Leonhardt Ventures LLC

15 patents currently held · Updated Nov 14, 2026

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

Ending by 2030

Mar 2037

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 Jan 4, 2027
The maintenance fee for Bioelectric Opg Treatment of Cancer (US 11,691,007) comes due Jan 4, 2027. Unpaid by Jul 6, 2027, it lapses early.
1 fee due May 21, 2027
The maintenance fee for Skin treatment system (US 11,819,688) comes due May 21, 2027. Unpaid by Nov 22, 2027, it lapses early.
1 fee due Jul 23, 2027
The maintenance fee for COL17A1 modulation (US 11,878,161) comes due Jul 23, 2027. Unpaid by Jan 24, 2028, it lapses early.
1 fee due Nov 12, 2027
The maintenance fee for Stimulator, Pump & Composition (US 10,646,644) comes due Nov 12, 2027. Unpaid by May 12, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 16, 2026
2 terms have ended since Aug 16, 2026

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.

Patent	Title	Status	Expires	Confidence
US 10,646,644	Stimulator, Pump & Composition In force Term ends Mar 15, 2037 · High confidence	In force	Term ends Mar 15, 2037	High confidence
US 11,471,686	Klotho Modulation In force Term ends Jun 25, 2037 · High confidence	In force	Term ends Jun 25, 2037	High confidence
US 11,691,007	Bioelectric Opg Treatment of Cancer In force Term ends Jun 25, 2037 · Medium confidence	In force	Term ends Jun 25, 2037	Medium confidence
US 10,960,206	Bioelectric Stimulator In force Ends no later than Aug 9, 2037 · Low confidence	In force	Ends no later than Aug 9, 2037	Low confidence
US 11,185,691	Tumor Therapy In force Term ends Aug 18, 2037 · High confidence	In force	Term ends Aug 18, 2037	High confidence
US 11,819,688	Skin treatment system In force Term ends Oct 14, 2037 · From the USPTO record	In force	Term ends Oct 14, 2037	From the USPTO record
US 11,110,274	System and Method for Treating Inflammation In force Term ends Oct 16, 2037 · High confidence	In force	Term ends Oct 16, 2037	High confidence
US 11,052,247	Skin Treatment System In force Term ends Nov 1, 2037 · High confidence	In force	Term ends Nov 1, 2037	High confidence
US 11,167,141	Bioelectric Blood Pressure Management In force Term ends Nov 17, 2037 · High confidence	In force	Term ends Nov 17, 2037	High confidence
US 12,109,410	Bioelectric Stimulator In force Term ends Feb 4, 2038 · Medium confidence	In force	Term ends Feb 4, 2038	Medium confidence

10 of 15 patents shown.

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Pro members: see all 15 patents

Also on record, not counted in the 15: 2 lapsed for an unpaid fee. 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 abandoned · 10 no status recorded

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