EV Fast Charging for Passenger Vehicles Patent Landscape
The EV fast charging space for passenger vehicles is a highly concentrated niche, with GM Global Technology Operations LLC holding the single largest share of a corpus that peaked in 2021 and has since eased. A small group of established OEMs and Tier-1 suppliers dominate, while a handful of new entrants signals early-stage diversification rather than broad competitive pressure.
GM leads a tightly held, OEM-dominated niche
GM Global Technology Operations LLC is the clear leader in this corpus, with the top five filers collectively accounting for 92% of the ranked applicants visible in this query’ combined total — an unusually high concentration for any automotive sub-technology.
The tier gap between GM and the next-ranked players — BorgWarner Inc and Eaton Intelligent Power Ltd, each with 2 patent families — is substantial. Below them, Rivian Holdings LLC, TVS Motor Co Ltd, and Ford Global Technologies LLC each hold a single patent family, forming a thin challenger tier with no immediate rival close to GM’s position.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | GM Global Technology Operations LLC | 6 | |
| 2 | BorgWarner Inc | 2 | |
| 3 | Eaton Intelligent Power Ltd | 2 | |
| 4 | Rivian Holdings LLC | 1 | |
| 5 | TVS Motor Co Ltd | 1 | |
| 6 | Ford Global Technologies LLC | 1 |
GM’s dominance suggests that fast-charging IP in this corpus largely reflects the proprietary systems integration work of a single major OEM. For new entrants, this creates both a freedom-to-operate challenge in core charging system architectures and a potential licensing dependency if those patents cover foundational circuit and battery-conditioning approaches.
Filing counts for 2024–2026 are likely under-counted due to the standard 18–24 month patent publication lag; the apparent drop-off at the tail end of the trend should not be read as a real decline. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Activity peaked in 2021; propulsion charging systems dominate the technology mix
Filing activity climbed from zero before 2019 to a 2021 peak, then eased — a pattern consistent with early-cycle build-up followed by consolidation. The technology mix is anchored in electric vehicle propulsion charging (B60L) and power supply systems (H02J), with battery chemistry (H01M) as a secondary thread.
Annual filing trend
Filings entered the corpus in 2019, ramped to a peak in 2021, and have been irregular since. The 2024–2026 tail is subject to publication lag and should be treated as incomplete; the trend confirms a field past its initial growth surge rather than one still building momentum.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B60L (electric vehicle propulsion) is the visible class, reflecting the charging infrastructure and onboard charging system focus. H02J (power supply and grid systems) is the strongest secondary class. H01M (batteries and fuel cells), H02H (protective circuits), and H02M (power conversion) appear at lower shares, indicating that battery chemistry and power electronics are addressed but are not the primary focus of filings in this corpus.
↗ 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.
Stationary battery electric vehicle chargers with …
A stationary battery charger, configured to detachable couple with and charge a battery electric vehicle (BEV) battery, including an input for receiving alternating current (AC) voltage from an electrical grid; one or more electrical cables configured to detachably couple with BEVs; and one or more enhanced power modules, electrically coupled to the input… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Power distribution and circuit protection for a mo… | 77 |
| 2 | Battery preconditioning systems and methods for el… | 23 |
| 3 | System for charging a battery electric vehicle or … | 18 |
| 4 | System for charging a battery electric vehicle or … | 5 |
| 5 | System for charging a battery electric vehicle or … | 4 |
| 6 | System for charging a battery electric vehicle or … | 2 |
| 7 | Power distribution and circuit protection for a mo… | 2 |
| 8 | Battery preconditioning systems and methods for el… | 1 |
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 structure means for R&D investment decisions
The combination of high concentration, a post-peak filing trend, a US-dominated jurisdiction profile, and sparse co-filing activity defines the strategic context for any team evaluating entry or expansion in this space.
Post-peak: consolidation underway after 2021 surge
The lifecycle evidence indicates annual filings have eased back from the 2021 peak, placing this field in a decline stage for new original filings. This typically signals that foundational architecture patents are already filed and the window for broad claim coverage has narrowed. R&D teams should prioritize differentiation in sub-systems — battery preconditioning, protective circuitry, and power conversion — where coverage is thinner.
Lifecycle: Decline92% share among top five signals a near-monopoly niche
The top five filers hold 92% of the ranked applicants visible in this query’ combined total, with GM alone accounting for nearly half of all 13 patent families in scope. This extreme concentration means the assignee snapshot is effectively defined by one player. Challengers BorgWarner and Eaton each hold 2 patent families, suggesting they have staked narrow but real positions in specific sub-systems rather than competing across the full stack.
Concentration: Very HighNo co-filing activity detected in this corpus
The collaboration evidence shows no co-applicant filings in this corpus. All activity reflects proprietary, single-assignee filings. This absence of joint development activity is consistent with the OEM-centric structure — large automotive players typically internalize fast-charging IP rather than developing it through joint ventures or university partnerships. It also means there are no established consortium pathways for new entrants to access pooled IP.
Collaboration: None detectedUS-visible jurisdiction with minimal international protection
The United States accounts for the majority of jurisdictional filings, with only single records in Europe (EPO), India, and WIPO (PCT). This narrow geographic footprint suggests that existing IP protection outside the US is limited, which may offer freedom-to-operate in key EV growth markets such as China, Germany, and South Korea — though those markets should be independently searched before drawing conclusions.
Lead Office: United StatesGo 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.
Co-filing pairs, ranked by the number of jointly-filed patent families.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
GM Global Technology Operations LLC
GM holds 6 patent families — the largest single position in the corpus — with a technology focus spanning B60L 53 (electric vehicle charging systems), H01M 10, and H01M 8 (battery and fuel cell technologies). This breadth across both the charging interface and the battery subsystem suggests GM is protecting an integrated fast-charging stack rather than a single component. No momentum trend data is available for GM in the evidence, consistent with its role as the established leader whose foundational filings predate the recent entrant wave.
patent families: 6BorgWarner Inc
BorgWarner holds 2 patent families with a focus on B60L 53 (EV charging), H02J 7 (battery charging power supply), and H02M 5 (AC/DC power conversion) — a technology profile that reflects its Tier-1 powertrain supplier positioning. Its momentum is flagged as a new entrant, indicating its recent filings represent an initial stake in this space from a small prior base rather than an established cumulative position.
patent families: 2Frequently asked questions
The corpus covers 13 patent families. This is a small, specialized corpus, which means concentration metrics and trend readings are highly sensitive to individual filings.
GM Global Technology Operations LLC leads with 6 patent families, the largest single position in the corpus. The next-ranked filers, BorgWarner Inc and Eaton Intelligent Power Ltd, each hold 2 patent families.
The evidence places this field in a decline stage, with annual filings easing back from a 2021 peak. Note that filings from 2024 onward are likely under-counted due to the standard publication lag and should not be read as confirming continued decline.
The United States is the visible jurisdiction, with 10 patent records. Europe (EPO), India, and WIPO (PCT) each account for 1 record. Coverage outside the US is therefore limited within this corpus.
B60L (electric vehicle propulsion) is the visible class with 13 patent records. H02J (power supply and grid systems) is the next most represented with 9 records, followed by H01M (batteries, cells and fuel cells) with 4 records.
No co-applicant filings are detected in this corpus. All patent families are held by single assignees, reflecting proprietary development strategies among the OEMs and Tier-1 suppliers active in this space.
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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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