5G Critical-Material (Weak Signal) Patent Landscape 2026
Cisco Technology dominates a highly concentrated field of 380 patent families, holding more than one-quarter of the corpus outright; the top five filers collectively account for more than half of the hundred largest filers’ combined output. The field is in a Growth stage, with three-year filing volume up 53% on a multi-year basis, though annual output has eased from its 2022 peak and recent years remain understated by publication lag.
Cisco leads a sharply tiered competitive field
Cisco Technology holds the top position with 107 patent families, more than three times the output of the second-ranked Samsung Electronics at 33 families. Ericsson, SEMPRE Inc., and Intel round out the top five, with counts of 19, 18, and 17 patent families respectively.
The top five filers account for 54% of the hundred largest filers’ combined total — a pronounced concentration that leaves meaningful space between Cisco and every other participant. A secondary tier of mid-range filers (Jio Platforms, AT&T, Reelables, Mitsubishi Electric) sits well below that gap, indicating that no challenger is currently positioned to close the lead rapidly on volume alone.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Cisco Technology Inc. | 107 | |
| 2 | Samsung Electronics Co., Ltd. | 33 | |
| 3 | Telefonaktiebolaget LM Ericsson (Publ) | 19 | |
| 4 | SEMPRE INC | 18 | |
| 5 | Intel Corporation | 17 | |
| 6 | Jio Platforms Ltd. | 14 | |
| 7 | AT&T INTELLECTUAL PROPERTY I L P | 11 | |
| 8 | Reelables Inc. | 7 | |
| 9 | Mitsubishi Electric Corporation | 6 | |
| 10 | T-Mobile US Inc. | 5 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | SecureG | 4 | |
| 12 | Mitsubishi Electric Research Laboratories Inc. | 4 | |
| 13 | Vaibhav Laxman Dhasal (Director) | 4 | |
| 14 | InterDigital Patent Holdings Inc. | 4 | |
| 15 | Q Networks LLC | 4 | |
| 16 | Ajay Kumar Garg Engineering College | 3 | |
| 17 | Stevens Institute of Technology | 3 | |
| 18 | Indian Institute of Technology Kharagpur | 3 | |
| 19 | Vellore Institute of Technology | 3 | |
| 20 | Datang Gaohong Information & Communication (Yiwu) Co., Ltd. | 3 |
Cisco’s dominance implies that cross-licensing negotiations, freedom-to-operate analyses, and standard-essential-patent considerations in 5G critical-material weak-signal applications will disproportionately revolve around Cisco’s portfolio. New entrants — including Samsung, Jio Platforms, AT&T, and Mitsubishi Electric — have all filed recently from a standing start, suggesting the competitive tier below Cisco is actively forming rather than settled.
Filing counts for 2025 and 2026 are likely understated due to the 18–24 month publication lag typical of patent offices; trend reads for those years should be treated as provisional. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Multi-year growth persists; wireless networking commands the technology mix
Two views illuminate where this field is heading: the annual filing curve reveals a field that is still expanding on a multi-year basis despite easing from its 2022 peak, while the IPC composition chart shows an overwhelming concentration in wireless and digital-transmission branches with a long tail of adjacent application domains.
Annual filing trend
Filing volume was negligible before 2018, accelerated sharply through 2020, reached a local high of 78 families in 2022, and has since settled into the 52–64 range annually. The three-year recent window is 53% above the prior three-year window, confirming sustained multi-year growth even as the annual peak has passed. The 2025–2026 bars are understated by publication lag and should not be read as a real decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H04W (Wireless Communication Networks) and H04L (Digital Information Transmission) together account for the large majority of IPC records, reflecting the field’s core focus on 5G radio access and data transport. G06F, G06Q, and G06N each appear at a much smaller scale, pointing to emerging intersections with data processing, business applications, and AI-based inference — all well behind the wireless core but worth tracking for cross-disciplinary filings.
↗ 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.
System and method for delay-reliability aware down…
This invention discloses a novel downlink scheduling scheme to maximize the number of XR users who meet their strict delay reliability requirements in 5G networks. Each XR user is assigned a predefined delay bound, within which Data Units (DUs)—encompassing packets, frames, or Service Data Units (SDUs)—must be transmitted. Failure to transmit within this… (excerpt from the patent abstract)


| # | Patent | Citations |
|---|---|---|
| 1 | Industrial Automation with 5G and Beyond | 734 |
| 2 | 5g network slicing with distributed ledger traceab… | 236 |
| 3 | Methods, systems, kits and apparatuses for providi… | 155 |
| 4 | 5G network edge and core service dimensioning | 152 |
| 5 | Blockchain-based auditing, instantiation and maint… | 104 |
| 6 | Multi-slice support for MEC-enabled 5g deployments | 52 |
| 7 | Methods, systems, kits and apparatuses for providi… | 43 |
| 8 | Electronic device and methods for performing data … | 39 |
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 patent structure means for R&D investment decisions
The combination of a dominant incumbent, rapid new-entrant formation, and multi-year growth creates both urgency and optionality for R&D planners. Four structural reads follow.
Growth stage — multi-year expansion, annual volume past its 2022 peak
The lifecycle is classified as Growth: recent three-year filings are 53% above the prior three-year window, confirming that the field is still expanding on a multi-year basis. Annual volume has eased from its 2022 peak of 78 families, but this does not signal decline — publication lag further suppresses visible 2024–2026 counts. R&D teams have a window to file before the field matures and freedom-to-operate space narrows further.
Growth stageCisco holds a structural lead; the challenger tier is still forming
The top five filers’ 54% share of the hundred largest filers’ combined total is high for a field of this size, and Cisco’s 107 patent families represent more than 3× the second-place count. The challenger tier — Samsung (33), Ericsson (19), SEMPRE (18), Intel (17) — is active but fragmented. Any entrant seeking to compete in this space should expect Cisco’s portfolio to be a primary FTO consideration.
High concentrationCo-filing is rare; SEMPRE Inc. and Q Networks LLC are the most active pair
Only two co-filing relationships appear in evidence: SEMPRE Inc. paired with Q Networks LLC on 2 joint families, and AT&T Intellectual Property with Interwise Co. Ltd on 1 joint family. The near-absence of collaboration signals that the field is currently being developed through proprietary, siloed strategies rather than consortium or standards-body co-development. This leaves open-source or standards-track collaboration as a potentially underexplored path for challengers.
Low collaborationUS-centric filing; India and PCT routes indicate international ambitions
The United States leads with 139 patent records, followed by India at 79 — an unusually high Indian presence that reflects both Indian academic filers and the strategic importance of India as a 5G deployment market. WIPO PCT filings (57 records) and EPO filings (43 records) show that leading commercial filers are seeking broad international coverage. China holds 24 records, suggesting the Chinese market is being protected but is not yet the primary battleground.
US + India dominantGo 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 |
|---|---|---|
| SEMPRE INC | Q Networks LLC | 2 |
| AT&T知识产权一部有限合伙公司 | INTERWISE CO LTD | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Cisco sets the pace; Samsung and Jio Platforms emerge as challengers to watch
The applicant field breaks into a clear leader, an established-but-trailing group of telecom incumbents, and a cohort of new entrants whose recent filing bursts signal intent rather than depth. Momentum data covers the recent three-year window versus the prior three-year window.
Cisco Technology Inc.
Cisco holds 107 patent families — the largest position in the corpus by a wide margin — with its recent filing rate up 140% versus its prior three-year window, indicating accelerating rather than plateauing commitment. The portfolio is concentrated in wireless security and network management subclasses (H04W12, H04W8, H04W36), covering authentication, subscriber data, and handover functions that are central to 5G critical-infrastructure protection.
patent families: 107Samsung Electronics Co., Ltd.
Samsung holds 33 patent families and is classified as a new entrant in this specific corpus, having arrived with a burst of recent filings from a near-zero prior base. Its technology emphasis spans H04W36 (handover), H04W4 (services and applications), and H04W72 (resource management), suggesting Samsung is targeting the radio-layer mechanics of weak-signal resilience rather than the network-management plane where Cisco is strongest. This positioning creates a degree of portfolio complementarity rather than head-on overlap.
patent families: 33| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Cisco Technology Inc. | 72 | ▲ +140% |
| Samsung Electronics Co., Ltd. | 6 | ▲ new entrant |
| Intel Corporation | 4 | ▼ -69% |
| Jio Platforms Ltd. | 12 | ▲ new entrant |
| AT&T知识产权一部有限合伙公司 | 7 | ▲ new entrant |
| Q Networks LLC | 4 | ▲ new entrant |
| Reelables Inc. | 6 | ▲ new entrant |
| Mitsubishi Electric Corporation | 6 | ▲ new entrant |
Under-served branches adjacent to the wireless core
The whitespace analysis identifies IPC branches that appear in the corpus at relatively low share despite plausible technical adjacency to the dominant wireless-networking and digital-transmission core. These are observations of relative sparsity; entry viability depends on specific R&D capability and freedom-to-operate position.
G06N · AI and Computing Models
G06N records account for roughly 5% of IPC branch coverage in the corpus — sparse relative to the wireless core — despite the growing role of AI-driven anomaly detection, beam management, and signal-quality inference in 5G weak-signal scenarios. The technical adjacency is direct: AI-based inference can predict coverage gaps and reroute traffic before critical-material thresholds are breached. An entrant with existing G06N portfolio depth could differentiate by filing at the intersection of H04W and G06N rather than competing head-on in saturated wireless subclasses.
Search this in Eureka →H01Q · Antennas
H01Q antenna-related records represent only about 2% of branch coverage, a notable gap given that antenna design — including beamforming, MIMO arrays, and low-gain-compensation techniques — is a fundamental lever for addressing weak-signal conditions in 5G deployments. Q Networks LLC’s focus on H01Q21 shows the subclass is being actively explored at small scale, but no dominant filer has staked a substantial position here. An R&D team with hardware antenna expertise could find less crowded prior art than in the network-layer subclasses.
Search this in Eureka →How leading filers diverge across technology routes
Route coverage across the main technology branches in the current evidence set.
| Player | H04W 12 · Wireless communication networks | H04W 36 · Wireless communication networks | H04W 8 · Wireless communication networks | H04W 4 · Wireless communication networks | H04L 9 · Digital information transmission |
|---|---|---|---|---|---|
| Cisco Technology Inc. | Strong · 27 | Strong · 23 | Strong · 25 | Emerging · 5 | Moderate · 8 |
| Samsung Electronics Co., Ltd. | Emerging · 2 | Strong · 13 | Strong · 7 | Strong · 11 | Absent |
| Telefonaktiebolaget LM Ericsson (Publ) | Strong · 9 | Absent | Absent | Strong · 13 | Absent |
| Jio Platforms Ltd. | Moderate · 3 | Strong · 5 | Strong · 9 | Moderate · 2 | Absent |
| SEMPRE INC | Strong · 8 | Absent | Absent | Absent | Strong · 9 |
| AT&T Intellectual Property I L P | Absent | Strong · 6 | Strong · 6 | Strong · 4 | Absent |
| Intel Corporation | Absent | Strong · 4 | Absent | Strong · 4 | Absent |
Frequently asked questions
The corpus contains 380 patent families in scope, spanning filings from 2017 through 2026, with the United States as the leading filing office.
Cisco Technology Inc. leads with 107 patent families — more than three times the output of second-ranked Samsung Electronics at 33 patent families. No other single filer comes close to Cisco’s volume in this corpus.
The field is in a Growth stage. Recent three-year filings are 53% above the prior three-year window. Annual volume peaked in 2022 at 78 families and has since settled in the 52–64 range; 2025 and 2026 counts are likely further understated by publication lag, so a real decline cannot be inferred from visible data.
The United States leads with 139 patent records, followed by India at 79 — reflecting both Indian academic activity and India’s strategic importance as a 5G growth market. WIPO PCT filings (57 records) and EPO filings (43 records) indicate that leading commercial players are pursuing broad international coverage.
G06N (AI and computing models) and H01Q (antennas) are the most notable adjacent branches with low relative coverage — roughly 5% and 2% of IPC branch records respectively — despite clear technical relevance to 5G weak-signal challenges. H04B (transmission, general) at 4% share also represents a less-contested adjacent area.
Co-filing is rare. The evidence shows only two co-applicant pairs: SEMPRE Inc. with Q Networks LLC (2 joint families) and AT&T Intellectual Property with Interwise Co. Ltd (1 joint family). The field is developing predominantly through proprietary, standalone filing strategies rather than consortium-driven collaboration.
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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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