2 patents currently held
34 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
6 more records may belong here and await a decision; they are not counted.
The next term ends in Jan 2033. from the record
Of the 34 now held by other companies, 34 name Synata Bio Inc. as their current owner. Each row says so.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Jan 2033
Next term end
2
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Only 2 of the currently held patents qualify as notable.
Notable
Ends Jan 2033 · High confidence
Also notable
Ends Mar 2033 · High confidence
Method for Production of N-Butanol from Syngas Using Syntrophic Co-Cultures of Anaerobic Microorganisms
US 9,469,860
Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2033.
Method for Production of N-Propanol and Other C3-CONTAINING Products from Syngas by Symbiotic Co-Cultures of Anaerobic Microorganisms
US 9,650,651
Granted 2017 and renewed at every maintenance window due so far. Protection runs to 2033.
Formerly held, still cited
Notable
Ends Aug 2029 · High confidence
Renewed at every maintenance window since the 2011 grant; no more fees are due before its term ends in 2029.
now held by Synata Bio, Inc.
Also notable
Ends Aug 2032 · High confidence
Renewed at every maintenance window since the 2014 grant; no more fees are due before its term ends in 2032.
now held by Synata Bio, Inc.
Also notable
Ends Apr 2034 · High confidence
Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2034.
now held by Synata Bio, Inc.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
What they patent
The 1 largest of its 2 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
Patents held now
Soonest term end first.
Showing 1 to 2 of 2
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,469,860 | Method for Production of N-Butanol from Syngas Using Syntrophic Co-Cultures of Anaerobic Microorganisms In force · High confidence | In force | High confidence | |
| US 9,650,651 | Method for Production of N-Propanol and Other C3-CONTAINING Products from Syngas by Symbiotic Co-Cultures of Anaerobic Microorganisms In force · High confidence | In force | High confidence |
Also on record, not counted in the 2: 34 patents in force now held by others · 27 patents ended · 20 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
7 terminal disclaimers are on file with no resolved reference. No cap is applied and none is guessed