The Patent Finder
US

Parameterized Radio Waveform Techniques for Operating in Multiple Wireless Environments

US 12,003,981 In force, term unresolved
OverviewFamilyAssignmentsSources & methods

Term ends no later than Aug 19, 2034 · Medium confidence

In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Filed May 30, 2023 as application 18/203,456 · Granted Jun 4, 2024
Base term, 20 years from filing
Today
20 years from filing
2014 2034
Clock starts
Aug 19, 2014
Ends no later than
Aug 19, 2034
Granted
Jun 4, 2024
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.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
0 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.
9
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 on file with no resolved reference, so no cap is applied and none is guessed. 0 of 2 maintenance fees are paid so far. Confidence: Medium. 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 Aug 19, 2014, when application 14/463,125, the earliest non-provisional in its chain, was filed (this one was filed May 30, 2023)Aug 19, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Aug 19, 2034Medium confidence

This family

US 9,749,879In force
Nov 2034
Nov 2034
US 9,913,153In force
Aug 2034
Aug 2034
US 10,075,857In force
Aug 2034
Aug 2034
US 10,206,126In force
Aug 2034
Aug 2034
US 10,567,981In force
Aug 2034
Aug 2034
US 11,172,383In force
Aug 2034
Aug 2034
US 11,706,641In force
Aug 2034
Aug 2034
US 12,003,981this patent
no later than Aug 2034
no later than Aug 2034
8 of 9 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
May 30, 2023
Reel 63798, frame 445
Eng, Tommy K.; Shelby, Kevin A.Coherent Logix, IncorporatedAssignment of Assignor's Interest
May 6, 2024
Reel 67325, frame 476
Coherent Logix, IncorporatedPacific Cap Acquisition Fund, LLCSecurity Interest
Aug 6, 2025
Reel 72370, frame 394
Coherent Logix, Inc.Pacific Cap Acquisition Fund, LLCAssignment of Assignor's Interest
Aug 8, 2025
Reel 72342, frame 90
Pacific Cap Acquisition Fund, LLCHyperx Holdings LLCAssignment 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