The Patent Finder

Paris Sciences et Lettres

32 patents currently held · Updated Nov 15, 2026
23 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jul 2035
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 Nov 30, 2026
    The maintenance fee for Metal / Metal Chalcogenide Electrode With High Specific Surface Area (US 11,661,662) comes due Nov 30, 2026. Unpaid by Jun 1, 2027, it lapses early.
  • 2 fees due Oct 2 to 9, 2027 · next Oct 2

Which patents, and when each one lapses · Pro

Recent changes

  • 2 of the patents on this record were granted since Aug 17, 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.
PatentTitleStatus Expires Confidence
US 10,138,278Fluorogen Activating and Shifting Tag (FAST)
In force
 · High confidence
In forceHigh confidence
US 11,040,083Polypeptides Comprising Vinculin Binding Sites for the Treatment of Proliferation And/Or Adhesion Related Diseases
In force
 · High confidence
In forceHigh confidence
US 10,858,357Water-Soluble Myosin 2 Inhibitors for the Treatment of Neurological, Neuropathic or Psychiatric Diseases
In force
 · High confidence
In forceHigh confidence
US 11,170,945Improved Supercapacitor with Electrolyte
In force
 · High confidence
In forceHigh confidence
US 10,998,457Improved Contacts for a Photovoltaic Cell with Two Active Surfaces
In force
 · High confidence
In forceHigh confidence
US 10,882,753A Method For Exchanging Interlayer Anions Of A Layered Double Hydroxide
In force
 · High confidence
In forceHigh confidence
US 11,253,835Diphasic Gas/Liquid Plasma Reactor
In force
 · High confidence
In forceHigh confidence
US 11,661,662Metal / Metal Chalcogenide Electrode With High Specific Surface Area
In force
 · High confidence
In forceHigh confidence
US 11,162,951Membrane-Impermeant Fluorogenic Chromophores
In force
 · High confidence
In forceHigh confidence
US 10,975,462Ternary Ti-Zr-O Alloys, Methods for Producing Same and Associated Utilizations Thereof
In force
 · High confidence
In forceHigh confidence
10 of 32 patents shown.
Pro members see all 32.
Pro members: see all 32 patents
Also on record, not counted in the 32: 23 patents in force now held by others · 4 lapsed for an unpaid fee. List them

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

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

29 pending · 3 abandoned · 2 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited