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US

Method and Apparatus for Guiding a Test Subject Through an Ophthalmic Test

US 11,089,954 In force
OverviewFamilyAssignmentsSources & methods

Term ends Sep 21, 2039 · High confidence

Filed Sep 21, 2019 as application 16/578,311 · Granted Aug 17, 2021
Base term, 20 years from filing
Today
20 years from filing
2019 2039
Clock starts
Sep 21, 2019
Term ends
Sep 21, 2039
Granted
Aug 17, 2021
base term 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
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.
30
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 Sep 21, 2019, when this application, 16/578,311, was filedSep 21, 2039High 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 orderSep 21, 2039High confidence

This family

Application PCT/US2008/002095PCT application
no patent term
no patent term
US 8,795,191In force
Feb 2031
Feb 2031
US 10,779,722In force
Apr 2028
Apr 2028
US D918,903In force
May 2036
May 2036
US D918,904In force
May 2036
May 2036
US 10,667,683In force
Sep 2039
Sep 2039
US 11,089,954this patent
Sep 2039
Sep 2039
US D929,595In force
Aug 2036
Aug 2036
8 of 30 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
Dec 4, 2019
Reel 51181, frame 4
Jackson, Gregory R.; Beecher, David E.; Orr, David E.; Jones, FrankMaculogix, Inc.Assignment of Assignor's Interest
Dec 5, 2019
Reel 51187, frame 332
Jackson, Gregory R.; Beecher, David E.; Orr, David E.; Jones, FrankMaculogix, Inc.Assignment of Assignor's Interest
Dec 5, 2019
Reel 51187, frame 341
Jackson, Gregory R.; Beecher, David E.; Smith, Nathan; Orr, David E.Maculogix, Inc.Assignment of Assignor's Interest
Nov 4, 2020
Reel 54299, frame 820
Maculogix, Inc.Horizon Technology Finance Corporation, as AgentThird Amendment to Intellectual Property Security Agreement
Nov 4, 2020
Reel 54300, frame 179
Maculogix, Inc.Silicon Valley BankThird Amendment to Intellectual Property Security Agreement
Jan 28, 2021
Reel 55068, frame 182
Maculogix, Inc.The UAB Research FoundationAssignment of Assignor's Interest
Jan 28, 2021
Reel 55068, frame 209
The UAB Research FoundationMaculogix, Inc.Assignment of Assignor's Interest
Mar 3, 2022
Reel 59317, frame 532
Maculogix, Inc.Horizon Technology Finance Corporation, as AgentFourth Amendment to Intellectual Property Security Agreement
Mar 9, 2022
Reel 59356, frame 212
Maculogix, Inc.Fisk Ventures II, LPSecurity Interest
Nov 23, 2022
Reel 61861, frame 246
Maculogix, Inc.Mlogix (ABC), LLCAssignment of Assignor's Interest
Nov 28, 2022
Reel 61890, frame 667
Mlogix (ABC), LLCRetinadx, Inc.Assignment of Assignor's Interest
Dec 20, 2022
Reel 62184, frame 239
Retinadx, Inc.Lumithera Diagnostics, Inc.Change of Name
Jul 25, 2024
Reel 68149, frame 266
Lumithera Diagnostics, Inc.McDermott Will & Emery LLPLien
Apr 29, 2025
Reel 71111, frame 570
McDermott Will & Emery LLPLumithera Diagnostics, Inc.Release of Notice of Lien

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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