The Patent Finder
US

Apparatus and Methods for Treating Root Canals of Teeth

US 10,010,388 In force
OverviewFamilyAssignmentsSources & methods

Term ends Aug 3, 2028 · High confidence

Filed Jun 13, 2014 as application 14/304,737 · Granted Jul 3, 2018
Base term plus 472 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2007 2028
Clock starts
Apr 19, 2007
Term ends
Aug 3, 2028
Granted
Jul 3, 2018
base term patent term adjustment fee events 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
472
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
11
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 runs 472 days past its 20-year base term on prosecution delay. 2 of 2 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 Apr 19, 2007, when application 11/737,710, the earliest non-provisional in its chain, was filed (this one was filed Jun 13, 2014)Apr 19, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+472 days, USPTO patent term adjustment recordAug 3, 2028High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderAug 3, 2028High confidence

This family

US 8,753,121In force
Dec 2028
Dec 2028
US 10,010,388this patent
Aug 2028
Aug 2028
US 10,617,498In force
Apr 2027
Apr 2027
US 10,016,263In force
Apr 2027
Apr 2027
US 10,039,625In force
Apr 2027
Apr 2027
US 11,918,432In force
Jun 2029
Jun 2029
US 10,835,355In force
Apr 2027
Apr 2027
Application 16/546,032Abandoned
not computed
not computed
8 of 11 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
Jun 23, 2017
Reel 42970, frame 807
Sonendo, Inc.Perceptivecredit Holdings, LPPatent Security Agreement
Dec 5, 2018
Reel 47721, frame 9
Sonendo, Inc.Perceptive Credit Holdings, LPAmendment to Patent Security Agreement
Aug 24, 2021
Reel 57279, frame 436
Perceptive Credit Holdings, LPPerceptive Credit Holdings III, LPAssignment of Patent Security Agreement
Oct 27, 2021
Reel 57938, frame 726
Gharib, Morteza; Adams, Joshua; Hars, Erik; Bergheim, Bjarne; Stocks, Karl; Doherty, LanceDentatek CorporationAssignment of Assignor's Interest
Oct 27, 2021
Reel 57945, frame 946
Dentatek CorporationSonendo, Inc.Change of Name

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 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited