Hollow-Fiber Bioreactor Patents: Leaders, Trends & White Space 2026
Hollow-Fiber Bioreactor Mixing Control Patents
Filing peaked in 2020 at 46 records, then fell sharply — 27 filings in 2021 dropped to 7 by 2024, a 74% decline over that span. Filings climbed from 10 in 2017 to a peak of 46 in 2020, then declined — 27 in 2021 down to 7 in 2024, a 74% drop across that three-year window. Because publication lags filing by about 18 months, 2025 and 2026 figures are still filling in and should not be read as a continued slide.
- 1CORNING INC43
- 2SOUTHWEST RES INST35
- 3UNIVERCELLS SA25
- 4RADISIC MILICA18
- 5TECHNION RES & DEV FOUND LTD17
See the full hollow-fiber bioreactor mixing 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
Frequently asked questions
Who holds the most patents in hollow-fiber bioreactor mixing control?
The ranked leader in this dataset holds 43 of the 294 records in scope, with the fifth-ranked assignee at 17 and the tenth at 9. The top 5 assignees combined account for 46.9% of all records, and the top 10 combined reach 67.0%, so the field is concentrated among a small number of named filers rather than spread evenly across the full 77-assignee ranking. Anyone doing freedom-to-operate work here can prioritise reviewing that short list before widening the search.
Is filing activity in hollow-fiber bioreactor mixing control growing or shrinking?
Filings rose from 10 in 2017 to a peak of 46 in 2020, then declined to 27 in 2021 and 7 by 2024 — a 74% drop across that three-year window, which is the most recent period the data treats as complete. Because publication lags filing by roughly 18 months, the 2025-2026 counts are still filling in and should not be read as proof the decline is continuing. Taken together, the pattern looks like a filing wave that crested around 2020 and has since retreated from its peak.
What technology areas overlap most with hollow-fiber bioreactor mixing control?
Within the 294 records in scope, 92.2% carry a C12M bioreactor-apparatus classification and 42.5% also touch C12N microorganism or genetic-engineering codes, reflecting the biological payload side of these systems. Smaller overlaps exist with B01D separation processes (14.6%), A61K medicinal preparations (8.5%), B33Y additive manufacturing (5.8%) and A61F implants (5.1%). Since a single record can carry multiple classes, these figures add to more than 100% and should each be read against the 294-record total, not against each other.
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 Hollow-Fiber Bioreactor Mixing 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.