rather than expanding them.
What this landscape covers
This landscape tracks patent families filed against surgical robot, robotic surgery system and robotic surgical instrument terminology, narrowed to filings that also address dexterity, force feedback, instrument articulation, registration or sterile barrier claim language, and classified under A61B34, B25J9 or A61B17. The dataset spans publication years 2015 through the 2026 cut-off and holds 2,662 published records, each treated as a distinct patent family for ranking purposes.
Because publication typically lags filing by around 18 months, the most recent one or two years in any trend chart will always understate actual filing activity — that softening is partly an artifact of the pipeline, not only a market signal.
Filing trends and technology composition
The annual filing curve and the IPC spread below show where claim activity concentrates and where it has started to soften.
A 2021 peak followed by a gradual pullback
Filings rose from 239 in 2017 to a peak of 316 in 2021, eased to 281 by 2022, and continue trending down toward the partial-year 2026 figure of 18 — consistent with a technology area where core claim territory is increasingly staked out rather than newly opened.
A61B and B25J dominate the classification spread
A61B (diagnosis and surgery) covers all but a handful of the 2,662 records, and B25J (manipulators and robots) appears in 493 of them, confirming this is fundamentally a mechanical-manipulator field wrapped in surgical procedure claims. Smaller but notable clusters sit in G06T image processing (122), A61F implants (97), A61M fluid-handling devices (89) and G16H healthcare informatics (88), marking where robotics claims increasingly overlap with imaging, prosthetics and data software.
Shares are the percentage of the 2,662 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Surgical Robotics Systems with Eureka
This page is one run against one query. Ask Eureka your own question about surgical robotics systems and every answer comes back with the patent numbers behind it.
Try EurekaThe most-cited records and a representative recent filing
Sterile barrier assembly and robotic surgery system (US20230070830A1)
The application describes a robotic surgery system built around a sterile barrier assembly separating a non-sterile robotic manipulator from the sterile field. A surgical drape connector couples to the manipulator case, a sterile adapter couples to a rolling body inside that case, and a roll motor drives the rolling body and adapter together in a pivoting movement relative to the case, with a defined gap maintained across the barrier.Filed by Medical Microinstruments, Inc.; published 2023-03-09.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US8241271B2 | Robotic surgical instruments with a fluid flow control system for irrigation, aspiration, and blowing | 2,108 |
| 2 | US6788018B1 | Ceiling and floor mounted surgical robot set-up arms | 2,046 |
| 3 | US9050120B2 | Apparatus and method of user interface with alternate tool mode for robotic surgical tools | 1,482 |
| 4 | US20180168592A1 | Shaft assembly comprising a clutch configured to adapt the output of a rotary firing member to two different … | 1,449 |
| 5 | US9002518B2 | Maximum torque driving of robotic surgical tools in robotic surgical systems | 1,435 |
| 6 | US20190201137A1 | Method of robotic HUB communication, detection, and control | 1,393 |
| 7 | US9820768B2 | Ultrasonic surgical instruments with control mechanisms | 1,390 |
| 8 | US20180168589A1 | Method for attaching a shaft assembly to a surgical instrument and, alternatively, to a surgical robot | 1,245 |
| 9 | US9370400B2 | Clip applier adapted for use with a surgical robot | 1,245 |
| 10 | US9895813B2 | Force and torque sensing in a surgical robot setup arm | 1,191 |
Citation counts favour older records simply because they have had longer to accumulate citations within the searched corpus — read them as a signal of influence on subsequent filers, not as a ranking of current commercial relevance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Three patterns stand out once the raw counts are set against filing year, jurisdiction and classification.
The US remains the primary battleground
Nearly twice as many families route through the US as through the EPO, and more than twice as many as through China. Combined with 140 UK and 218 PCT filings, protection strategy in this field still centers on US enforcement first, with Europe and China as secondary but substantial fronts.
Mechanical claims still anchor the field
Against 2,649 A61B records, the 493 B25J filings show that manipulator and kinematic-chain claims remain a distinct, heavily worked layer beneath the surgical-procedure framing, rather than an incidental classification.
Recent activity is contracting even among active filers
Assignees with any filings in the latest year are nearly all showing sharp year-on-year declines. That is consistent with core claim territory already staked out and with the publication lag understating true 2025-2026 activity, but it also signals fewer newly opened claim fronts among incumbents.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to surgical robotics systems, with the prior art for and against each one.
| Assignee | Co-assignee | Shared families |
|---|---|---|
| CMR Surgical Limited | MARSHALL KEITH | 4 |
| Intuitive Surgical Operations, Inc. | Siemens Healthineers GmbH | 4 |
| Medical Microinstruments, Inc. | MEDICAL MICROINSTR SRL | 4 |
| Intuitive Surgical Operations, Inc. | BRISSON GABRIEL F | 1 |
Only four co-assignee pairs appear in the dataset, each with just four shared filings, indicating that most work here is filed by a single entity rather than through joint development arrangements.
Who is filing, and where the claim space is thinner
Recent-year momentum favors none of the historically active filers strongly; the more informative signal is where classification density thins out.
CMR Surgical
CMR Surgical posts the smallest year-on-year decline among the assignees with any latest-year activity, and appears in the dataset's strongest co-assignee pairing alongside an individual inventor, suggesting continued incremental filing rather than a new platform push.
Medical Microinstruments
The representative recent filing in this dataset comes from Medical Microinstruments, focused specifically on sterile barrier and drape-interface mechanics rather than broad manipulator claims, a narrower but persistently active niche.
Intuitive Surgical
The single most-cited record in the corpus, on fluid flow control for irrigation and aspiration in robotic instruments, together with several other top-cited records, traces back to the incumbent whose early claims still shape how later filers draft around irrigation and tool-mode features.
| Assignee | Recent year | YoY |
|---|---|---|
| CMR Surgical Limited | 2 | -60% |
| Marco Surgical, Inc. | 2 | -88% |
| Globus Medical, Inc. | 1 | -92% |
| Intuitive Surgical Operations, Inc. | 0 | -100% |
| Asensus Surgical, Inc. | 0 | — |
| Covidien LP | 0 | -100% |
| Cambridge Medical Robotics Limited | 0 | — |
| Medical Microinstruments, Inc. | 0 | -100% |
Where to take this analysis
The trend and ranking data point to a field with occupied core claims and a few thinner adjacent branches; the next step is usually to test a specific claim idea against this prior art rather than read further summaries.
Check freedom-to-operate on a specific mechanism
Run a candidate claim — a sterile-interface detail, a force-feedback calibration step, a registration method — against the full family set behind this landscape rather than the top-cited subset alone.
Explore in Patsnap EurekaTrack the incumbents losing momentum
Several of the historically active assignees show sharp year-on-year declines; watching their next 12-18 months of filings (once the publication lag clears) will show whether that is a pause or a platform shift.
Set up assignee monitoring in Patsnap EurekaCommon questions about surgical robotics patents
The single most-cited record in this dataset is US8241271B2, covering a fluid flow control system for irrigation, aspiration and blowing in robotic surgical instruments, with 2,108 citations. It is followed closely by US6788018B1 on ceiling and floor mounted surgical robot set-up arms, at 2,046 citations. Both are older filings, and citation counts in any searched corpus naturally favor records that have had more years to accumulate citations, so treat these as markers of foundational influence rather than a ranking of the most commercially relevant patents today.
Not at the rate it once was. Filings rose from 239 in 2017 to a peak of 316 in 2021, then eased to 281 by 2022 and continue trending downward toward the partial 2026 figure. Because publication lags filing by roughly 18 months, the last one to two years in any such chart will always look softer than the true underlying activity, but the multi-year direction from 2021 onward is a genuine decline, not just a reporting artifact.
The United States is the dominant receiving office in this dataset with 988 records, roughly twice the volume filed at the European Patent Office (469) and well ahead of China (377). WIPO PCT filings account for 218 records and the UK for 140, and India for 118, indicating that most applicants still prioritize US protection first before extending coverage internationally through PCT or direct national filings.
Beyond the core A61B surgery classification, which covers nearly the entire corpus, B25J manipulator and robotics claims appear in 493 records, confirming that mechanical arm and kinematic design remains a heavily worked layer. Smaller but meaningful overlaps exist with G06T image processing (122 records), A61F implants (97), A61M fluid-handling devices (89) and G16H healthcare informatics (88), showing where robotics claims increasingly intersect with imaging, prosthetics and clinical software.
The thinner classification clusters point to the openings: sterile-barrier and drape-interface mechanics, force-feedback calibration during tool exchange, and registration methods that fuse imaging data with navigation are all present but far less densely claimed than the core manipulator and procedure space. A first claim in these areas would need to tie a specific mechanical or calibration step to a named clinical outcome to differentiate from the dense prior art around general robotic arm and instrument-articulation claims.
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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.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.