Soft Robotics Patents: Who Leads, Where the Gaps Are 2026
- Concentrated at the top. The five most active assignees hold 30.1% of all 236 records in scope, and the leading ten hold 45.8% — a field with a defined core group rather than a flat field of single filers.
- Filing has pulled back from its peak. Complete-year filings fell 41% from 2021 (27) to 2024 (16); 2025 and 2026 figures are still filling in as publications catch up with filing dates.
- Manipulators dominate the claim language. B25J (manipulators & robots) appears in 47.0% of records, more than three times the next-largest class, G05B control systems at 14.4%.
Filing growth compares 2021 (27 records) with 2024 (16) — a three-year span. 2024 is the most recent year we treat as complete: publication lags filing by roughly 18 months, so 2025 onwards are still filling in and any growth rate that ends there would understate the field. Top-5 share is the combined record count of the five largest assignees divided by all 236 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This dataset tracks 236 published records at the intersection of soft robotics — actuators, compliant grippers, elastomer-based mechanisms — and the control problem around them: position estimation, motion trajectory, environment sensing and collision avoidance. The search string requires both the mechanical concept and a control or sensing element, so it captures soft robotics as an engineering discipline rather than as a materials-science curiosity.
Filing is spread across multiple receiving offices with the United States as the largest single office, followed by WIPO's PCT route, India, Europe, Japan and Germany. That spread suggests soft robotics applicants are filing for global protection through PCT rather than relying on any one national office, consistent with a technology still being positioned across markets.
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Filing trends and technology composition
Two views of the same 236 records: how filing activity has moved year over year, and which IPC subclasses carry the claim language.
Filing trend, 2017–2026
Filings rose from 8 in 2017 to a peak of 31 in 2025 before the most recent (partial) year. The complete-year window shows a decline of 41% from 27 filings in 2021 to 16 in 2024 — read the 2025 and 2026 figures as provisional, since publication typically lags filing by around 18 months.
IPC subclass composition
B25J (manipulators & robots) covers 47.0% of the 236 records, well ahead of G05B control systems (14.4%) and A61B diagnosis & surgery (12.3%). Because a single record can carry several IPC codes, these shares sum to more than 100% of the record total — they describe overlap, not a partition.
Shares are the percentage of the 236 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Soft Robotics Patent Landscape with Eureka
This page is one run against one query. Ask Eureka your own question about soft robotics patent landscape and every answer comes back with the patent numbers behind it.
Try EurekaMost-cited records and a representative filing
Fluidic elastomer actuator-based mechanical control systems for vehicle door handles (US11486173B2)
Toyota's filing describes a processor that detects an approaching person and, on determining an intent to open the door, drives a soft robotics material enclosing the door handle from a rest state into an in-use state through one or more stimuli — presenting a smooth, flush handle surface only when needed.Filed by Toyota Jidosha Kabushiki Kaisha, published 2022-11-01.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20080302200A1 | Modular hybrid snake arm | 308 |
| 2 | US20180296281A1 | Automated steering systems and methods for a robotic endoscope | 212 |
| 3 | US5761940A | Methods and apparatuses for backgaging and sensor-based control of bending operations | 86 |
| 4 | US20140318118A1 | Flexible robotic actuators | 81 |
| 5 | WO2013110086A1 | Flexible robotic actuators | 65 |
| 6 | US8414246B2 | Modular hybrid snake arm | 56 |
| 7 | US20140090506A1 | Modular hybrid snake arm | 54 |
| 8 | US20170106542A1 | Robot and method of controlling thereof | 45 |
| 9 | US20110071679A1 | Embedded diagnostic, prognostic, and health management system and method for a humanoid robot | 45 |
| 10 | US20200346792A1 | Picking, placing, and scanning bagged clothing and other articles | 43 |
Citation counts accumulate over time, so older records such as the 2008 modular hybrid snake arm filing lead the table by volume of citations received — treat this as a measure of influence within the searched corpus, not of current commercial relevance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Browse MCP servers →What the numbers mean for filing strategy
Four read-throughs from the filing trend, the IPC composition and the concentration figures above.
A defined core, not a flat field
Five assignees account for just under a third of all records, and the top ten climb to 45.8%. That leaves the remaining majority spread across a long tail of single- and low-volume filers, which is where freedom-to-operate work tends to find the most room to move.
Read the pullback carefully
The drop from 27 filings in 2021 to 16 in 2024 is real within the complete-year window, but 2025 already shows 31 filings recorded — likely reflecting the normal 18-month lag between filing and publication rather than a genuine slowdown. Treat 2025-2026 counts as still filling in.
Mechanism claims dominate
Manipulator and gripper mechanics carry roughly three times the record share of the next class, G05B control systems. Surgical and physical-therapy applications (A61B, A61H) together still touch a meaningful share of filings, pointing to medical devices as a persistent secondary claim target.
PCT is the second-largest route
WIPO's PCT office receives the second-largest share of filings after the United States, ahead of India, Europe, Japan and Germany individually. That pattern is typical of applicants seeking to preserve international options before committing to national phase.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to soft robotics patent landscape, with the prior art for and against each one.
Who is filing, and where the field is still open
The ranked leaders sit alongside university and industrial labs; a long tail of single-digit filers occupies the rest of the 100-company ranking.
A clear single leader
The top-ranked assignee holds more than double the fifth-place count of 9, suggesting a sustained, focused filing program rather than opportunistic single filings.
A gradual, not a cliff-edge, drop-off
The gap from fifth to tenth place is modest — 9 down to 6 — indicating a genuine cluster of mid-size filers behind the leader rather than a sharp fall to single-digit outliers.
University-industry pairing leads co-filing
The strongest co-assignee link in the dataset pairs a university research body with an industrial electronics group, pointing to applied-research collaboration as a route some assignees use to share development cost and risk on actuator and control claims.
| Assignee | Recent year | YoY |
|---|---|---|
| Soft Robotics Inc | 0 | — |
| The Regents of the University of California | 0 | — |
| AMTOS SOLUTIONS D O O | 0 | — |
| Palo Alto Research Center Incorporated | 0 | — |
| Sandvik Intellectual Property AB | 0 | — |
| Rolls-Royce plc | 0 | — |
| Siemens AG | 0 | — |
| Franka Emika GmbH | 0 | — |
Where to take this analysis
The dataset points to specific follow-up work depending on whether the question is freedom-to-operate, whitespace, or competitive tracking.
Run a freedom-to-operate check on B25J claims
With manipulator and gripper mechanics covering 47.0% of records, a new actuator design is more likely to intersect existing claims here than in any other class — worth a focused clearance search before committing to a mechanism.
Explore claim scope in EurekaTrack the mid-table cluster, not just the leader
The gradual drop from fifth to tenth place suggests several assignees are building programs in parallel; watching their filing cadence over the next few publication cycles will show who is accelerating once the 2025-2026 lag clears.
Set up assignee monitoring in EurekaTest claims against the under-claimed branches
Additive manufacturing and vision-guided gripper control show thinner filing density than the core mechanism classes — a reasonable place to scope a first claim before the space fills in.
Draft claim scope in EurekaCommon questions about the soft robotics patent landscape
The dataset's top-ranked assignee holds 22 records out of 236 in scope, noticeably ahead of the fifth-place assignee at 9. The top five assignees combined hold 30.1% of all records, and the top ten hold 45.8%, so filing is concentrated but not dominated by a single company. Beyond the top ten, the remaining share is spread across a long tail of the 100 ranked assignees, many with only a handful of filings each.
Complete-year data shows filings fell 41% from 27 in 2021 to 16 in 2024, which looks like a slowdown at first glance. However, publication typically lags filing by around 18 months, so 2025 and 2026 counts are still incomplete and should not be read as a real decline yet. The honest read is that 2024 is the last fully settled year, and the true 2025-2026 trend will only be clear once later publications catch up.
B25J, covering manipulators and robots generally, appears in 47.0% of the 236 records and is by far the largest class. G05B (control and regulating systems) and A61B (diagnosis and surgery) follow at 14.4% and 12.3% respectively, showing meaningful overlap into medical device applications. Smaller but notable classes include B23Q (machine tool fittings), A61H (physical therapy), B33Y (additive manufacturing) and B29C (plastics shaping), reflecting how soft robotics claims cut across manufacturing and healthcare uses as well as core mechanics.
The smaller IPC classes relative to the dominant B25J and G05B codes — additive manufacturing (B33Y at 5.5%), image processing (G06T at 5.5%) and plastics shaping (B29C at 5.1%) — carry comparatively thin filing density and are worth scoping for a first claim. Vision-guided compliant gripper control and wearable physical-therapy actuator interfaces are two specific sub-areas that combine an under-filed technical angle with genuine commercial pull. Any whitespace assessment should still be checked against the most-cited records in the core classes before drafting, since citation strength there indicates where blocking prior art is most likely to sit.
US11486173B2, assigned to Toyota, covers a system where a processor detects an approaching person, determines their intent to open a vehicle door, and drives a fluidic elastomer actuator material enclosing the door handle from a rest state into an in-use state via applied stimuli. It blocks close implementations of that specific sensing-to-actuation sequence for vehicle door handles using soft robotics material, not soft actuators generally. Someone designing a similar presence-triggered compliant surface for automotive or other contexts should review its claim scope closely, since the abstract describes a fairly specific combination of intent detection, stimulus-triggered actuation and surface state change.
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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.