The Patent Finder

Cassini Technologies B.V.

5 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Mar 2030
Next term end

When these terms end

Held patents by the year their term ends
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Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
  • 1 fee due Jul 28, 2027
    The maintenance fee for Determining global shape parameters of a cornea using a two-fold fitting from measurement data to an aspheric toric surface model (US 10,542,884) comes due Jul 28, 2027. Unpaid by Jan 28, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 of the patents on this record was granted since Aug 16, 2026

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Showing 1 to 5 of 5

PatentTitleStatus Expires Confidence
US 9,743,832Apparatus for corneal shape analysis and method for determining a corneal thickness
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,542,884Determining global shape parameters of a cornea using a two-fold fitting from measurement data to an aspheric toric surface model
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,363,949Eye measuring apparatus
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,191,429Device and method to determine a state of a lacrimal layer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,711,638Ophthmalogic Surgical System
In force
 · High confidence
In forceHigh confidence

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Published applications

Every application published under this name has become a patent.

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