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Combined Laser and Phacoemulsification System for Eye Surgery

US 12,343,284 In force, term unresolved
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Aug 11, 2026 (Salem Five Cents Savings Bank).

Term ends no later than Jun 8, 2032 · Low 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.

Held by Lensar, Inc.
Filed Oct 18, 2021 as application 17/504,131 · Granted Jul 1, 2025
Base term, 20 years from filing
Today
20 years from filing
2012 2032
Clock starts
Jun 8, 2012
Ends no later than
Jun 8, 2032
Granted
Jul 1, 2025
base term 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
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 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
7
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 1 maintenance fees are paid so far. Confidence: Low. 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 Jun 8, 2012, when application 13/492,788, the earliest non-provisional in its chain, was filed (this one was filed Oct 18, 2021); a parent in its chain could not be resolved (the next row)Jun 8, 2032High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium 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 1 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Jun 8, 2032Low confidence

This family

US 9,259,354In force
Sep 2032
Sep 2032
US 11,147,708In force
Jun 2032
Jun 2032
US 11,571,335In force
Jun 2032
Jun 2032
US 12,350,196In force
Nov 2032
Nov 2032
US 12,343,284this patent
no later than Jun 2032
no later than Jun 2032
Application 18/105,900Pending
not computed
not computed
Application 19/255,251Pending
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
Jun 9, 2022
Reel 60155, frame 859
Kelo Tec, Inc.Lensar, Inc.Assignment of Assignor's Interest
Aug 11, 2026
Reel 76463, frame 914
Lensar, Inc.Salem Five Cents Savings BankSecurity 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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