Ecole Polytechnique
31 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.
Recorded under 8 name spellings.
2
Ending by 2030
Nov 2028
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 Mar 15, 2027The maintenance fee for Device for Forming Drops in a Microfluidic Circuit (US 9,133,009) comes due Mar 15, 2027. Unpaid by Sep 15, 2027, it lapses early.
- 1 fee due May 7, 2027The maintenance fee for Three Terminal Tandem Solar Generation Unit (US 11,812,621) comes due May 7, 2027. Unpaid by Nov 8, 2027, it lapses early.
- 1 fee due Oct 12, 2027The maintenance fee for Crystallographically Textured Metal Substrate, Crystallographically Textured Device, Cell and Photovoltaic Module Including Such Device and Thin Layer Deposition Method (US 9,309,592) comes due Oct 12, 2027. Unpaid by Apr 12, 2028, it lapses early.
Recent changes
- 3 of the patents on this record were 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,268,068 | Metal-Polymer Coordination Complex Incorporating Phosphorus Atoms and Applications Using Such a Complex In force · High confidence | In force | High confidence | |
| US 9,309,592 | Crystallographically Textured Metal Substrate, Crystallographically Textured Device, Cell and Photovoltaic Module Including Such Device and Thin Layer Deposition Method In force · High confidence | In force | High confidence | |
| US 9,133,009 | Device for Forming Drops in a Microfluidic Circuit In force · High confidence | In force | High confidence | |
| US 9,514,961 | Method for Chemically Passivating a Surface of a Product Made of a III-V Semiconductor Material and the Product Obtained by Such a Method In force · High confidence | In force | High confidence | |
| US 9,761,877 | Anodes Including Methylated Amorphous Silicon for Lithium Ion Batteries In force · High confidence | In force | High confidence | |
| US 9,711,927 | Heuristic laser device using an apparatus for producing laser pulses, and corresponding heuristic method In force · From the USPTO record | In force | From the USPTO record | |
| US 9,911,892 | Method for the Low-Temperature Production of Radial-Junction Semiconductor Nanostructures, Radial Junction Device, and Solar Cell Including Radial-Junction Nanostructures In force · High confidence | In force | High confidence | |
| US 12,071,658 | Microfluidic Process for Treating and Analysing a Solution Containing a Biological Material and Corresponding Microfluidic Circuit In force · High confidence | In force | High confidence | |
| US 10,094,766 | Device and Method for Remote Polarimetric Characterization In force · High confidence | In force | High confidence | |
| US 9,776,742 | Device for Forming a Quasi-Neutral Beam of Oppositely Charged Particles In force · High confidence | In force | High confidence |
Also on record, not counted in the 36: 31 patents in force now held by others · 76 lapsed for an unpaid fee · 23 ended at full term. 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.
23 pending · 20 abandoned · 5 no status recorded