Syngas Fermentation Product Recovery Patents: Who Holds the Ground
75.5% of all 257 records sit with just five assignees, so most of the field's claim space around cell removal and product capture is already staked out by a small group. Filings peaked at 38 in 2017. Complete-year data show 6 filings in 2021 falling to 4 in 2024, a 33% decline over that span; 2025 and 2026 are undercounted because publication typically lags filing by around 18 months.
- 1LANZATECH INC68
- 2LANZATECH NZ INC54
- 3LANZATECH NEW ZEALAND LTD32
- 4SYNATA BIO INC23
- 5KIVERDI INC17
See the full syngas fermentation product recovery 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 product recovery?
One assignee leads the field with 68 of the 257 records in scope, roughly four times the count held by the fifth-ranked assignee at 17. The top five assignees combined account for 75.5% of all records, and the top ten reach 93.4%. This level of concentration means a small number of portfolios cover most of the documented recovery methods, so competitive mapping should focus there first rather than across the full 39-company ranking.
Is syngas fermentation patent filing slowing down?
Filing peaked at 38 records in 2017 and complete-year data show a drop from 6 filings in 2021 to 4 in 2024, a 33% decline over that span. However, publication typically lags filing by about 18 months, so the apparent low counts in 2025 and 2026 are an artefact of that lag rather than confirmed evidence of a slowdown. The 2021-2024 window is the most reliable basis for judging the recent trend.
What is the difference between cell removal and broth clarification claims in this space?
Both are recovery-stage steps captured in this dataset's search scope, but they sit at different points in the process: cell removal typically covers separating microbial biomass from the fermentation broth, while broth clarification covers the finer downstream step of removing residual solids and impurities before product capture. Neither is broken out as its own IPC subclass in the data, so distinguishing them requires reading claim language directly rather than relying on classification alone.
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 Product Recovery 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.