GNSS Receiver Patents: Who Leads, Where the Gaps Are 2026
- Concentrated but not closed. the top 5 assignees hold 26.5% of all 850 records in scope, and the top 10 hold 42.5% — leaving well over half the field to a long tail of single- and few-filing entrants.
- Filing has cooled from its peak. activity peaked at 47 records in 2022 and fell to 20 by 2024, a -47% swing from 2021's 38 — though 2025-2026 figures are still filling in under the usual publication lag.
- Positioning dominates, transmission is close behind. G01S covers 78.8% of records and H04B (general transmission) 29.3%, while narrower classes like H03H filters sit at just 3.5%, marking where claim density thins out.
Filing growth compares 2021 (38 records) with 2024 (20) — 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 850 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
GNSS receiver signal acquisition and tracking sits at the intersection of positioning hardware and communications engineering. The search scope combines core receiver terms — GNSS signal acquisition, code tracking loop, correlator architecture — with the performance dimensions that separate a workable receiver from a commercial one: carrier phase tracking, weak signal sensitivity, reacquisition time, multi constellation support and receiver power consumption.
850 published records fall inside this scope between 2015 and the 2026-07-31 cut-off, spanning receiving offices led by the United States, Europe and the WIPO PCT route. The dataset treats each family as the unit of analysis, which is the fairer basis for comparing filers than raw document counts that can be inflated by continuations or parallel national filings.
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Filing trend and technology composition
Two views of the same 850 records: how filing activity has moved year over year, and which IPC subclasses carry the claim density.
Filing trend: a 2022 peak, then a pullback
Annual filings rose from 14 in 2017 to a peak of 47 in 2022, then declined — 2021's 38 fell to 20 by 2024, a -47% move over that span. Because publication lags filing by roughly 18 months, 2025 and 2026 are undercounted in this data and should not be read as a continuation of the decline until later cuts confirm it.
Where the claims sit: positioning first, transmission close behind
G01S (radar, sonar and positioning) appears in 78.8% of the 850 records, confirming that most filings are anchored in core positioning function rather than adjacent signalling. H04B (general transmission) reaches 29.3%, and G01C (navigation and gyroscopes) 10.0%. Narrower supporting classes — H04J multiplexing at 5.8% and H03H impedance networks and filters at 3.5% — show far less claim density, which is where component-level and filter-stage innovation still has room to register.
Shares are the percentage of the 850 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on GNSS Receiver Signal Acquisition and Tracking with Eureka
This page is one run against one query. Ask Eureka your own question about gnss receiver signal acquisition and tracking and every answer comes back with the patent numbers behind it.
Try EurekaA recent filing that shows where the art is moving
Satellite navigation receiver with aggregate channel digital baseband processing
The filing describes a two-stage carrier demodulator: a first stage that removes or compensates aggregate channel tracking error in carrier phase across a shared baseband, sub-band or GNSS channel set, and a second stage that strips the carrier signal cleanly ahead of correlation-based decoding. The claims describe correlators positioned after this staged demodulation, which is a structural departure from single-stage carrier stripping.Filed by Deere & Company, published 2025-08-05 — recent enough that its full citation profile has not yet developed.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20050114023A1 | Fault-tolerant system, apparatus and method | 400 |
| 2 | US20060074558A1 | Fault-tolerant system, apparatus and method | 387 |
| 3 | US20120182180A1 | Wide area positioning system | 274 |
| 4 | US20030149528A1 | Positioning and navigation method and system thereof | 259 |
| 5 | US6167347A | Vehicle positioning method and system thereof | 258 |
| 6 | US20160011318A1 | Performance and Cost Global Navigation Satellite System Architecture | 204 |
| 7 | US6516272B2 | Positioning and data integrating method and system thereof | 196 |
| 8 | US6427122B1 | Positioning and data integrating method and system thereof | 196 |
| 9 | US5963582A | Mitigation of multipath effects in global positioning system receivers | 193 |
| 10 | US6424914B1 | Fully-coupled vehicle positioning method and system thereof | 189 |
Citation counts reward older filings simply because they have had longer to accumulate references — read them as a signal of historical influence, not of what matters today.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Browse MCP servers →What the data implies for a filing decision
Three findings that change where a team should look before drafting new claims in this space.
The top of the field is dense but the tail is long
The leader holds 63 records and the field narrows quickly to 30 at fifth place and 26 at tenth, yet the top 10 combined still account for only 42.5% of all 850 records. More than half the landscape is held by companies filing in smaller volumes, which is where freedom-to-operate analysis needs the most care rather than the least.
Filing has cooled from its 2022 peak
Activity climbed steadily from 14 records in 2017 to 47 in 2022 before pulling back to 20 by 2024. That drop should not be read as the technology losing relevance; it more likely reflects a maturing core architecture where the easy claims have already been filed.
Filter and impedance-network claims are comparatively rare
Core positioning claims under G01S appear in nearly four out of five records, while H03H (impedance networks and filters) appears in just 3.5%. That gap suggests component-level filtering and front-end impedance work tied to weak-signal sensitivity is underrepresented relative to how central it is to receiver performance.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to gnss receiver signal acquisition and tracking, with the prior art for and against each one.
Assignee landscape and where activity is thinning
The ranking spans 100 companies counted in records, not a fixed top-N cut, so the shape of the list matters as much as any single name in it.
A single filer separates itself from the pack
The leading assignee's 63 records sit well ahead of the fifth-place figure of 30, a gap that suggests a sustained, multi-year filing programme rather than a handful of large families inflating the count.
The drop-off past the leader is gradual, not a cliff
Fifth place holds 30 records and tenth still holds 26, meaning the gap between the top and the upper-middle of the ranking is narrower than the gap between the leader and everyone else. Several companies are filing at a comparable, moderate pace.
Co-filing is limited and concentrated among a few names
Only 10 co-assignee pairs appear in this dataset, and the strongest pairing links Trimble Navigation Ltd with an individual inventor across 14 records, well above the next pairings. Most of the field files independently rather than through joint ventures.
| Assignee | Recent year | YoY |
|---|---|---|
| NextNav LLC | 0 | — |
| Trimble Navigation Ltd | 0 | — |
| Deere & Company | 0 | — |
| InterDigital Technology Corp | 0 | — |
| TRIMBLE INC | 0 | — |
| NovAtel Inc | 0 | — |
| Qualcomm Inc | 0 | -100% |
| European Space Agency | 0 | — |
Where to take this analysis
The dataset points to specific next questions rather than a single conclusion — each depends on what the reader is trying to decide.
Check freedom-to-operate against the long tail
With 57.5% of records held outside the top 10 filers, a clearance search needs to cover the mid-field and single-filer entrants, not just the named leaders.
Run a freedom-to-operate search →Watch the 2025-2026 filings as they publish
The apparent decline after 2022 is partly a publication-lag artefact; revisit the trend once 2025 filings have had time to clear the roughly 18-month gap.
Track new filings as they publish →Look hardest at thin IPC classes
H03H filters and G01C navigation support sit well below G01S in record share, which is where a narrowly drafted claim is less likely to collide with existing art.
Explore white space by IPC class →Common questions about this landscape
One assignee leads the ranked list with 63 records, noticeably ahead of the fifth-placed company at 30. The top 5 assignees together account for 26.5% of all 850 records in scope, and the top 10 account for 42.5%, which means the majority of the field is still held by companies outside that top group. Any competitive read of this space needs to look past the named leaders to the long tail of single- and few-filing entrants.
Filing rose from 14 records in 2017 to a peak of 47 in 2022, then fell to 20 by 2024 — a -47% change from 2021's 38. That looks like a slowdown, but publication lags filing by roughly 18 months, so 2025 and 2026 figures in this dataset are still incomplete and should not be read as confirming a continued decline. The 2022 peak is the clearest signal so far of when activity was at its most intense.
G01S, covering radar, sonar and positioning, appears in 78.8% of the 850 records and is clearly the anchor class for this field. H04B, general transmission, follows at 29.3%, and G01C, distance, navigation and gyroscopes, at 10.0%. Because a single record can carry multiple IPC codes, these shares add up to more than 100% and should be read individually rather than as parts of a whole.
US12379508B2, assigned to Deere & Company and published 2025-08-05, describes a satellite navigation receiver using a two-stage carrier demodulator for aggregate-channel digital baseband processing. The first stage removes tracking error across a shared channel or channel set, and the second strips the carrier cleanly before correlation-based decoding, with correlators positioned after this staged demodulation. It is a recent filing, so its influence on later filings has not yet had time to show up in citation counts.
The clearest gaps sit in classes with low record share relative to the core positioning class: H03H (impedance networks and filters) at 3.5% and H04J (multiplex communication) at 5.8%, both well below G01S at 78.8%. Practically, that points to weak-signal front-end filtering, low-power carrier tracking loop design, and multi-constellation correlator sharing as areas with thinner claim density. These are not guaranteed open spaces, but they warrant a closer prior-art check before assuming they are crowded.
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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.