Satellite Terminal Beamforming Antenna Patents: Leaders & Trends 2026
A patent landscape review of satellite communication terminal beamforming antenna technology: filing trends, leading assignees, IPC composition and white space, based on 176 records filed 2015-2026.
Filing growth = 2021 (4 records) → 2024 (21); 2024 is the last year we treat as complete. Top-5 share = the 5 largest assignees ÷ all 176 records in scope (CR5), not the ranked leaders only.
What the filing record shows
Beamforming antenna claims for satellite communication terminals sit at the intersection of two IPC families: H04B transmission methods and H01Q antenna structures. Of the 176 records in scope, 84.1% carry an H04B classification, while only 31.8% also carry H01Q — a gap that says more about where the claim drafting has concentrated than about which hardware ships. Feeder-link and coverage-adjustment claims, the subject of several of the most-cited records in this set, sit squarely on the H04B side.
Filing activity peaked in 2017 at 59 records, fell back sharply, then rebuilt: 2021 to 2024 filings rose 425%, from 4 to 21. Because publication trails filing by roughly 18 months, the 2025 and 2026 counts in the trend chart are still incomplete and should not be read as a slowdown.
Filing trend and technology composition
Two views of the same 176 records: how filing volume has moved year over year, and which IPC subclasses carry the claims.
Filing trend, 2015-2026
Filings peaked at 59 in 2017, dropped through the early 2020s, then rebuilt with a 425% rise from 4 filings in 2021 to 21 in 2024. The 2025-2026 figures are still filling in due to publication lag and should not be read as a decline.
Publication lags filing by roughly 18 months, so 2025 onwards are still filling in. Growth rates on this page therefore end at 2024; running them to the last bar would understate the field.
IPC subclass composition
H04B transmission claims appear in 84.1% of the 176 records and H01Q antenna claims in 31.8%; smaller shares in G06F, B64G, H04H, H04W, H04L and H04N show where adjacent claim activity is thin. Because records can carry multiple classes, these shares sum to more than 100%.
Shares are the percentage of the 176 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Satellite Communication Terminal Beamforming Antenna Patent Landscape with Eureka
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Try EurekaThe most-cited records in this corpus
Feeder link spatial multiplexing in a satellite communication system
A system and method for spatial multiplexing signals on the feeder links of a satellite communication system. A beamforming antenna forms a plurality of feeder beams from signals received from system gateways, each feeder beam illuminating one of the gateways and including a plurality of frequency division multiple access (FDMA) channels. A plurality of demultiplexers separate each of the feeder beams into the FDMA channels, and signal combiners combine channels corresponding to user terminals illuminated by a specific user beam to produce a user beam signal, which a beamforming user link antenna uses to form a specific user beam.Filed by Qualcomm; granted 2001. Its feeder-link spatial-multiplexing claims are the most-cited record in this corpus and anchor much of the downstream coverage-adjustment art.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20170288769A1 | Flexible beamforming for satellite communications | 153 |
| 2 | US6317420B1 | Feeder link spatial multiplexing in a satellite communication system | 98 |
| 3 | WO2018190794A1 | Coverage area adjustment to adapt satellite communications | 97 |
| 4 | WO2017023621A1 | Flexible capacity satellite constellation | 66 |
| 5 | US10985833B2 | Coverage area adjustment to adapt satellite communications | 64 |
| 6 | EP3610536B1 | Coverage area adjustment to adapt satellite communications | 53 |
| 7 | US20200274611A1 | Coverage area adjustment to adapt satellite communications | 47 |
| 8 | EP3955384A2 | Coverage area adjustment to adapt satellite communications | 45 |
| 9 | CA3054698A1 | Coverage area adjustment to adapt satellite communications | 44 |
| 10 | US20200028575A1 | Ground-based beamformed communications using mutually synchronized spatially multiplexed feeder links | 42 |
Citation counts favour older records simply because they have had longer to accumulate citations inside the searched corpus — read them as a signal of influence on the field, not as a measure of current commercial relevance.
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Browse MCP servers →What the concentration and composition mean for filing strategy
Three figures from this dataset matter more than the rest for anyone deciding where to file or who to watch.
One filer dominates the record
The leading assignee alone accounts for 147 of the 176 records in scope, and the top five combined hold 94.3% of all records. This is not a fragmented field with many active competitors; it is a field with one very deep filer and a long tail of single- or few-filing entrants.
Renewed filing activity after the 2017 peak
After peaking at 59 filings in 2017 and falling back sharply, the field rebuilt: filings rose from 4 in 2021 to 21 in 2024. That three-year run is the clearest complete signal of renewed interest in the dataset; 2025-2026 counts are still filling in.
Transmission claims outweigh antenna-hardware claims
H04B transmission methods appear in 84.1% of the 176 records, more than double the 31.8% carrying H01Q antenna-structure claims. Adjacent classes — G06F, B64G, H04H, H04W, H04L, H04N — each sit at 2.3% or below, marking where claim density thins out fastest.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to satellite communication terminal beamforming antenna patent landscape, with the prior art for and against each one.
Where to take this analysis
The figures above establish the shape of the field. The next questions are specific to a given filing strategy or freedom-to-operate review.
Map the leader's claim boundaries
With one assignee holding 147 of 176 records, a freedom-to-operate review should start by mapping exactly which claim elements that portfolio covers before drafting around it.
Explore in EurekaTrack the post-2021 filing wave
The 425% rise from 2021 to 2024 signals renewed competitive interest; watching who filed those records shows where new entrants are placing bets.
Explore in EurekaProbe the H01Q gap
Antenna-hardware claims sit at 31.8% against 84.1% for transmission methods — a candidate area for claims that pair physical antenna structure with the dominant signal-processing approaches.
Explore in EurekaQuestions practitioners ask about this field
One assignee holds 147 of the 176 records in this dataset, and the top five assignees combined hold 94.3% of all records. That leaves the remaining 28 ranked filers dividing a small share of the field between them, with the fifth-place holder at just 3 records. Anyone assessing freedom to operate here should treat the leading portfolio as the primary reference point rather than assuming a fragmented competitive field.
Filings peaked at 59 in 2017, fell sharply afterward, then rebuilt: from 2021 to 2024, filings grew 425%, from 4 to 21. Because patent publication trails the actual filing date by roughly 18 months, the 2025 and 2026 counts in any trend chart are still incomplete and should not be read as evidence of a slowdown. The most recent complete signal in this dataset points to renewed, not declining, activity.
US6317420B1 covers feeder-link spatial multiplexing in a satellite communication system: forming feeder beams from gateway signals, demultiplexing them into FDMA channels, and recombining channels to drive a beamforming user-link antenna. It is the most-cited record in this corpus, with 153 citations, which marks it as a foundational reference for coverage-adjustment and feeder-link architectures rather than a blanket bar on all beamforming work. New filings that avoid its specific feeder-link demultiplex-and-recombine sequence, or that operate outside spatial multiplexing on the feeder link, sit outside its claim scope.
H04B (transmission) appears in 84.1% of the 176 records and is the densest claim territory, while H01Q (antenna structures) appears in only 31.8%, making it comparatively less crowded. Classes like G06F, B64G, H04H, H04W, H04L and H04N each sit at 2.3% or below, indicating thin but not absent claim activity. A drafter targeting antenna hardware specifically, rather than the signal-processing layer, is working in less occupied space by this measure.
Very concentrated: the top 5 of 29 ranked assignees hold 94.3% of the 176 records in scope, and the top 10 hold 98.9%. This is a much steeper concentration curve than a typical multi-player technology field, where the top 10 filers might hold a much smaller combined share. Practically, this means competitive monitoring in this space should focus heavily on the leading filer's continuation strategy rather than tracking a broad set of comparably sized competitors.
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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.