The Patent Finder
US

Polyhydroxyalkanoate Production Methods and Materials and Microorganisms Used in Same

US 12,312,629 In force
OverviewFamilyAssignmentsSources & methods

Term ends Mar 13, 2033 · High confidence

Filed Jun 27, 2023 as application 18/342,601 · Granted May 27, 2025
Base term, 20 years from filing
Today
20 years from filing
2013 2033
Clock starts
Mar 13, 2013
Term ends
Mar 13, 2033
Granted
May 27, 2025
base term 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.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
10
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. 0 of 1 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 Mar 13, 2013, when application 13/802,622, the earliest non-provisional in its chain, was filed (this one was filed Jun 27, 2023)Mar 13, 2033High 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 events0 of 1 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 13, 2033High confidence

This family

US 9,085,784In force
Mar 2032
Mar 2032
US 9,725,744In force
no later than Mar 2033
no later than Mar 2033
US 10,450,592In force
Mar 2032
Mar 2032
US 11,053,521In force
Mar 2032
Mar 2032
Application 16/933,838Abandoned
not computed
not computed
US 11,965,203In force
Mar 2032
Mar 2032
US 11,732,280In force
Mar 2033
Mar 2033
US 12,312,629this patent
Mar 2033
Mar 2033
8 of 10 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
Nov 13, 2024
Reel 69356, frame 416
Herrema, Markus D.Newlight Technologies, Inc.Assignment of Assignor's Interest

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