Precision Fermentation Contamination Control Patents: Top Companies 2026
Precision Fermentation Contamination Control Patents
83.0% concentration. The top 5 of 18 ranked assignees hold 88 of the 106 records in scope — filing here is dominated by a small group, not a broad field. Filings peaked in 2018 at 33 records, well above the surrounding years. Filing activity from 2021 to 2024, the last complete year, rose from 4 to 6 records — a 50% increase — indicating renewed filing interest after the initial peak, not a cooling field. 2025 and 2026 counts will rise as publication catches up.
- 1CALYSTA INC45
- 2KIVERDI INC19
- 3AMGEN INC14
- 4TORAY INDUSTRIES INC6
- 5BROWN OWEN (I) (US)4
See the full precision fermentation contamination control analysis in Eureka
- The complete ranking, not just the top five
- Every IPC branch with its share of the corpus
- The most-cited records, and where claim space is still thin
Common questions on this landscape
Who holds the most patents in precision fermentation contamination control?
One assignee leads the ranked field with 45 of the 106 records in scope, well ahead of the next four combined. The top 5 of 18 ranked assignees together hold 83.0% of all records, so the field is concentrated rather than fragmented. That said, the ranking covers only 18 assignees total, so ‘leading’ here means leading within a fairly small, specialised group of filers rather than a broad industry-wide field.
Is patent filing in this area growing or slowing down?
Filing peaked in 2018 at 33 records and settled lower afterward, but the most recent complete comparison shows growth: filings rose from 4 in 2021 to 6 in 2024, a 50% increase. Counts for 2025 and 2026 look low only because publication typically lags filing by about 18 months, so those years are still filling in. Treat 2024 as the most reliable recent-year benchmark.
What type of contamination control technology is most heavily patented?
Bioreactor and enzyme apparatus claims under IPC class C12M appear in 93.4% of the 106 records in scope, making vessel and system design the densest claim area by far. Microorganism and genetic-engineering claims under C12N (34.0%) and fermentation process claims under C12P (28.3%) follow well behind. Separation processes such as filtration (B01D) sit at 23.6%, and food- or feed-adjacent classes are all under 8%, marking them as smaller but active niches.
Disclaimer. This analysis is based on Patsnap Eureka data drawn from a limited snapshot of global patent records and is provided for general information and reference only. Patent data carries inherent limitations — recent filings are under-counted because of publication lag, counts may be on a record or family basis, classification and applicant-name data may contain errors or duplicates, and the underlying search query defines the scope shown — so the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing here is an exhaustive prior-art, novelty, freedom-to-operate or validity search, nor does it constitute legal, financial or professional advice, and it should not be relied upon as such. Verify independently and review with qualified patent and legal professionals before acting on it.
Method: Filing trend and technology composition. Derived from a Patsnap search on Precision Fermentation Contamination Control covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish. Every share divides by all records in scope. Data: Patsnap Eureka. See the full landscape report.