Csi Cells Co., Ltd.

10 patents currently held · Updated Nov 15, 2026

1 more in force is now held by another company

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

Ending by 2030

Oct 2028

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 10, 2027
The maintenance fee for Method for Producing a Textured Structure of a Crystalline Silicon Solar Cell (US 10,411,145) comes due Mar 10, 2027. Unpaid by Sep 10, 2027, it lapses early.
1 fee due Apr 6, 2027
The maintenance fee for Solar cell modules and methods of manufacturing the same (US 9,153,713) comes due Apr 6, 2027. Unpaid by Oct 6, 2027, 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 10 of 10

Patent	Title	Status	Expires	Confidence
US 7,611,977	Process of phosphorus diffusion for manufacturing solar cell In force Term ends Oct 3, 2028 · From the USPTO record	In force	Term ends Oct 3, 2028	From the USPTO record
US 9,153,713	Solar cell modules and methods of manufacturing the same In force (reinstated) Term ends Mar 23, 2034 · From the USPTO record	In force (reinstated)	Term ends Mar 23, 2034	From the USPTO record
US D894,115	Solar panel In force Term ends Aug 25, 2035 · From the USPTO record	In force	Term ends Aug 25, 2035	From the USPTO record
US D902,845	Solar cell panel In force Term ends Nov 24, 2035 · From the USPTO record	In force	Term ends Nov 24, 2035	From the USPTO record
US 9,966,484	Process for preparing passivated emitter rear contact (PERC) solar cells In force Term ends Dec 31, 2035 · From the USPTO record	In force	Term ends Dec 31, 2035	From the USPTO record
US 10,411,145	Method for Producing a Textured Structure of a Crystalline Silicon Solar Cell In force Term ends Jun 27, 2037 · High confidence	In force	Term ends Jun 27, 2037	High confidence
US D1,016,734	Solar panel In force Term ends Mar 5, 2039 · From the USPTO record	In force	Term ends Mar 5, 2039	From the USPTO record
US D1,022,870	Solar panel In force Term ends Apr 16, 2039 · From the USPTO record	In force	Term ends Apr 16, 2039	From the USPTO record
US 11,094,838	Texturization method of silicon wafers, product obtained therefrom and preparation method of solar cells In force Term ends May 1, 2039 · From the USPTO record	In force	Term ends May 1, 2039	From the USPTO record
US 12,107,179	Photovoltaic assembly In force Term ends May 6, 2041 · From the USPTO record	In force	Term ends May 6, 2041	From the USPTO record

Also on record, not counted in the 10: 1 patent in force now held by others · 4 lapsed for an unpaid fee · 1 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.

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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.

1 pending · 3 no status recorded

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