The Patent Finder
US

Systems Including Network Simulating for Mobile Application Development

US 12,135,636 Term ended
OverviewSources & methods

Term ended Jun 9, 2026 · Low confidence

Held by Wapp Tech Corp.
Filed Jun 22, 2020 as application 16/908,322 · Granted Nov 5, 2024
USPTO first gave this application the numbers US 11,886,323 and US 12,026,083 and withdrew each before it issued. Those numbers now lead here.
Base term plus 679 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
Term ended Jun 9, 2026
2006 2026
Clock starts
Jun 9, 2006
Term ended
Jun 9, 2026
Granted
Nov 5, 2024
base term after the term ends 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
679
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,691,579.
None due
Maintenance fees
This term ends before the first maintenance fee's grace period does, 4 years from grant, so no fee can end it early.

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.
Step Input Date after this step Confidence
Base term, 20 years from filingClock starts Jun 9, 2006, when the earliest non-provisional application in its chain was filed (this one was filed Jun 22, 2020); a parent in its chain could not be resolved (the next row)Jun 9, 2026High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+679 days, USPTO patent term adjustment recordApr 18, 2028High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,691,579)capped to Jun 9, 2026High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee eventsNo maintenance fee can end the term earlyterm endedHigh confidence
Further caveats on recordThe record names parents not resolved: 15083186, 11449958, 11449958, 11449958Low confidence overallLow confidence
Computed term endThe steps above, in orderJun 9, 2026Low confidence

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.

Not on this page: the patent's family, its recorded assignments and its citation count. USPTO's assignment records, linked above, list every recorded assignment.

Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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