The Patent Finder

Topnir Systems SAS

8 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Aug 2032
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

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 Aug 4, 2027
    The maintenance fee for Method for determining the origin of a mixture of constituents by spectral analysis (US 10,551,305) comes due Aug 4, 2027. Unpaid by Feb 4, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

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 8 of 8

PatentTitleStatus Expires Confidence
US 9,664,623Method for detecting the transition of products in a conduit
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,915,606Method for transferring between spectrometers
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,012,587Method for characterising a product by means of topological spectral analysis
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,082,807Method of preparing a certified target product from a mixture of components by spectral analysis
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,228,708Method for optimising a mixture of components by means of spectral analysis
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,191,027Methods of determining properties of oil
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,241,040Method for characterizing a product by means of topological spectral analysis
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,551,305Method for determining the origin of a mixture of constituents by spectral analysis
In force
 · From the USPTO record
In forceFrom the USPTO record

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