Silk Technologies, Ltd.

7 patents currently held · Updated Nov 14, 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

Aug 2035

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 May 12, 2027
The maintenance fee for Fibroin-derive protein composition (US 10,471,128) comes due May 12, 2027. Unpaid by Nov 12, 2027, it lapses early.
1 fee due Aug 6, 2027
The maintenance fee for Fibroin-derived protein composition (US 11,890,328) comes due Aug 6, 2027. Unpaid by Feb 7, 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 7 of 7

Patent	Title	Status	Expires	Confidence
US 9,394,355	Fibroin-derived protein composition In force Term ends Aug 20, 2035 · From the USPTO record	In force	Term ends Aug 20, 2035	From the USPTO record
US 9,907,836	Fibroin-derived protein composition In force Ends no later than Aug 20, 2035 · From the USPTO record	In force	Ends no later than Aug 20, 2035	From the USPTO record
US 10,471,128	Fibroin-derive protein composition In force Ends no later than Aug 20, 2035 · From the USPTO record	In force	Ends no later than Aug 20, 2035	From the USPTO record
US 11,045,524	Fibroin-derived protein composition In force Ends no later than Aug 20, 2035 · From the USPTO record	In force	Ends no later than Aug 20, 2035	From the USPTO record
US 11,890,328	Fibroin-derived protein composition In force Ends no later than Aug 20, 2035 · From the USPTO record	In force	Ends no later than Aug 20, 2035	From the USPTO record
US 12,350,321	Fibroin-derived protein composition In force Term ends Aug 20, 2035 · From the USPTO record	In force	Term ends Aug 20, 2035	From the USPTO record
US 11,242,367	Silk-Derived Protein for Treating Inflammation In force Term ends Aug 20, 2037 · High confidence	In force	Term ends Aug 20, 2037	High confidence

Also on record, not counted in the 7: 1 patent in force now held by others. 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.

2 pending · 1 no status recorded

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