Lex Vest Ltd.

5 patents currently held · Updated Nov 15, 2026

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

Ending by 2030

May 2032

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 Oct 7, 2027
The maintenance fee for Method and apparatus for production of uniformly sized nanoparticles (US 10,610,934) comes due Oct 7, 2027. Unpaid by Apr 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 5 of 5

Patent	Title	Status	Expires	Confidence
US 10,610,934	Method and apparatus for production of uniformly sized nanoparticles In force Term ends May 11, 2032 · From the USPTO record	In force	Term ends May 11, 2032	From the USPTO record
US 9,849,512	Method and apparatus for production of uniformly sized nanoparticles In force Term ends Sep 23, 2033 · From the USPTO record	In force	Term ends Sep 23, 2033	From the USPTO record
US 10,137,503	Method and apparatus for production of uniformly sized nanoparticles In force Term ends Oct 10, 2033 · From the USPTO record	In force	Term ends Oct 10, 2033	From the USPTO record
US 9,434,006	Composition containing spherical and coral-shaped nanoparticles and method of making same In force Ends no later than Sep 22, 2035 · From the USPTO record	In force	Ends no later than Sep 22, 2035	From the USPTO record
US 9,919,363	System and method for making non-spherical nanoparticles and nanoparticle compositions made thereby In force Term ends Apr 28, 2036 · From the USPTO record	In force	Term ends Apr 28, 2036	From the USPTO record

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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