Two patents currently held, every record listed here
3 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.
The next term ends in Jan 2033. from the record
Of the 3 now held by other companies, 3 name Electricite de France as their current owner. Each row says so.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Jan 2033
Next term end
2
Patent families
When these terms end
Each bar runs from grant to computed term end. 2014 to 2033.
US 8,883,547
Production of Thin Films Having Photovoltaic Properties, Comprising Depositing an Alternate I/III or III/I Multi-Layer Structure and Annealing Said Structure
Jun 9, 2031
US 9,478,695
Interface Between a I/III/VI2 Layer and a Back Contact Layer in a Photovoltaic Cell
Nov 22, 2032
US 9,112,099
Laser Etching a Stack of Thin Layers for a Connection of a Photovoltaic Cell
Jan 28, 2033
US 9,647,151
Checking the Stoichiometry of I-III-VI Layers for Use in Photovoltaic Using Improved Electrolysis Conditions
Aug 4, 2033
20182022202620302033
Every computed term in this portfolio is shown above.Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Only 2 of the currently held patents qualify as notable.
Notable
Ends Dec 2033 · High confidence
Also notable
Ends Jan 2033 · High confidence
Photoreflectance Device
US 9,377,300
Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2033.
Laser Etching a Stack of Thin Layers for a Connection of a Photovoltaic Cell
US 9,112,099
Granted 2015 and renewed at every maintenance window due so far. Protection runs to 2033.
Formerly held, still cited
Notable
Ends Jun 2031 · High confidence
Renewed at every maintenance window since the 2014 grant; no more fees are due before its term ends in 2031.
now held by Electricite de France
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 Feb 18, 2027The maintenance fee for Laser Etching a Stack of Thin Layers for a Connection of a Photovoltaic Cell (US 9,112,099) comes due Feb 18, 2027. Unpaid by Aug 18, 2027, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
What they patent
Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.
| Photoreflectance Device | 1 in force | to Dec 2033 |
| Laser Etching a Stack of Thin Layers for a Connection of a Photovoltaic Cell | 1 in force | to Jan 2033 |
Patents held now
Soonest term end first.
Showing 1 to 2 of 2
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,112,099 | Laser Etching a Stack of Thin Layers for a Connection of a Photovoltaic Cell In force · High confidence | In force | High confidence | |
| US 9,377,300 | Photoreflectance Device held by Nexcis and Universite d'Aix-Marseille In force · High confidence | In force | High confidence |
Also on record, not counted in the 2: 3 patents in force now held by others · 4 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.