The Patent Finder
US

Method for Ablating Body Tissue

US 8,146,603 In force
OverviewFamilyAssignmentsSources & methods

Term ends May 11, 2027 · High confidence

Filed Apr 22, 2011 as application 13/092,747 · Granted Apr 3, 2012
Base term, 20 years from filing
Today
20 years from filing
2007 2027
Clock starts
May 11, 2007
Term ends
May 11, 2027
Granted
Apr 3, 2012
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,950,397, to May 11, 2027. The term already ends on or before that date, so the cap shortened nothing.
3 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.
13
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. All three maintenance fees are recorded paid; no more fees are due. 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 May 11, 2007, when application 11/747,862, the earliest non-provisional in its chain, was filed (this one was filed Apr 22, 2011)May 11, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,950,397)resolves to May 11, 2027, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMay 11, 2027High confidence

This family

US 7,950,397In force
May 2027
May 2027
Application 12/695,857Abandoned
not computed
not computed
US 8,146,603this patent
May 2027
May 2027
US 8,511,317Lapsed on the fee record
Aug 2025
Aug 2025
Application 13/446,552Abandoned
not computed
not computed
US 8,607,800In force
May 2027
May 2027
US 9,737,325Lapsed on the fee record
Aug 2025
Aug 2025
Application 15/349,887Abandoned
not computed
not computed
8 of 13 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
Apr 1, 2014
Reel 32572, frame 773
Thapliyal, Hira V.; Gallup, David A.; Arenson, James W.Vytronus, Inc.Assignment of Assignor's Interest
Sep 10, 2014
Reel 33713, frame 166
Vytronus, Inc.Hantel Technologies, Inc.Assignment of Assignor's Interest
Sep 10, 2014
Reel 33763, frame 46
Hantel Technologies, Inc.Vytronus, Inc.Corrective Assignment to Correct the Conveying/Receiving Parties Transposed Previously Recorded at Reel: 033713 Frame: 0166. Assignor(S) Hereby Confirms the Assignment.
Nov 27, 2019
Reel 51147, frame 163
Vytronus, Inc.Silicon Valley BankSecurity Interest
Dec 27, 2019
Reel 51435, frame 1
Silicon Valley BankVytronus, Inc.Release of Security Interest
Jun 4, 2020
Reel 52845, frame 78
Vytronus, Inc.Auris Health, 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