Wearable Health Sensor Patent Landscape 2026
Wearable Health Sensor Patent Landscape in 2026
The wearable health sensor field spans 620 patent families and has reached a mature plateau, with annual filings hovering near their 2020 peak rather than climbing further. Dexcom leads the corpus, though academic institutions—particularly the University of California system and Caltech—collectively rival the top commercial filer, signaling that foundational sensor science remains largely research-driven.
Dexcom leads a moderately concentrated field with strong academic co-presence
Dexcom holds the top position with 50 patent families, ahead of the Regents of the University of California (44 patent families) and Caltech (24 patent families). The top five filers—Dexcom, UC Regents, Caltech, Koninklijke Philips, and Nitto Denko—together account for 28% of the combined output of the hundred largest filers, indicating moderate rather than extreme concentration.
A meaningful tier gap separates the top two from the rest: no applicant outside the top three exceeds 24 patent families, and ranks four through ten cluster in the 11–21 patent family range. This structure leaves room for challengers but makes displacing Dexcom or UC without a focused program difficult.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Dexcom Inc | 50 | |
| 2 | Regents of the University of California | 44 | |
| 3 | California Institute of Technology | 24 | |
| 4 | Koninklijke Philips NV | 21 | |
| 5 | Nitto Denko Corporation | 20 | |
| 6 | AQUILX INC | 19 | |
| 7 | Verily Life Sciences LLC | 16 | |
| 8 | Vital Connect Inc | 12 | |
| 9 | Neumitra | 11 | |
| 10 | Siemens Healthcare Diagnostics Inc | 11 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Qompium | 11 | |
| 12 | Graphic Era Deemed to be University | 10 | |
| 13 | Efferent Labs Inc | 10 | |
| 14 | BraveHeart Wireless Inc | 10 | |
| 15 | Bio Nano Sensium Technologies Ltd | 10 | |
| 16 | Massachusetts Institute of Technology | 9 | |
| 17 | Toyota Motor Corporation | 9 | |
| 18 | BrainLit | 8 | |
| 19 | Techno Commons Inc | 8 | |
| 20 | Nokia Technologies Oy | 7 |
The joint presence of a commercial CGM leader (Dexcom) and two elite research universities at the top suggests the space is still defined by deep technical differentiation rather than scale-manufacturing advantages alone, which favors entrants with novel sensor chemistry or signal-processing approaches.
Filings from 2025 and 2026 are subject to publication lag and should be treated as undercounts of actual invention activity during those years. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing volume has plateaued near its peak while diagnostic sensing dominates the technology mix
Two structural features define this landscape: a multi-year filing trend that has leveled off rather than grown sharply, and a technology composition anchored overwhelmingly by diagnostic and clinical sensing classes with only thin coverage in several adjacent branches.
Annual filing trend
Annual filings rose from 41 in 2017 to a first peak of 77 in 2020, then oscillated in the 49–77 range through 2023 before a reported surge to 95 in 2025. The 2025 figure and the 24 families recorded for 2026 are subject to substantial publication lag and do not yet reflect true filing volume for those years; the underlying multi-year trend is best characterized as a plateau near the 2020 peak.
↗ Hover for values · click a bar to ask EurekaTechnology composition
A61B (Diagnosis & Surgery) is the dominant branch by a wide margin, reflecting the clinical orientation of wearable sensor IP. G16H (Healthcare Informatics) is a distant second, followed by G01N (Material Analysis & Testing) and A61M (Devices for Body Fluids). Branches related to AI inference (G06N), printed-circuit integration (H05K), and wireless communications (H04W) each carry notably lower counts, marking potential areas of relative under-investment.
↗ 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.
Wearable biosensor system
The present invention relates to a wearable biosensor system comprising a wearable sensor device comprising a housing enclosing a power source and a controller, the housing having an exterior surface which is outwardly aligned in use and a skin facing surface which is proximal to the wearer in use, wherein the skin facing surface comprises at least one… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Devices and methods for treating psychological dis… | 599 |
| 2 | Washable wearable biosensor | 330 |
| 3 | Washable wearable biosensor | 214 |
| 4 | Wireless pregnancy monitor | 207 |
| 5 | Methods and apparatus for monitoring patients and … | 204 |
| 6 | Patient care system | 195 |
| 7 | Biosensors, communicators, and controllers monitor… | 180 |
| 8 | Sensor configuration | 168 |
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 competitive structure means for R&D investment decisions
Four structural signals—maturity stage, concentration, collaboration patterns, and geographic spread—together shape where entry barriers are highest and where differentiated investment may still find room.
Plateau phase: foundational IP is largely filed, incremental differentiation drives new entries
Annual filings have plateaued near the 2020 peak rather than declining or accelerating, placing the field in a mature stage. New entrants such as Caltech, Koninklijke Philips, Aquilx, and Vital Connect have recently joined the active filer set, indicating that the field is not yet closed to newcomers but that broad platform claims are likely already occupied. R&D focus should target specific sensor modalities or signal-processing approaches where the claim space is less dense.
Mature / PlateauModerate concentration: top five hold 28% of the hundred largest filers’ output
The top five filers account for 28% of the combined output of the hundred largest filers, a moderate level that neither locks out competition nor fragments the space. The tier gap between ranks one through three and the remainder is real but not prohibitive. A focused applicant with 15–25 well-targeted patent families in an under-served branch could realistically achieve top-ten standing among the hundred largest filers.
Moderate concentrationLimited co-filing; Verily–Dexcom and Nitto Denko–SPCHANGE are the most active pairs
The most active co-filing pair is Verily Life Sciences and Dexcom, with 4 co-filed patent families, followed by Nitto Denko and SPCHANGE LLC with 3, and the UC Regents with the University of Alcala with 2. The overall volume of collaborative filings is low relative to the corpus size, suggesting that most players are protecting proprietary platforms independently. Cross-sector collaborations between sensor-materials specialists and digital-health platforms remain an under-explored structural option.
Low co-filing activityUS-centric filing with broad PCT and EPO reach; Asia is a secondary priority
The United States leads jurisdiction coverage, followed by India, WIPO (PCT), and Europe (EPO). China, Canada, and Germany form a smaller secondary tier. Japan and South Korea—despite being major electronics and medical-device markets—show comparatively low filing volumes, which could indicate either strategic underweighting of those markets or an opportunity for applicants seeking enforceable positions in Asian manufacturing hubs.
US-led, PCT-extendedGo 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 |
|---|---|---|
| Verily Life Sciences LLC | Dexcom Inc | 4 |
| Nitto Denko Corporation | SPCHANGE LLC | 3 |
| Regents of the University of California | UNIV OF ALCALA | 2 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Dexcom anchors clinical glucose sensing; UC Regents and Caltech push material and electrotherapy frontiers
The top two positions are held by a commercial CGM specialist and a flagship public research university system, while a wave of new entrants including Caltech and Koninklijke Philips recently joined the active filer set, reshaping the competitive dynamics at the top.
Dexcom Inc
Dexcom leads with 50 patent families, concentrated in A61B 5 (Diagnosis & Surgery) and semiconductor device classes (H01L), consistent with its continuous glucose monitoring core business. Momentum has eased—recent filings show a 45% decline versus the prior comparable period—suggesting the company may be consolidating its established claim portfolio rather than expanding into new branches.
families: 50California Institute of Technology
Caltech enters the active filer set as a new entrant with 24 patent families, focused on A61B 5 (Diagnosis & Surgery), A61N 1 (Electrotherapy & Radiation Therapy), and G01N 33 (Material Analysis & Testing). This technology mix—spanning biopotential sensing and electrochemical analysis—suggests a research program exploring non-glucose physiological markers and therapeutic-sensing integration, areas where commercial coverage is comparatively thinner.
families: 24| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Verily Life Sciences LLC | 7 | ▼ -71% |
| Regents of the University of California | 7 | ▼ -42% |
| Dexcom Inc | 6 | ▼ -45% |
| California Institute of Technology | 19 | ▲ new entrant |
| Koninklijke Philips NV | 9 | ▲ new entrant |
| AQUILX INC | 18 | ▲ new entrant |
| Vital Connect Inc | 4 | ▲ new entrant |
Under-served branches adjacent to the dominant diagnostic core
Several IPC branches appear at markedly lower filing counts relative to A61B, the dominant class. These represent observations of relative sparsity; only those with plausible technical value and a realistic entry path are highlighted as warranting closer attention.
G06N · AI-based inference for wearable signals
G06N (Computing Based on AI Models) shows a count of 33 patent records against A61B’s 704, a relative share of roughly 2%. Given the proliferation of on-device machine-learning for arrhythmia detection, stress inference, and predictive alerting, this gap is technically meaningful. An entrant with proprietary model architectures optimized for low-power embedded deployment could build a defensible position here without competing directly in sensor hardware. PCT filings would provide the broadest initial coverage given the US-led filing geography.
Search this in Eureka →H05K · Flexible and printed circuit integration
H05K (Printed Circuits & Assemblies) records 22 patent records in this corpus, a relative share of approximately 1%. Flexible and stretchable substrates are a recognized enabling technology for conformal wearable sensors, yet the IP coverage in this branch is sparse. This is an observation of under-filing, not a confirmed commercial gap, but for applicants with materials or interconnect expertise—such as those already active in C08L (Polymer Compositions) or C08K (Polymer Additives)—a targeted program in H05K could complement existing sensor-layer IP and reduce freedom-to-operate exposure.
Search this in Eureka →How leading applicants differ across technology routes
Strength of each leader across the main technology routes.
| Player | A61B 5 · Diagnosis & surgery | G16H 50 · Healthcare informatics | G16H 40 · Healthcare informatics | G01N 27 · Material analysis & testing | G01N 33 · Material analysis & testing |
|---|---|---|---|---|---|
| Regents of the University of California | Strong · 39 | Absent | Absent | Strong · 26 | Moderate · 9 |
| Verily Life Sciences LLC | Strong · 39 | Absent | Absent | Absent | Absent |
| Dexcom Inc | Strong · 29 | Absent | Absent | Emerging · 5 | Absent |
| California Institute of Technology | Strong · 24 | Emerging · 3 | Absent | Absent | Moderate · 6 |
| Koninklijke Philips NV | Strong · 20 | Absent | Emerging · 3 | Absent | Absent |
| Nitto Denko Corporation | Strong · 20 | Absent | Absent | Absent | Absent |
| AQUILX INC | Strong · 19 | Absent | Absent | Absent | Absent |
Frequently asked questions
The corpus comprises 620 patent families in scope. The United States is the leading filing jurisdiction, followed by India, WIPO (PCT), and Europe (EPO).
Dexcom Inc holds the top position with 50 patent families. The Regents of the University of California rank second with 44 patent families, and Caltech third with 24 patent families.
The field is best characterized as mature and plateaued. Annual filings oscillated between 49 and 77 from 2018 through 2023 and have not shown a sustained upward trajectory since the 2020 peak. The reported 2025 figure is subject to publication lag and should not be read as evidence of a new growth surge.
A61B (Diagnosis & Surgery) is by far the dominant IPC class. G16H (Healthcare Informatics) is a distant second, followed by G01N (Material Analysis & Testing) and A61M (Devices for Body Fluids). Classes such as G06N (AI Models) and H05K (Printed Circuits) remain comparatively sparse.
The most active co-filing pair is Verily Life Sciences and Dexcom with 4 co-filed patent families. Nitto Denko and SPCHANGE LLC have 3 co-filed families, and the UC Regents and the University of Alcala have 2. Overall co-filing activity is limited relative to the corpus size.
G06N (AI-based inference for wearable signals) and H05K (flexible and printed circuit integration) stand out as branches with notably lower filing counts relative to the dominant A61B class. These observations of relative sparsity may be worth investigating for applicants with relevant expertise in on-device machine learning or flexible substrate engineering.
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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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