Sofusa Holdings LLC

20 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

Apr 2031

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 5, 2027
The maintenance fee for Microneedle Array Assembly and Fluid Delivery Apparatus Having Such an Assembly (US 11,745,002) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
2 fees due Jul 30, 2027
1 fee due Sep 12, 2027
The maintenance fee for Implantable Devices for Delivery of Bioactive Agents (US 11,925,712) comes due Sep 12, 2027. Unpaid by Mar 13, 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.

Patent	Title	Status	Expires	Confidence
US 11,179,555	Nanopatterned Medical Device with Enhanced Cellular Interaction In force Term ends Apr 27, 2031 · High confidence	In force	Term ends Apr 27, 2031	High confidence
US 11,925,712	Implantable Devices for Delivery of Bioactive Agents In force Term ends Apr 27, 2031 · High confidence	In force	Term ends Apr 27, 2031	High confidence
US 12,017,031	Nanopatterned Medical Device with Enhanced Cellular Interaction In force Term ends Apr 27, 2031 · High confidence	In force	Term ends Apr 27, 2031	High confidence
US 12,064,582	Composite Microneedle Array Including Nanostructures Thereon In force Term ends Apr 27, 2031 · High confidence	In force	Term ends Apr 27, 2031	High confidence
US 11,565,098	Device for Delivery of Rheumatoid Arthritis Medication In force Ends no later than Feb 24, 2032 · Low confidence	In force	Ends no later than Feb 24, 2032	Low confidence
US 12,138,415	Increased Bioavailability of Transdermally Delivered Agents In force Term ends Mar 6, 2033 · Medium confidence	In force	Term ends Mar 6, 2033	Medium confidence
US 12,697,473	Device for Delivery of Rheumatoid Arthritis Medication In force Term ends Mar 6, 2033 · Medium confidence	In force	Term ends Mar 6, 2033	Medium confidence
US 11,883,622	Transdermal Drug Delivery Device In force Term ends Feb 18, 2035 · Medium confidence	In force	Term ends Feb 18, 2035	Medium confidence
US 9,962,536	Draped Microneedle Array In force Term ends Apr 29, 2035 · High confidence	In force	Term ends Apr 29, 2035	High confidence
US 11,247,033	Transdermal Drug Delivery Apparatus and Methods In force Term ends Oct 27, 2035 · High confidence	In force	Term ends Oct 27, 2035	High confidence

10 of 20 patents shown.

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Pro members: see all 20 patents

Also on record, not counted in the 20: 1 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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