Thread Networking Patents: Who Leads, Where the Gaps Are 2026
- Concentrated at the top. the five most active filers hold 65.1% of the 473 records in scope, and the leading ten hold 82.9% — a narrow group set most of the claim boundaries.
- Filing has cooled from its 2019 peak. activity peaked at 87 records in 2019, and the comparable 2021-to-2024 window shows a 39% decline, though 2025-2026 counts are still filling in as publications lag behind filing.
- H04L dominates the claim space. 83.1% of records carry a digital-transmission classification, while adjacent branches like image recognition (3.4%) and general transmission hardware (3.2%) remain comparatively lightly claimed.
Filing growth compares 2021 (38 records) with 2024 (23) — 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 473 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This landscape tracks patent filings and publications touching Thread mesh networking and border router technology — the low-power mesh protocols, IPv6 addressing schemes, network formation procedures, credential sharing mechanisms and wifi-coexistence methods that let battery-powered smart home devices join a common mesh and reach the internet through a border router. The scope spans 2015 through the most recent available publications, capturing both the early standardisation period and the commercialisation wave that followed Thread’s adoption inside Matter-branded ecosystems.
Records are drawn from published patent documents and grouped into families where possible, since families are a fairer count than raw document totals — a single filing strategy can otherwise inflate a single applicant's numbers through continuations or parallel jurisdictions.
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Filing trends and technology composition
Two views of the same 473 records: how filing activity has moved year over year, and which technical classes carry the claim density.
A 2019 peak followed by a real but overstated decline
Filings rose from 40 in 2017 to a peak of 87 in 2019, then eased. The 2021-to-2024 comparison — 38 down to 23, a 39% drop — is the most defensible read of the trend, since 2025 and 2026 figures are still incomplete due to the roughly 18-month gap between filing and publication.
Digital transmission and wireless classes carry most of the weight
H04L (digital information transmission) appears on 83.1% of the 473 records, and H04W (wireless communication networks) on 34.2% — the two together describe most of the mesh routing and addressing claims. Smaller classes such as H05B (lighting circuits, 5.5%), G06V (image/video recognition, 3.4%) and H04B (general transmission, 3.2%) point to where border router technology is starting to touch adjacent device categories without yet accumulating dense prior art there.
Shares are the percentage of the 473 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Thread Networking and Border Routers with Eureka
This page is one run against one query. Ask Eureka your own question about thread networking and border routers and every answer comes back with the patent numbers behind it.
Try EurekaThe most-cited records in this landscape
Session continuity for IPv6 over Bluetooth low energy (US10694358B2)
The patent describes a method where a low power node signals a target low power router with an indicator representing a request to continue operating under a prior context established at a source low power router, and receives a response indicating whether that continuity is possible. It addresses the specific problem of a device moving between routers on a low-power mesh without losing its established session state.Assignee and filing date are shown alongside the record on this page.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20030115345A1 | Methods and apparatus for masking destination addresses to reduce traffic over a communication link | 305 |
| 2 | US7002973B2 | System and method for assisting in controlling real-time transport protocol flow through multiple networks vi… | 196 |
| 3 | US20020112073A1 | System and method for assisting in controlling real-time transport protocol flow through multiple networks vi… | 190 |
| 4 | US20020169887A1 | System and method for assisting in controlling real-time transport protocol flow through multiple networks vi… | 174 |
| 5 | US7133923B2 | System and method for assisting in controlling real-time transport protocol flow through multiple networks vi… | 168 |
| 6 | US7028092B2 | System and method for assisting in controlling real-time transport protocol flow through multiple networks vi… | 168 |
| 7 | US7031311B2 | System and method for providing rapid rerouting of real-time multi-media flows | 165 |
| 8 | US20030016627A1 | System and method for determining flow quality statistics for real-time transport protocol data flows | 151 |
| 9 | US9300581B1 | Mesh network addressing | 124 |
| 10 | US20110051738A1 | Method, system and device for maintaining routes | 110 |
Citation counts reflect influence within the searched corpus and skew toward older filings; they are not a measure 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 data says about where this field is headed
Three observations that follow directly from the filing and citation data, useful for deciding where to search prior art or where a new filing has room to stand.
A narrow group set the early claim boundaries
The leading assignee alone accounts for 128 of the 473 records, and the top five combine for 65.1% of the field. That level of concentration means core mesh-routing and network-formation mechanics are likely already claimed by a small number of parties, raising the freedom-to-operate bar for new entrants working on the same mechanics.
Activity has cooled from its peak, not stalled
The 2021-to-2024 window shows a 39% decline in filings, following a 2019 peak of 87 records. That is consistent with a field moving from initial standardisation into narrower, more targeted filings rather than broad foundational claims — the volume drop reflects claim space filling up, not the technology losing relevance.
Claim density is uneven across adjacent branches
H04L and H04W together touch the large majority of records, while classes tied to general transmission hardware, lighting-circuit integration and image recognition sit in the single digits. That gap is where a technically specific filing is less likely to run into dense prior art from the incumbent group.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to thread networking and border routers, with the prior art for and against each one.
Who holds the claim space, and where the gate sits
The ranking below covers the 50 companies the data endpoint returns for this search — it is not a top-100 or top-50 list, and beyond it the field runs into a long tail of single- or few-filing entrants.
One filer sits well ahead of the field
The top-ranked assignee holds 128 of the 473 records in scope, more than four times the count at fifth place (24). That gap suggests a deliberate, sustained filing programme rather than opportunistic patenting around a single product cycle.
A second tier still worth watching for freedom-to-operate
Places five through ten each hold a meaningful but smaller slice of the field, together helping the top ten reach 82.9% of all records. Any design-around search should check this tier as closely as the leader, since mid-tier holders often cover narrower but still-blocking implementation details.
Beyond the top ten, filings thin out fast
The ranked list runs to 50 companies, but the concentration figures show most of the volume sits in the first ten. Entrants outside the ranked group are filing in ones and twos — useful signals of niche activity, but not yet a competitive cluster.
| Assignee | Recent year | YoY |
|---|---|---|
| Arrcus Inc | 0 | — |
| Google LLC | 0 | — |
| Acme Packet Inc | 0 | — |
| Huawei Technologies Co Ltd | 0 | — |
| Itron Networked Solutions Inc | 0 | — |
| PRIMARY NETWORK INC D B A ACME PACKET | 0 | — |
| Cisco Technology Inc | 0 | — |
| Volt Semiconductor Ltd | 0 | — |
Where to take this analysis
The dataset points to a field with occupied core claims and open edges. Two directions make sense from here.
Map freedom-to-operate against the leading assignees
With 82.9% of records held by the top ten, a design-around search should start there rather than across the full 50-company ranking, focusing on the specific mesh-routing and addressing claims most likely to overlap a new filing.
Explore assignee claims in Eureka →Test a claim in an under-claimed branch
Wifi-coexistence scheduling, credential sharing at formation, and border router failover all show thinner filing density than the H04L core, making them worth a targeted novelty search before committing to a filing strategy.
Run a novelty check in Eureka →Common questions about Thread and border router patents
One assignee leads the field with 128 of the 473 records in scope, well ahead of the rest of the ranking. The top five assignees combined hold 65.1% of all records, and the top ten hold 82.9%, so the field is concentrated in a small group rather than spread evenly. That concentration matters for freedom-to-operate work: a new filer's search should prioritise the leading group's claims before looking at the long tail of 50 ranked companies.
Filings peaked at 87 records in 2019 and have since declined; comparing 2021 to 2024 shows a 39% drop, from 38 down to 23 records. That said, 2025 and 2026 figures in any dataset like this are understated because publication typically lags actual filing by around 18 months, so the most recent years should not be read as the technology losing momentum. The more accurate picture is a field moving past its initial standardisation surge into narrower, more targeted filings.
Digital information transmission (IPC class H04L) appears in 83.1% of the 473 records, and wireless communication networks (H04W) in 34.2%, together covering the bulk of mesh routing, network formation and addressing claims. Because a single record can carry multiple classifications, these shares add up to more than 100%, which is expected. Smaller classes like image/video recognition and general transmission hardware sit in the low single digits, marking them as comparatively open ground.
The classes with the lowest record shares in this dataset — general transmission hardware at 3.2%, image/video recognition at 3.4%, and lighting-circuit integration at 5.5% — carry far less filing density than the dominant H04L and H04W classes. Practically, that points to wifi-coexistence scheduling, credential sharing at network formation, and border router failover handling as branches where a new, technically specific claim is less likely to collide with existing prior art. These are signals from filing density, not a guarantee of novelty, so a direct search is still necessary before filing.
US10694358B2 describes a method for session continuity when a low power node moves from a source low power router to a target low power router on an IPv6-over-Bluetooth-low-energy mesh, letting the node request and confirm that it can keep operating under its prior context. It is a narrow, mechanism-level claim rather than a broad architecture claim, so it primarily affects implementations handling handoff and context continuity between routers on a low-power mesh. Anyone building similar mobility or session-continuity handling for constrained mesh devices should review its specific claim language rather than assume it blocks the wider Thread or border router category.
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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.