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Run your analysis now →This landscape draws on 3,141 published records filed between 2015 and mid-2026 that combine laundry detergent or detergent formulation terminology with technical claim language covering enzyme stability, cold water performance, surfactant systems, unit dose film, or malodor control, restricted to the C11D1, C11D3 and C11D17 classification groups. The scope is deliberately narrow: it is not every detergent patent, but the subset where the claims engage one of these named performance problems directly.
Because publication lags filing by roughly 18 months, the most recent year in the trend chart understates real filing activity and should be read as a floor, not a ceiling.
Pick a task. Every answer cites the patents behind it.
Two views of the same 3,141-record set: how filing volume has moved year over year, and which IPC subclasses the claims actually sit in.
Annual filings ran at 80 in 2017, the peak year in the set, eased to 57 by the 2022 midpoint, and had fallen to 4 by the most recent (partial) year — a pattern consistent with a maturing claim space rather than an emerging one.
C11D covers essentially the entire set (3,140 of 3,141 records, 100.0%) by construction of the search. Beyond that core, C12N (microorganisms and genetic engineering, 5.7% of records) and D06L (bleaching and dry-cleaning, 4.8%) are the next-largest adjacent classes, followed by textile treatment (D06M, 4.1%) and smaller footprints in medicinal preparations, cosmetics use, dyes and condensation polymers. Records can carry more than one class, so these shares sum past 100%.
Shares are the percentage of the 3,141 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
This page is one run against one query. Ask Eureka your own question about laundry detergent formulation and every answer comes back with the patent numbers behind it.
Try EurekaThis disclosure relates to ultra concentrated liquid laundry detergent (e.g., 3x+ ultra concentrated liquid laundry detergent). For example, this disclosure relates to ultra concentrated liquid laundry detergent having superior water dispersibility at low temperatures (e.g., from about 14C to about 19C).Filed by a mid-size formulator rather than one of the ranked leaders, this record shows that cold-water dispersibility claims on concentrated formats were staked out well before the 2017 filing peak.
View full filing| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | WO2008087497A1 | Laundry care composition comprising a whitening agent for cellulosic substrates | 1,345 |
| 2 | WO2003006602A2 | Subtilase variants | 937 |
| 3 | WO2002016547A2 | Subtilase enzymes | 929 |
| 4 | WO2007138054A1 | Cleaning compositions with amphiphilic graft polymers based on polyalkylene oxides and vinyl esters | 882 |
| 5 | US6221825B1 | Thickened, highly aqueous liquid detergent compositions | 877 |
| 6 | WO2000047708A1 | Low density particulate solids useful in laundry detergents | 819 |
| 7 | WO2006113314A1 | Liquid laundry detergent compositions with modified polyethyleneimine polymers and lipase enzyme | 772 |
| 8 | EP1876226A1 | Detergent compositions | 708 |
| 9 | WO2009087523A2 | A laundry detergent composition comprising glycosyl hydrolase | 696 |
| 10 | US6579839B2 | Liquid laundry detergent compositions having enhanced clay removal benefits | 329 |
Citation counts inside a searched corpus favour older filings; treat this table as a signal of influence on later art, not of current commercial importance.
Each row carries its publication number; clicking a row searches Eureka by that number.
When you want the answer in the next five minutes.
The agent works the prompt against patents and technical literature, citing every source.
Run your analysis now →When it has to run inside your own pipeline.
Patent search, landscape analysis and assignee resolution as MCP tools. Drop them into any agent framework, or call REST directly.
Browse MCP servers →Three read-throughs from the trend, the citation table and the assignee ranking, aimed at where to file next rather than where filing has already happened.
Annual filings fell from a 2017 peak of 80 to single digits by the latest partial year, with the 2022 midpoint at 57. That trajectory points to a claim space where the obvious formulation variants around surfactant systems and dosing have already been filed, not one still being actively opened up.
The most-cited records in the set are a whitening-agent composition, two subtilase enzyme variant filings, and a graft-polymer cleaning composition — not general surfactant formulas. Later filers appear to build more on enzyme stability and polymer delivery mechanisms than on surfactant base chemistry.
The leading assignee holds 1,737 records against 112 at fifth place and 37 at tenth, among the 100 companies the ranking covers. That gap is steep enough that a newcomer's freedom-to-operate analysis should treat the leader's portfolio as the primary blocking risk, not the ranking as a whole.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to laundry detergent formulation, with the prior art for and against each one.
The ranking is dominated by a small cluster of related entities, and recent-year momentum across nearly all of them has turned sharply negative.
The leading assignee's 1,737 records dwarf the rest of the field; the corresponding entity's recent-year filings dropped 92% year over year, suggesting the portfolio is now in a maintenance rather than expansion phase.
The strongest co-assignee pairing in the dataset links two entities from the same corporate group at 289 shared filings, with two more group pairings at 59 and 58. Reading these entities separately in the ranking understates how concentrated ownership actually is.
Several of the group's constituent entities show zero filings in the latest year, and a fourth entity's filings fell 100% year over year. Combined with the overall 2017-to-2026 trend, this points to a field where the largest holders are consolidating existing claims rather than adding new ones.
| Assignee | Recent year | YoY |
|---|---|---|
| Procter & Gamble Co. | 2 | -92% |
| Unilever Global IP Ltd. | 1 | -83% |
| Unilever PLC | 0 | — |
| Unilever N.V. | 0 | — |
| Hindustan Unilever Ltd. | 0 | — |
| CONOPCO INC | 0 | -100% |
| Unilever IP Holdings B.V. | 0 | -100% |
| Novozymes A/S | 0 | — |
The dataset points to specific next steps depending on whether the goal is freedom-to-operate, whitespace filing, or portfolio benchmarking.
With one assignee holding 1,737 of the records in this ranking, any new filing in core surfactant or enzyme-stability claims should be checked against that portfolio specifically before checking the rest of the field.
Explore assignee portfolios in EurekaD06L, D06M and C08G each carry a real but modest footprint (4.8%, 4.1% and 2.2% of records respectively) — enough activity to confirm the branch is viable, not so much that it is closed off.
Draft and stress-test claims in EurekaThe apparent decline to 2026 is partly a publication-lag artefact; a portfolio review timed to the next 18-month reporting window will show whether filings have genuinely stopped or are simply not yet published.
Track new publications in EurekaIn this dataset, one assignee holds 1,737 of the records in the ranking, far ahead of the fifth-place company at 112 and tenth place at 37. The ranking also shows that several of the highest-placed entries are related corporate entities within the same group, filing separately under different registered names, which understates how concentrated real ownership is when the ranking is read at face value. Anyone doing a competitive scan should treat closely related entity names as a single portfolio rather than separate competitors.
Filing volume peaked in 2017 at 80 records and had declined to single digits by the most recent partial year, with 57 filings at the 2022 midpoint. That said, publication typically lags filing by around 18 months, so the last one to two years in any such trend will always look lower than they will eventually turn out to be. The honest reading is that filing has slowed substantially since 2017, not that it has stopped.
Beyond the core C11D detergent classification, which covers essentially the entire dataset, the largest adjacent classes are C12N (microorganisms and genetic engineering, covering enzyme-related claims, at 5.7% of records) and D06L (bleaching and dry-cleaning, at 4.8%). Textile chemical treatment (D06M) and smaller footprints in medicinal preparations, cosmetics, dyes and condensation polymers round out the picture. A record can sit in more than one of these classes at once, which is why an applicant working on enzyme-stabilised formulations should expect to search both C11D and C12N art together.
US20100041577A1, filed by Melaleuca, Inc. in 2010, covers ultra concentrated liquid laundry detergent formulated for water dispersibility at low temperatures, roughly 14C to 19C. It is a representative example of cold-water performance claims being staked out well before the 2017 filing peak in this dataset, rather than a recent or dominant filing. Anyone targeting concentrated, cold-water-dispersible formats should review its specific claim scope directly, since its priority date predates most of the activity in this landscape.
The technology composition data shows modest but real activity in adjacent branches — dye-transfer and bleaching interactions (D06L), textile-surface treatment compatibility (D06M), and condensation-polymer delivery systems (C08G) — each sitting well under the dominant C11D core. These branches have enough prior art to confirm they are technically viable, but far less filing density than core surfactant or enzyme-stability claims, which is where a new entrant is more likely to find room to stake a defensible claim without confronting the leading assignee's core portfolio head-on.
Go past this page: query the whole laundry detergent formulation corpus yourself, in your own scope.
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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.