Space & Satellite Systems Patents: Who Leads, Trends 2026
- Filing is concentrated but not locked up. the top 5 assignees hold 20.1% of all 40,152 records and the top 10 hold 27.7% — a meaningful lead, not a closed field.
- Positioning and radio classes dominate claim space. G01S (radar, sonar & positioning) sits on 17.5% of records, with H04W and H04B wireless/transmission classes each above 10%.
- Filing volume has pulled back from its 2020 peak. 2021's 1,555 filings fell to 1,004 by 2024, a 35% decline over that span, while 2025-26 figures are still incomplete due to publication lag.
Filing growth compares 2021 (1,555 records) with 2024 (1,004) — 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 40,152 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This dataset pulls 40,152 published patent records filed or published between 2015 and mid-2026 that combine core space and spacecraft engineering language with specific subsystem terms — launch systems, satellite platforms, Earth observation, satellite navigation, propulsion, in-space servicing, cislunar systems and ground stations. The search string requires both a general space/satellite framing and at least one named subsystem, which keeps the corpus focused on applied satellite and spacecraft technology rather than adjacent aerospace or defence filings that only mention space in passing.
Records here span everything from position-determination and radar hardware through to wireless network protocols adapted for satellite links and traffic-control software touching autonomous vehicles and drones — a reminder that terms like 'satellite navigation' and 'Earth observation' pull in filings well beyond traditional spacecraft primes.
Filing trends and technology composition
Two views of the same 40,152-record corpus: how filing volume has moved year over year, and which IPC subclasses carry the claim density.
Filings rose to a 2020 peak, then eased back
Annual filings climbed from 1,133 in 2017 to a peak of 1,945 in 2020, then declined to 1,004 by 2024 — a 35% drop from the 2021 level of 1,555. Figures for 2025 and 2026 are undercounts: publication typically lags filing by around 18 months, so recent years will fill in as more records publish.
Positioning and communications classes lead
G01S (radar, sonar & positioning) appears on 17.5% of all records, ahead of H04W wireless networks (10.8%) and H04B transmission (10.2%). Navigation-specific G01C sits at 5.1%, with digital transmission, data processing, non-electric control and traffic-control classes each below 4%. Because records often carry multiple IPC codes, these shares sum to well over 100% and should be read as claim density per class, not as a partition of the field.
Shares are the percentage of the 40,152 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Space & Satellite Systems Patent Landscape with Eureka
This page is one run against one query. Ask Eureka your own question about space & satellite systems patent landscape and every answer comes back with the patent numbers behind it.
Try EurekaRepresentative filing and most-cited records
Integrity communication in a satellite navigation system
Filed by Astrium GmbH, this application describes a method for integrity communication in a satellite navigation system: a space segment of multiple satellites transmitting navigation signals, and a ground segment of observation stations that monitor those satellites and signals via at least one transmitting station. The method detects errors that have occurred or could occur in determining the pseudo-range between satellites and observation stations — errors that could affect the integrity of the navigation system — and forms an integrity message from the detected errors for broadcast to user systems.US20110169693A1 — published 2011-07-14


| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20140032034A1 | Transportation using network of unmanned aerial vehicles | 1,753 |
| 2 | US6405132B1 | Accident avoidance system | 1,259 |
| 3 | US6847892B2 | System for localizing and sensing objects and providing alerts | 1,064 |
| 4 | US6282362B1 | Geographical position/image digital recording and display system | 994 |
| 5 | US20030093187A1 | PFN/TRAC systemTM FAA upgrades for accountable remote and robotics control to stop the unauthorized use of ai… | 977 |
| 6 | US20190174449A1 | Technologies to authorize user equipment use of local area data network features and control the size of loca… | 895 |
| 7 | US20190149365A1 | Time domain resource allocation for mobile communication | 878 |
| 8 | US20090140887A1 | Mapping Techniques Using Probe Vehicles | 866 |
| 9 | US20190174466A1 | Control signaling for uplink multiple input multiple output, channel state information reference signal confi… | 795 |
| 10 | US7202776B2 | Method and system for detecting objects external to a vehicle | 778 |
Citation counts favour older, earlier-published records inside this searched corpus — treat them as a signal of past influence on subsequent filers, not of current commercial relevance.
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Concentration, technology mix and citation patterns each point to a different part of the same story: a field with an established core and a wide, active perimeter.
Leadership is real but not exclusionary
The five leading assignees together account for 20.1% of all 40,152 records, and the ranked ten hold 27.7%. That leaves the large majority of filing activity spread across a long tail of entrants — a structure where a newcomer's freedom to operate depends far more on which specific claim it drafts around than on which company it might compete with.
Positioning and radio hardware carry the densest claim coverage
G01S (radar, sonar and positioning) is the single most common IPC subclass in the corpus, present on 17.5% of records, with wireless network (H04W) and general transmission (H04B) classes each above 10%. Filing density this high signals occupied claim space in core positioning and link hardware, not that the underlying technology is settled.
Volume has pulled back from its 2020 peak
After peaking at 1,945 filings in 2020, annual volume fell from 1,555 in 2021 to 1,004 in 2024, a 35% decline over that three-year window. Figures for 2025 and 2026 are still incomplete because of the roughly 18-month lag between filing and publication, so this should be read as a pullback from an unusually active period rather than a verdict on 2025-26 activity.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to space & satellite systems patent landscape, with the prior art for and against each one.
| Assignee | Co-assignee | Shared families |
|---|---|---|
| Trimble Navigation Limited | GRASSER CHRISTIAN | 13 |
| Deere & Company | Auburn University | 10 |
| Qualcomm Incorporated | PON RAYMAN WAI | 9 |
| Deere & Company | Carnegie Mellon University | 9 |
| Trimble Navigation Limited | VOLLATH ULRICH | 8 |
| Trimble Navigation Limited | KISTLER PETER CORNELIUS | 8 |
| Trimble Navigation Limited | JOHNSON ROD | 8 |
| Trimble Navigation Limited | GREENBERG JAMES | 8 |
The corpus records 10 co-assignee pairs, with the strongest collaboration pairing appearing 13 times — evidence of some cross-entity development work, but not a dominant pattern across the field.
Who is filing, and where activity is slowing
Recent-year momentum among the most visible filers is uniformly negative, which is consistent with the corpus-wide pullback from 2020 rather than any single company's retreat.
Even the most active filers show sharp year-over-year declines
Apple's latest-year filing count fell 89% year over year, and comparable double-digit declines appear across Huawei, Qualcomm, Google, Husqvarna and Samsung. Given the 18-month publication lag, part of this is an artefact of incomplete recent-year data rather than a real stop in filing.
A long tail sits beneath a modest leadership cluster
With the ranked ten holding just over a quarter of all records, most of the corpus is generated by assignees outside that group. That distribution matters for competitive tracking: watching only the largest filers misses most of the field's activity.
Cross-entity filing is present but limited
Ten co-assignee pairs appear in the corpus, the strongest recurring 13 times. This points to occasional joint development — for example between navigation-hardware firms and individual named inventors, or between corporate and university assignees — rather than a widespread alliance structure.
| Assignee | Recent year | YoY |
|---|---|---|
| Apple Inc. | 12 | -89% |
| Huawei Technologies Co., Ltd. | 5 | -75% |
| Qualcomm Incorporated | 2 | -93% |
| Google LLC | 2 | -82% |
| Husqvarna AB | 2 | -85% |
| Samsung Electronics Co., Ltd. | 1 | -80% |
| Honeywell International Inc. | 1 | -88% |
| Deere & Company | 0 | -100% |
Where to take this next
The dataset points to a field with real leadership concentration at the top but wide open space beneath it, particularly in subsystems that sit outside core positioning and wireless hardware.
Map a specific claim against the ranked leaders
Before drafting in G01S or H04W territory, check the specific claim language the ranked leaders already hold in that subclass rather than assuming the space is closed.
Explore assignee claims in EurekaTrack the under-claimed branches as they mature
In-space servicing, cislunar systems and ground-station automation show comparatively light claim density today; that can change quickly once a filer commits to the area.
Set up monitoring in EurekaCommon questions about space and satellite systems patents
Filing is led by a small cluster of large technology and industrial companies, with the top 5 assignees together accounting for 20.1% of the 40,152 records in this dataset and the top 10 accounting for 27.7%. That leaves nearly three-quarters of filings spread across a long tail of other companies, universities and individual inventors, so leadership at the top does not translate into control of the whole field. Anyone assessing freedom to operate should look at the specific claim and subclass in question rather than assume a named leader owns it.
Radar, sonar and positioning technology (IPC class G01S) is the single densest area, appearing on 17.5% of all records, followed by wireless network protocols (H04W, 10.8%) and general transmission technology (H04B, 10.2%). Navigation-specific gyroscope and distance-measurement claims (G01C) sit lower at 5.1%. High density in these classes means the core positioning and communications hardware space is well occupied by prior filings, which is a signal to check existing claims carefully before drafting there.
Filing volume peaked in 2020 at 1,945 records and has since pulled back, falling from 1,555 filings in 2021 to 1,004 in 2024 — a 35% decline over that span. Figures for 2025 and 2026 in this dataset are not yet complete because patent publication typically lags actual filing by around 18 months, so the most recent years will rise as more records are published. Treat the 2024 figure as the most reliable recent data point rather than reading a continued downward slope into 2025-26.
Relative to the dense positioning and wireless classes, subsystems named directly in the search scope — in-space servicing, cislunar trajectory systems, autonomous ground-station scheduling and satellite-constellation traffic coordination — carry comparatively light claim density in this dataset. That does not mean these areas are unpatented, but the concentration of filings elsewhere suggests less-crowded claim space for a well-drafted application in these branches. Confirming this requires a targeted search within the specific subclass rather than relying on the aggregate IPC shares alone.
With the top 10 ranked assignees holding 27.7% of the 40,152 records in scope, this field shows moderate concentration — a recognisable leadership group, but nowhere near a duopoly or a handful of firms controlling the majority of filings. The presence of consumer electronics and technology names alongside traditional aerospace and agricultural-equipment firms also reflects how broadly navigation and communications terms pull filings from outside classic spacecraft manufacturing. That mix matters when scoping a competitive-intelligence search: a search limited to legacy space primes will miss a large share of relevant activity.
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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.