Syngas Fermentation Media Optimization Patents: Concentration, Trends and Open Ground
75.9% of the field sits with five filers. 258 of 340 records in scope belong to the top five assignees, with a long tail of single- and low-filing entrants behind them. Filings rose to a peak of 36 in 2019, then eased; the tracked window shows a 45% decline from 11 filings in 2021 to 6 in 2024, the most recent year with a complete count. Read 2025 and 2026 as still-arriving data rather than a continuing fall.
- 1LANZATECH INC79
- 2LANZATECH NEW ZEALAND LTD69
- 3LANZATECH NZ INC69
- 4SYNATA BIO INC24
- 5KIVERDI INC17
See the full syngas fermentation media optimization 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 about this landscape
Who holds the most patents in syngas fermentation media optimization?
One assignee leads with 79 of the 340 records in scope, well ahead of the rest of the ranked group. The top five assignees together account for 258 records, 75.9% of the field, so the leading position sits alongside a small cluster of similarly focused filers rather than in isolation. Fifth place holds 17 records and tenth place holds 7, showing a sharp drop-off after the leading group before a long tail of smaller filers.
Is the syngas fermentation media patent field still growing?
Annual filings peaked at 36 in 2019 and the tracked window shows a decline from 11 filings in 2021 to 6 in 2024, a 45% drop over that three-year span. 2024 is the most recent year that can be treated as complete, because publication typically lags filing by around 18 months, so 2025 and 2026 figures are still filling in. The honest read is a cooling from a 2019 peak rather than a currently accelerating field, but it is too early to call the trend beyond 2024.
What technology areas are under-claimed in this space?
Compared with the core fermentation classification, which appears on 99.7% of the 340 records, several adjacent classes are filed far less often: electrolytic conversion (C25B) at 8.2%, fuel derivatives (C10L) at 6.5%, and separation processes (B01D) at 5.0% of records. These lower shares point to sub-areas — such as electrolytic co-conversion, redox-control hardware and continuous-process separation — that carry comparatively little claim density relative to the fermentation-medium core.
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 Syngas Fermentation Media Optimization 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.