Stirred-Tank Bioreactor Patents: Leaders, Trends & White Space 2026
Stirred-Tank Bioreactor Scale-Up: Patents Behind Mixing, Oxygen Transfer and Tank Design
One leader, 21 records, sits well ahead of a fifth-place holder at 8 and a tenth-place holder at 5 — a steep drop-off rather than an even spread. Filings rose from 5 in 2017 to a peak of 16 in 2022. The 2026 figure of 0 reflects a partial year and the roughly 18-month lag between filing and publication, not a stop in activity.
- 1CELLINO BIOTECH INC21
- 2LIFE TECHNOLOGIES CORP17
- 3PROTEIN SCIENCES CORP16
- 4TAKEDA PHARMA CO LTD16
- 5FINESSE SOLUTIONS INC8
See the full stirred-tank bioreactor scale-up 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 stirred-tank bioreactor scale-up patents
Who holds the most patents on stirred-tank bioreactor scale-up?
One assignee leads the ranked field with 21 records, well ahead of the fifth-place holder at 8 and tenth place at 5. That gap indicates a single company built a broad early portfolio, while the remaining 35 ranked companies each hold smaller, more specialised sets of filings. The leader also appears in the strongest co-assignee pairings in the dataset, suggesting the portfolio grew partly through related-entity filing rather than solely independent invention.
Is stirred-tank bioreactor patenting still growing?
Filings rose from 5 records in 2017 to a peak of 16 in 2022, but there are not enough complete years since then to compute a reliable growth rate. The 2026 count looks low mainly because publication typically lags filing by around 18 months, so recent activity is undercounted rather than absent. The overall pattern reads as a plateau following the 2022 peak rather than continued acceleration.
What technology areas dominate stirred-tank bioreactor claims?
Bioreactor and enzyme apparatus classification (C12M) covers 98.9% of the 93 records in scope, confirming that hardware and vessel-level claims anchor this field. Microorganism and genetic-engineering classification (C12N) appears in 38.7% of records, and mixing equipment (B01F) in 25.8%, both as common secondary classifications alongside the core apparatus claims. Image processing (G06T, 18.3%) and enzyme/DNA measurement (C12Q, 6.5%) are present but comparatively thin, marking areas with less claim density.
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 Stirred-Tank Bioreactor Scale-Up 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.