The Patent Finder
US

Bacteria Engineered to Treat Diseases Associated with Hyperammonemia

US 9,487,764 In force
OverviewFamilyAssignmentsSources & methods

Term ends Dec 4, 2035 · High confidence

Filed Dec 4, 2015 as application 14/960,333 · Granted Nov 8, 2016
Base term, 20 years from filing
Today
20 years from filing
2015 2035
Clock starts
Dec 4, 2015
Term ends
Dec 4, 2035
Granted
Nov 8, 2016
base term fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
61
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term is its 20-year base term, with no adjustment for prosecution delay. 2 of 3 maintenance fees are paid so far. Confidence: High. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Dec 4, 2015, when this application, 14/960,333, was filedDec 4, 2035High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderDec 4, 2035High confidence

This family

US 9,487,764this patent
Dec 2035
Dec 2035
Application 14/998,376Abandoned
not computed
not computed
Application PCT/US2016/020530PCT application
no patent term
no patent term
Application PCT/US2016/032565PCT application
no patent term
no patent term
US 10,610,546In force
no later than Jul 2036
no later than Jul 2036
Application PCT/US2016/032562PCT application
no patent term
no patent term
Application PCT/US2016/034200PCT application
no patent term
no patent term
US 9,688,967Lapsed on the fee record
Jun 2025
Jun 2025
8 of 61 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Mar 29, 2016
Reel 38124, frame 56
Falb, Dean; Isabella, Vincent M.; Kotula, Jonathan W.; Miller, Paul F.Synlogic, Inc.Assignment of Assignor's Interest
Nov 28, 2018
Reel 47604, frame 94
Synlogic, Inc.Synlogic Operating Company, Inc.Merger

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited