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US

Laser Delivery System for Eye Surgery

US 9,259,354 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Aug 11, 2026 (Salem Five Cents Savings Bank).

Term ends Sep 14, 2032 · High confidence

Held by Lensar, Inc.
Filed Jun 8, 2012 as application 13/492,788 · Granted Feb 16, 2016
Base term plus 98 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2012 2032
Clock starts
Jun 8, 2012
Term ends
Sep 14, 2032
Granted
Feb 16, 2016
base term patent term adjustment fee events 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
98
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
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 runs 98 days past its 20-year base term on prosecution delay. 2 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 Jun 8, 2012, when this application, 13/492,788, was filedJun 8, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+98 days, USPTO patent term adjustment recordSep 14, 2032High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 14, 2032High confidence

This family

US 9,259,354this patent
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 12,343,284In force
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
Aug 6, 2013
Reel 30945, frame 289
Horvath, Christopher; Vera, Vanessa IKelotec, LLCAssignment of Assignor's Interest
Dec 4, 2013
Reel 31712, frame 474
Kelo Tec, LLCKelo Tec, Inc.Merger
May 31, 2019
Reel 49329, frame 544
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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