Touchlight IP Limited

10 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.

Ending by 2030

Oct 2030

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 Feb 18, 2027
The maintenance fee for Production of Closed Linear DNA (US 9,109,250) comes due Feb 18, 2027. Unpaid by Aug 18, 2027, it lapses early.
1 fee due Jun 10, 2027
The maintenance fee for Cell-Free Synthesis of DNA by Strand Displacement (US 10,501,782) comes due Jun 10, 2027. Unpaid by Dec 10, 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 11,384,388	DNA Vaccines In force Ends no later than Oct 24, 2030 · Medium confidence	In force	Ends no later than Oct 24, 2030	Medium confidence
US 9,109,250	Production of Closed Linear DNA In force Term ends Jan 17, 2031 · High confidence	In force	Term ends Jan 17, 2031	High confidence
US 12,655,477	DNA Vaccines In force Term ends Jan 17, 2031 · High confidence	In force	Term ends Jan 17, 2031	High confidence
US 9,499,847	Production of closed linear DNA using a palindromic sequence In force Term ends Aug 4, 2031 · From the USPTO record	In force	Term ends Aug 4, 2031	From the USPTO record
US 10,501,782	Cell-Free Synthesis of DNA by Strand Displacement In force Term ends Aug 21, 2035 · High confidence	In force	Term ends Aug 21, 2035	High confidence
US 12,509,718	Method of DNA Synthesis In force Term ends Feb 17, 2036 · High confidence	In force	Term ends Feb 17, 2036	High confidence
US 11,149,302	Method of DNA Synthesis In force Term ends Apr 1, 2037 · High confidence	In force	Term ends Apr 1, 2037	High confidence
US 11,505,821	Closed Linear DNA Production In force Term ends Nov 7, 2037 · High confidence	In force	Term ends Nov 7, 2037	High confidence
US 12,703,878	Closed Linear DNA Production In force Term ends Jun 19, 2038 · High confidence	In force	Term ends Jun 19, 2038	High confidence
US 12,221,614	Reprogramming Vectors In force Term ends Apr 15, 2042 · High confidence	In force	Term ends Apr 15, 2042	High confidence

Also on record, not counted in the 10: 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.

4 pending · 1 no status recorded

List them