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US

Intraocular Lens Designs for Improved Stability

US 11,045,309 In force
OverviewFamilyAssignmentsSources & methods

Term ends May 3, 2037 · High confidence

Held by Alcon Inc.
Filed May 3, 2017 as application 15/585,901 · Granted Jun 29, 2021
Base term, 20 years from filing
Today
20 years from filing
2017 2037
Clock starts
May 3, 2017
Term ends
May 3, 2037
Granted
Jun 29, 2021
base term fee events 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.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
26
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. 1 of 3 maintenance fees is 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 May 3, 2017, when this application, 15/585,901, was filedMay 3, 2037High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMay 3, 2037High confidence

This family

Application PCT/US2013/022752PCT application
no patent term
no patent term
US 9,095,424In force
Jan 2033
Jan 2033
US 9,125,736In force
Jan 2033
Jan 2033
US 9,289,287In force
Jan 2033
Jan 2033
Application PCT/US2014/037646PCT application
no patent term
no patent term
US 10,080,648In force
Sep 2036
Sep 2036
Application PCT/US2015/014046PCT application
no patent term
no patent term
US 9,387,069In force
Jan 2033
Jan 2033
8 of 26 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 22, 2017
Reel 42456, frame 44
Sussman, Glenn; Zacher, Rudolph F.; McLean, Paul J.; Atkinson, Robert E.Clarvista Medical, Inc.Assignment of Assignor's Interest
May 25, 2017
Reel 42509, frame 146
Kahook, Malik Y.The Regents of the University of Colorado, a Body CorporateAssignment of Assignor's Interest
Dec 13, 2019
Reel 51285, frame 560
Clarvista Medical, Inc.Alcon Inc.Confirmatory Deed of Assignment Effective April 8, 2019

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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