The Patent Finder
US

Identifying Signal Interference Sources

US 11,888,542 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jan 13, 2040 · High confidence

Filed Nov 17, 2021 as application 17/455,329 · Granted Jan 30, 2024
Base term plus 157 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2019 2040
Clock starts
Dec 18, 2019
Term ends
Jan 13, 2040
Granted
Jan 30, 2024
base term patent term adjustment 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
157
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 11,201,682.
0 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.
8
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 157 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 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 18, 2019, when application 16/718,324, the earliest non-provisional in its chain, was filed (this one was filed Nov 17, 2021)Dec 18, 2039High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+157 days, USPTO patent term adjustment recordMay 23, 2040High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 11,201,682)capped to Jan 13, 2040High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 13, 2040High confidence

This family

US 11,362,896In force
Dec 2039
Dec 2039
US 11,201,682In force
Jan 2040
Jan 2040
Application PCT/US2020/064718PCT application
no patent term
no patent term
Application PCT/US2020/065016PCT application
no patent term
no patent term
US 11,888,542this patent
Jan 2040
Jan 2040
US 11,695,635In force
Dec 2039
Dec 2039
US 12,212,377In force
Dec 2039
Dec 2039
Application 19/014,815Pending
not computed
not computed
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 17, 2021
Reel 58141, frame 343
Yao, Kevin; Versteeg, BillDish Wireless L.L.C.Assignment of Assignor's Interest
Oct 10, 2025
Reel 73066, frame 1
Dish Wireless L.L.C.Boost SubscriberCo L.L.C.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.

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