The Patent Finder
US

Tunable Hybrid III-V/IV Laser Sensor System-On-A Chip for Real-Time Monitoring of a Blood Constituent Concentration Level

US 12,708,293 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jan 1, 2041 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Held by Universiteit Gent; IMEC VZW and IMEC VZW
Filed Aug 15, 2022 as application 17/887,981 · Granted Aug 18, 2026
Base term plus 956 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2018 2041
Clock starts
May 21, 2018
Term ends
Jan 1, 2041
Granted
Aug 18, 2026
base term patent term adjustment 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
956
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
5
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 956 days past its 20-year base term on prosecution delay. 0 of 3 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 May 21, 2018, when application PCT/EP2018/063260, the earliest non-provisional in its chain, was filed (this one was filed Aug 15, 2022); a parent in its chain could not be resolved (the next row)May 21, 2038High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+956 days, USPTO patent term adjustment recordJan 1, 2041High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 1, 2041Medium confidence

This family

US 11,896,373In force
Nov 2040
Nov 2040
US 11,298,057In force
May 2038
May 2038
US 11,696,707In force
May 2038
May 2038
US 12,708,293this patent
Jan 2041
Jan 2041
4 of 5 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
Mar 15, 2023
Reel 62985, frame 45
Vizbaras, Augustinas; Vizbaras, Kristijonas; Simonyte, IevaBrolis Sensor Technology, UabAssignment of Assignor's Interest
May 2, 2023
Reel 63502, frame 470
Roelkens, GüntherUniversiteit Gent; IMEC VZWAssignment of Assignor's Interest
May 2, 2023
reel/frame not recorded
Roelkens, GüntherUniversiteit GentAssignment of Assignor's Interest
May 2, 2023
reel/frame not recorded
Roelkens, GüntherIMEC VZWAssignment 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