Eureka on the web
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 →Top-5 share is the combined record count of the five largest assignees divided by all 122 records in scope (CR5), not by the ranked leaders only.
Industrial fermentation scale-up sits at the point where microbiology meets process engineering: oxygen transfer rate, fed-batch control, mixing heterogeneity and contamination control all have to be solved together before a lab strain becomes a commercial process. This dataset pulls together 122 published records filed against that intersection, spanning bioreactor hardware, fermentation methods and the microorganisms themselves.
Because publication lags filing by roughly 18 months, the most recent filing year in any trend understates real activity — a drop-off in 2025-2026 numbers reflects the pipeline, not a retreat from the field.
Filing activity and IPC composition across the 122 records in scope, drawn directly from the underlying search.
Filings rose to a peak of 17 records in 2019 and have declined since; 2026 is a partial year and 2017 opens the tracked window at 4 records. Read the recent downslope as a publication-lag artefact, not a shrinking field.
C12N (microorganisms and genetic engineering) and C12M (bioreactors and enzyme apparatus) dominate, appearing in 50.8% and 42.6% of records respectively. C12P fermentation process claims trail at 23.8%, and smaller shares in A01G, C07K, C12R, B01F and B01J mark narrower, more specialised filing pockets.
Shares are the percentage of the 122 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 industrial fermentation scale up and every answer comes back with the patent numbers behind it.
Try EurekaThe application controls bacterial contamination in yeast fermentation by using urea as the primary nitrogen source while limiting nickel availability, since contaminating bacteria need nickel as a urease cofactor to metabolise urea but yeast does not. It further limits ethyl carbamate formation through carbon/nitrogen ratio control and recycles yeast by centrifugation after fermentation.Filed by an individual inventor rather than one of the ranked corporate assignees — a reminder that this field still admits solo filers with narrow, mechanism-specific claims.
View full record| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US5763230A | Amino acid fermentation processes | 130 |
| 2 | US4670397A | Fermentation apparatus | 109 |
| 3 | WO2014074769A2 | Methods of culturing microorganisms in non-axenic mixotrophic conditions | 59 |
| 4 | US20110312087A1 | Bioreactor for the cultivation of mammalian cells | 51 |
| 5 | US5897995A | Enzymatic production of gluconic acid or its salts | 43 |
| 6 | JP1979005091A | Fermentation promoting method and fermentor | 32 |
| 7 | US9670446B2 | Bioreactor for the cultivation of mammalian cells | 30 |
| 8 | WO2010089151A1 | Bioreactor for the cultivation of mammalian cells | 30 |
| 9 | WO1996035800A1 | Enzymatic production of gluconic acid or its salts | 23 |
| 10 | US20090233360A1 | Methods and Compositions for Culturing of neural Precursor Cells | 20 |
Citation counts favour older records simply because they have had longer to accumulate citations inside this corpus; treat them as a signal of influence, not of current technical relevance.
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 filing pattern that matter more for decision-making than the raw counts.
With 87 of 122 records held by five assignees, new entrants filing broad bioreactor or fed-batch method claims are filing into occupied space. The leader alone holds 35 records against a fifth-place figure of 10, so the drop-off from first to fifth is itself steep.
Microorganism and genetic-engineering claims (C12N) and bioreactor/apparatus claims (C12M) appear in near-equal shares of the corpus, meaning strain-level and vessel-level claims are being filed at comparable rates rather than one dominating the other.
Filings peaked at 17 records in 2019 and have not returned to that level since; fewer than four complete years remain once publication lag is accounted for, so no reliable growth rate can be stated from this window.
The most-cited records in this corpus are process and apparatus patents from the 1980s-1990s rather than recent filings, which is expected in a searched corpus where older documents have had longer to accumulate citations.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to industrial fermentation scale up, with the prior art for and against each one.
The assignee ranking covers 26 companies returned by the dataset — not a top-50 or top-100 cut — with sharp concentration at the top and a long tail below rank ten.
The top-ranked assignee holds 35 of the 122 records in scope, well ahead of the fifth-place figure of 10 and the tenth-place figure of 2 — a gap that widens quickly outside the top few names.
Combined, the top 10 assignees account for 109 of 122 records, or 89.3% of all records in scope, leaving a thin remainder spread across the rest of the ranked 26 and unranked single filers.
Recent-year momentum tracking shows zero filings in the latest year for each of the leading assignees checked, consistent with publication lag rather than a coordinated pull-back from the space.
Only three co-assignee pairs appear across the corpus, and the strongest of them links a single corporate assignee to one named inventor twice — collaboration between separate corporate entities is essentially absent from this dataset.
| Assignee | Recent year | YoY |
|---|---|---|
| Lonza Biologics PLC | 0 | — |
| Heliae Development LLC | 0 | — |
| Glaxo Group Ltd | 0 | — |
| Cargill Inc | 0 | — |
| Phillips Petroleum Co | 0 | — |
| DanStar Ferment AG | 0 | — |
| Gist-Brocades NV | 0 | — |
| DSM IP Assets B.V. | 0 | — |
The filing data points to specific next steps depending on whether the goal is freedom-to-operate, portfolio building, or scouting.
With 71.3% of records held by five assignees, any new fed-batch or bioreactor filing should be checked against their claim scope first, not the field average.
Explore assignee claims in EurekaFoam management, scale-down modelling and cooling capacity carry smaller IPC shares than the core C12N/C12M classes, suggesting narrower prior art to design around.
Run a white-space search in EurekaOne assignee leads the ranked field with 35 of the 122 records in scope, well ahead of the fifth-ranked assignee at 10 records. The top 5 assignees combined hold 71.3% of all records, and the top 10 hold 89.3%, so the field is concentrated rather than evenly spread. Outside that group, filings drop off quickly into single- and double-record entrants.
Microorganism and genetic-engineering claims under C12N appear in 50.8% of the 122 records, and bioreactor and apparatus claims under C12M appear in 42.6% — the two largest categories by a clear margin. Fermentation process claims under C12P follow at 23.8%. Smaller categories such as mixing and stirring (B01F) and catalysis (B01J) each sit at 6.6%, marking narrower filing activity rather than absence of interest.
Filings peaked at 17 records in 2019 and have not returned to that level in the years since. Because publication typically lags filing by around 18 months, the low counts in 2025 and 2026 understate real activity rather than confirming a decline. There are not enough complete recent years in this dataset to state a reliable growth rate.
The smaller IPC categories in this dataset — mixing and stirring, catalysis-related processes, and peptide/protein claims — carry far fewer records than the dominant microorganism and bioreactor classes, which points to lighter claim density there. Specific sub-areas such as foam management, scale-down model validation and cooling capacity design for large vessels show up as narrower pockets worth checking before assuming they are blocked. A freedom-to-operate search focused on these categories, rather than the crowded C12N/C12M space, is more likely to surface open claim room.
US20250270497A1 claims a method for controlling bacterial contamination in yeast fermentation by using urea as the nitrogen source while limiting nickel availability, since bacteria need nickel to metabolise urea via urease and yeast does not. It also covers limiting ethyl carbamate formation through carbon/nitrogen ratio control and recovering yeast by centrifugation for reuse. It was filed by an individual inventor rather than one of the ranked corporate assignees, so its claim scope is narrow and mechanism-specific rather than a broad process patent.
Go past this page: query the whole industrial fermentation scale up corpus yourself, in your own scope.
Every answer comes back with patent numbers you can open.
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.
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