Antimicrobial Textile Patents: Leaders & Filing Trends 2026
A data-led look at antimicrobial textile patents: who leads filing, how the technology splits across fibre, coating and biocide classes, and where activity has cooled since its 2021 peak.
Filing growth = 2021 (15 records) → 2024 (3); 2024 is the last year we treat as complete. Top-5 share = the 5 largest assignees ÷ all 91 records in scope (CR5), not the ranked leaders only.
What counts as an antimicrobial textile patent here
This landscape covers patents and applications that claim antimicrobial function built into or applied onto textile substrates — fibres, yarns, woven and nonwoven fabrics — filed or published between 2015 and the 2026 cut-off. The scope spans fibre and filament chemistry (IPC class D01), textile finishing and treatment (D03, D04) and the biocide and polymer-additive chemistry (A01N, C08K, C08L) that gives the fabric its antimicrobial effect. 91 records fall inside this scope as of the data cut-off.
The set is dominated by fibre- and filament-level modification rather than after-the-fact finishing, which shapes where freedom-to-operate is tightest: claims on how the antimicrobial agent is incorporated during fibre or filament formation sit on denser prior art than claims on topical or coating-based approaches applied after the fabric is woven.
Filing trend and technology composition
Two views of the same 91-record dataset: how filing activity has moved year over year, and how records split across the IPC subclasses that define the field's technical routes.
Filing activity, 2017–2026
Filing rose to a peak of 15 records in 2021, then fell to 3 records by 2024 — an 80% drop over that three-year span. 2025 and 2026 figures are still incomplete because publication lags filing by roughly 18 months, so the true trajectory of the most recent two years will only become clear as later filings publish.
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.
Technology composition by IPC subclass
D01F (chemical filament and fibre features) appears in 59.3% of the 91 records, well ahead of D06M (textile chemical treatment) at 29.7% and A01N (biocides/agrochemicals) at 19.8%. Because a single record can carry several IPC classes, these shares add up to more than 100% and should be read against the 91-record total, not against each other.
Shares are the percentage of the 91 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Antimicrobial Textile Patent Landscape with Eureka
This page is one run against one query. Ask Eureka your own question about antimicrobial textile patent landscape and every answer comes back with the patent numbers behind it.
Try EurekaRepresentative filing and most-cited prior art
Stabilization of fabric surfaces
A textile fabric having improved properties, variously including surface stability, abrasion resistance, resistance to edge fraying, moisture control, and resistance to fluid penetration is created by introducing a polymeric solution or a plurality of low-melting particles suspended in a liquid into the textile fabric while leaving a plurality of surface fibers exposed and maintaining a textile feel on the surface.Filed by Engineered Floors LLC, published 2019-07-11 as US20190211499A1.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | EP1953286A1 | Fabric and mask | 77 |
| 2 | WO2016201369A1 | Recombinant protein fiber yarns with improved properties | 47 |
| 3 | US6448305B1 | Antimicrobial acrylic material | 46 |
| 4 | US6759127B1 | Treated inherently flame resistant polyester fabrics | 30 |
| 5 | US20200102673A1 | Antibacterial Fibers and Materials | 23 |
| 6 | DE102005031711A1 | Antimicrobial textile material containing metallic silver nano-particles, used for production of, e.g. underw… | 21 |
| 7 | CN105401244A | 一种磷酸锆钠载铜抗菌聚酯纤维的制造方法 | 20 |
| 8 | WO2000014128A1 | Antimicrobial acrylic material | 20 |
| 9 | US9192625B1 | Antimicrobial nanocomposite compositions, fibers and films | 19 |
| 10 | CN107938082A | 一种静电纺纳米纤维/棉抗菌包芯纱的批量化制备方法 | 17 |
Citation counts reflect influence within the searched corpus and favour older records; they are not a measure of current commercial relevance.
Patent titles are shown in the language they were filed in, not translated, so that each record stays verifiable against the original filing — a translated title will not match in Eureka or in any national register. Each row carries its publication number; clicking a row searches Eureka by that number.
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Browse MCP servers →What the data means for filing strategy
Four observations that matter more to a filing or freedom-to-operate decision than the raw counts alone.
The top of the field is concentrated, the rest is fragmented
The five leading assignees together account for 48.4% of all 91 records in scope, and the top ten reach 67.0%. Below that, the ranking runs to 53 companies, most with only one or two filings — a long tail of entrants testing narrow claims rather than building portfolios.
Activity has cooled sharply from its 2021 peak
Filing volume dropped 80% between 2021 and 2024, the last year with a reasonably complete publication record. That does not necessarily mean commercial interest has faded; it means the wave of filings that followed heightened demand for antimicrobial surfaces has largely worked through the pipeline.
Fibre-level modification dominates over surface finishing
D01F claims — antimicrobial agents built into the fibre or filament itself — appear in 59.3% of records, nearly double the 29.7% share for D06M textile chemical treatment. Coating and finishing routes are comparatively less claimed, which is where a design-around may find more room.
Filing is spread across offices, not concentrated in one jurisdiction
Europe (EPO) leads with 18 records, followed by the United States at 14, India at 9, and Australia, WIPO (PCT) and Canada each in single digits close together. This spread suggests assignees are pursuing multi-jurisdiction protection rather than treating any one market as decisive.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to antimicrobial textile patent landscape, with the prior art for and against each one.
Where to take this analysis
This landscape identifies where filing is dense and where it has thinned out. Turning that into a filing or freedom-to-operate decision takes a closer read of the specific claims.
Map claims against your own fibre or finishing route
Use the IPC composition to check whether your approach sits in the dense D01F/D06M territory or in a less-claimed adjacent branch before drafting.
Explore in Patsnap EurekaTrack the leading assignees' recent filings
The concentrated top of the ranking is worth monitoring directly for continuation filings and new priority applications as 2025–2026 data fills in.
Explore in Patsnap EurekaPressure-test freedom-to-operate on cited prior art
The most-cited records anchor claim scope going back years; check new drafts against them before committing to a filing strategy.
Explore in Patsnap EurekaCommon questions about antimicrobial textile patents
The assignee ranking for this dataset covers 53 companies, with the leading filer holding 12 records and the fifth-ranked holding 7. The top five together account for 48.4% of all 91 records in scope, and the top ten reach 67.0%. Beyond that, filing activity fragments quickly into a long tail of companies with just one or two records each, so a single dominant player does not exist — concentration sits at the top but the rest of the field is open.
Filing peaked in 2021 at 15 records and had fallen to 3 records by 2024, an 80% decline over that three-year span, which is the last year with a reasonably complete publication picture. Because publication typically lags filing by around 18 months, the 2025 and 2026 figures in any dataset will look artificially low and should not yet be read as a continued decline. The honest read is that the field cooled sharply after 2021, with the 2025–2026 trajectory still to be confirmed.
Fibre- and filament-level modification, captured under IPC class D01F, appears in 59.3% of the 91 records in scope — the largest single technical route. Textile chemical treatment (D06M) follows at 29.7%, with biocide and agrochemical chemistry (A01N) at 19.8% and polymer additive and composition classes (C08K, C08L) each in the mid-teens. This mix indicates that most claim activity centres on building the antimicrobial function into the fibre itself rather than applying it as a later finish.
The European Patent Office receives the largest share of filings in this dataset at 18 records, followed by the United States at 14 and India at 9. Australia, the WIPO PCT route and Canada each sit in single digits and close together, showing that assignees are pursuing coverage across multiple jurisdictions rather than concentrating on one home market. This spread is typical of a technology aimed at global apparel, medical and technical-textile supply chains.
US20190211499A1, assigned to Engineered Floors LLC and published in 2019, claims a method of stabilising a fabric surface by introducing a polymeric solution or low-melting particles into the textile while leaving surface fibres exposed, improving abrasion resistance, moisture control and fluid-penetration resistance. It is a representative example of surface- and structure-level fabric modification rather than an antimicrobial-agent claim itself. Anyone designing a competing surface-stabilisation approach for textiles should read its specific claim language closely, since the mechanism it protects — embedding particles or polymer while keeping surface fibres exposed — is fairly specific and may leave room for alternative stabilisation methods.
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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.