Soft Robot Patent Landscape 2026
Soft Robot Patent Landscape in 2026
The soft robotics patent space spans 1,371 patent families and is concentrated at the top, with a small cluster of academic and commercial leaders controlling a substantial share of documented innovation. The field is still expanding on a multi-year basis, though annual volume has eased from its 2018 peak, and China has emerged as the dominant filing jurisdiction.
Harvard, Schmalz, and Soft Robotics Inc. lead a moderately concentrated field
President & Fellows of Harvard College holds the top position with 155 patent families, followed by Schmalz Flexible Gripping Inc. with 125 and Soft Robotics Inc. with 118. These three leaders form a distinct commercial and academic tier well ahead of the rest of the ranked applicants.
The top five filers account for 38% of the combined total across the hundred largest filers, signaling meaningful but not extreme concentration. A secondary academic cluster — including Harbin Institute of Technology, Zhejiang University, and several other Chinese universities — occupies the mid-tier, reflecting the breadth of institutional activity globally.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | PRESIDENT & FELLOWS OF HARVARD COLLEGE | 155 | |
| 2 | Schmalz Flexible Gripping Inc. | 125 | |
| 3 | Soft Robotics Inc. | 118 | |
| 4 | Harbin Institute of Technology | 43 | |
| 5 | Universal City Studios LLC | 38 | |
| 6 | Zhejiang University | 36 | |
| 7 | Regents of the University of California | 31 | |
| 8 | Jiangsu University | 28 | |
| 9 | SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION | 20 | |
| 10 | Massachusetts Institute of Technology | 19 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Omron Corporation | 19 | |
| 12 | Dongguan University of Technology | 18 | |
| 13 | Hangzhou Dianzi University | 17 | |
| 14 | Toyota Motor Corporation | 16 | |
| 15 | HUAZHONG UNIV OF SCI & TECH | 16 | |
| 16 | University of Dundee | 15 | |
| 17 | Tsinghua University | 15 | |
| 18 | Shenzhen University | 15 | |
| 19 | The Board of Trustees of the Leland Stanford Junior University | 15 | |
| 20 | Shanghai Jiao Tong University | 14 |
Harvard’s leadership reflects its foundational role in pneumatic and elastomeric actuator research, while Schmalz and Soft Robotics Inc. indicate that industrial gripper commercialization has driven significant IP activity. The academic depth of the mid-tier suggests ongoing upstream research that could yield commercially relevant filings in the near term.
Patent families published within the most recent 18–24 months are subject to publication lag and are likely undercounted; apparent softness in the most recent years should not be read as a real decline in activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Annual volume has plateaued near its 2018 peak; manipulator patents dominate the technology mix
The filing trend and technology composition charts together reveal a field that burst into activity around 2018 and has since maintained elevated but broadly stable output, while remaining heavily weighted toward robotic manipulation systems.
Annual filing trend
Annual filings peaked in 2018, then settled into a band roughly between 123 and 203 families per year through 2023. Figures for 2024, 2025, and 2026 reflect publication lag and should be treated as provisional lower bounds, not indicators of a real decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
The B25J class (manipulators and robots) dominates the technology mix by a wide margin, consistent with soft grippers and arms being the primary commercial application. F15B (fluid-pressure actuators) and B62D (vehicles and legged-robot locomotion) form a secondary tier, while medical, additive manufacturing, and AI-related classes remain materially smaller adjacent areas.
↗ 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.
Apparatus, systems, and methods for modular soft r…
Apparatus, systems, and methods for providing modular soft robots are disclosed. In particular, the disclosed modular soft robot can include a flexible actuator having a plurality of molded flexible units. Each molded flexible unit can include a mechanical connector configured to provide a physical coupling to another molded flexible unit, and the plurality… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Soft robotic actuators | 184 |
| 2 | Manufacturing within a single-use container | 147 |
| 3 | Soft robotic actuators utilizing asymmetric surfaces | 120 |
| 4 | Soft robotic grippers for cluttered grasping envir… | 105 |
| 5 | Soft robotic actuator attachment hub and grasper a… | 105 |
| 6 | 一种双通道软体手指及软体机器人 | 97 |
| 7 | Flexible and Stretchable Electronic Strain-limited… | 88 |
| 8 | Robotic Mobility and Construction by Growth | 84 |
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.
What the patent structure means for R&D investment decisions
The combination of a maturing filing curve, a concentrated leader tier, active cross-institutional collaboration, and. China’s dominant filing presence shapes the strategic context for new entrants and incumbents alike.
Field is at a plateau stage following a 2018 peak
Annual filings have plateaued near their peak, consistent with a technology entering the maturity phase. On a multi-year basis, the 7% recent-window growth figure confirms the field is still expanding, but the explosive ramp of 2017–2018 has not recurred. R&D teams entering now will encounter well-defended core claims in pneumatic actuation and flexible grippers, making differentiation through adjacent sub-fields more valuable than frontal competition.
Lifecycle: MaturityThree leaders hold a clear tier advantage; mid-tier is wide and academic
Harvard, Schmalz Flexible Gripping Inc., and Soft Robotics Inc. collectively represent the dominant commercial and academic cluster. The top five filers account for 38% of the hundred largest filers’ combined total, leaving meaningful room for challengers. The broad mid-tier of Chinese universities and international research institutions signals that technically productive but commercially underdeveloped IP exists that could be licensed or built upon.
Concentration: ModerateSoft Robotics Inc. and Zhejiang University anchor the most active co-filing networks
The most active co-filing pairs include Joshua Aaron Lessing with Soft Robotics Inc. (8 joint families) and Knopf Ryan Richard with Soft Robotics Inc. (8 joint families), indicating inventor-led spinout or co-development activity. Zhejiang University co-files with Yuyao City Robotics Research Center, Huanjiang Lab, and Zhejiang Lab (3–4 joint families each), reflecting a coordinated regional innovation cluster in eastern China. The Seoul National University R&D Foundation co-files with Samsung Electronics (4 joint families), signaling corporate-academic technology transfer in Korea.
Collaboration: ActiveChina leads filings; the US and Europe remain strategically critical
China accounts for the largest share of filing activity by jurisdiction, followed by the United States and Europe (EPO). WIPO and South Korea round out the top five jurisdictions, confirming that soft robotics is genuinely global in scope. For a market-entry or freedom-to-operate analysis, China and the US are the highest-priority jurisdictions, while the EPO filing volume indicates that European commercial protection is being actively pursued by leading players.
Geography: China-ledGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| LESSING JOSHUA AARON | Soft Robotics Inc. | 8 |
| KNOPF RYAN RICHARD | Soft Robotics Inc. | 8 |
| Zhejiang University | Yuyao City Robotics Research Center | 4 |
| Seoul National University R&DB Foundation | Samsung Electronics Co., Ltd. | 4 |
| Zhejiang University | Huanjiang Laboratory | 3 |
| Zhejiang University | Zhejiang Lab | 3 |
| Regents of the University of California | Georgia Tech Research Corporation | 3 |
| Zhejiang University | Zhejiang University Zhoushan Ocean Research Center | 2 |
| Seoul National University R&DB Foundation | Korea Institute of Industrial Technology | 2 |
| Seoul National University R&DB Foundation | Hanyang University ERICA Industry-Academic Cooperation Foundation | 2 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Harvard anchors foundational actuator research; Soft Robotics Inc. and Schmalz lead commercial gripper IP
The leader tier divides into a foundational academic pole at Harvard and two commercially oriented gripper specialists. Their technology emphases and recent momentum differ materially, creating distinct positioning.
President & Fellows of Harvard College
Harvard holds the largest portfolio with 155 patent families, concentrated in B25J manipulator systems and F15B fluid-pressure actuators — the two core pillars of pneumatic soft actuation. Its applicantMomentum trend is flagged as a new entrant in the recent window, which given its large cumulative portfolio likely reflects a shift in filing pace or a recent reorganization of institutional filings rather than a genuine late start. Harvard’s foundational actuator patents are among the most cited in the corpus, giving it significant prior-art leverage across the field.
families: 155Soft Robotics Inc.
Soft Robotics Inc. holds 118 patent families with the deepest focus on B25J15 (robot end-effectors and grippers) and F15B15 (fluidic actuator cylinders), reflecting a product portfolio built around pneumatic gripper systems for industrial automation. Its recent filing trend shows a 61% decline versus the prior three-year period, suggesting the company has either reached IP saturation in its core product lines or has shifted resources toward commercialization rather than new filings. Schmalz Flexible Gripping Inc., the second-ranked player with 125 patent families, is a close commercial peer with a similar gripper focus.
families: 118| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Soft Robotics Inc. | 12 | ▼ -61% |
| President & Fellows of Harvard College | 1 | ▲ new entrant |
| Harbin Institute of Technology | 15 | ▼ -25% |
| Universal City Studios LLC | 6 | ▼ -73% |
| Zhejiang University | 13 | ▲ new entrant |
| Jiangsu University | 7 | ▼ -42% |
| Regents of the University of California | 21 | ▲ new entrant |
| Seoul National University R&DB Foundation | 10 | ▲ new entrant |
Fluid actuators, legged locomotion, surgical tools, and additive manufacturing are under-served relative to the dominant manipulator class
Four IPC branches sit adjacent to the dominant B25J manipulator class and show materially lower filing density. They represent observed relative sparsity; where technical value and a plausible entry path also exist, they may merit closer investigation.
F15B · Fluid-pressure actuators and systems
Despite fluid-pressure actuation being the physical operating principle behind most soft pneumatic robots, F15B carries far fewer records than B25J, suggesting that applicants are classifying innovations at the robot-system level rather than the actuator-component level. This gap may indicate under-protected component IP in valve design, pressure-regulation circuits, and soft-channel architectures. An entrant with deep fluidics expertise could build defensible IP in the actuator substrate rather than competing head-on in the gripper end-product space.
Search this in Eureka →A61B · Diagnosis and surgery
Medical soft robotics — endoscopes, surgical manipulators, and minimally invasive tools — appears in A61B with only 69 records, a fraction of the manipulator class count. The clinical need for compliant, body-safe robotic instruments is well-established, and soft actuation is a natural fit. The relatively sparse filing record in this branch, combined with the presence of Children’s National Medical Center and academic medical programs in the applicant list, suggests the sub-field is still early-stage from an IP standpoint and may offer room for differentiated filings in instrument design and control.
Search this in Eureka →How leaders differ by technology route
Strength of each leader across the main technology routes.
| Player | B25J 9 · Manipulators & robots | B25J 15 · Manipulators & robots | B25J 19 · Manipulators & robots | B25J 11 · Manipulators & robots | B62D 57 · Legged & walking robots |
|---|---|---|---|---|---|
| Soft Robotics Inc. | Strong · 175 | Strong · 214 | Emerging · 22 | Emerging · 20 | Absent |
| President & Fellows of Harvard College | Strong · 119 | Moderate · 36 | Emerging · 13 | Emerging · 6 | Emerging · 8 |
| Universal City Studios LLC | Strong · 33 | Moderate · 12 | Absent | Moderate · 13 | Absent |
| Harbin Institute of Technology | Strong · 32 | Absent | Moderate · 10 | Emerging · 6 | Absent |
| Zhejiang University | Strong · 25 | Absent | Moderate · 7 | Absent | Moderate · 8 |
| Regents of the University of California | Strong · 26 | Absent | Absent | Absent | Moderate · 7 |
Frequently asked questions
The corpus covers 1,371 patent families. China is the leading filing jurisdiction, followed by the United States and Europe via the EPO.
President & Fellows of Harvard College leads with 155 patent families. Schmalz Flexible Gripping Inc. (125 families) and Soft Robotics Inc. (118 families) follow as the top commercial filers.
The field shows 7% growth in the recent filing window on a multi-year basis, but annual filings have eased from their 2018 peak. The lifecycle stage is best characterized as a plateau near maturity rather than an actively accelerating ramp. Note that the most recent 18–24 months of data are subject to publication lag.
B25J (manipulators and robots) is by far the dominant class. F15B (fluid-pressure actuators) and B62D (vehicles and legged-robot locomotion) form a secondary tier, while medical, additive manufacturing, and AI classes have materially fewer records.
The most active co-filing pairs identified are Joshua Aaron Lessing with Soft Robotics Inc. (8 joint families) and Knopf Ryan Richard with Soft Robotics Inc. (8 joint families). Zhejiang University collaborates with multiple regional partners including Yuyao City Robotics Research Center (4 joint families). Seoul National University R&D Foundation co-files with Samsung Electronics (4 joint families).
The most notable under-served branches relative to the dominant manipulator class are F15B (fluid-pressure actuator components), A61B (surgical and diagnostic instruments), B29C (soft material fabrication processes), and B62D (legged locomotion). These branches have lower filing density and may represent areas where differentiated IP can still be established.
Ready to map your own soft robotics landscape?
Join 18,000+ innovators using PatSnap Eureka to map any technology landscape: search 2B+ patents and papers, surface key assignees, and generate a report like this in minutes.
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.