Flagship Brands, 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

Nov 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 Jul 2, 2027
The maintenance fee for Knit Sock with Targeted Compression Zone (US 11,859,319) comes due Jul 2, 2027. Unpaid by Jan 3, 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

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 8,973,411	Knit Sock with Targeted Compression Zone In force Term ends Nov 15, 2031 · High confidence	In force	Term ends Nov 15, 2031	High confidence
US 10,011,926	Knit Sock with Targeted Compression Zone In force Term ends Nov 15, 2031 · High confidence	In force	Term ends Nov 15, 2031	High confidence
US 11,608,576	Knit Sock with Targeted Compression Zone In force Term ends Nov 15, 2031 · High confidence	In force	Term ends Nov 15, 2031	High confidence
US 11,643,761	Knit sock with targeted compression zones, and method for lifting and stretching the plantar fascia In force Term ends Nov 15, 2031 · From the USPTO record	In force	Term ends Nov 15, 2031	From the USPTO record
US 11,859,319	Knit Sock with Targeted Compression Zone In force Term ends Nov 15, 2031 · High confidence	In force	Term ends Nov 15, 2031	High confidence
US 12,054,858	Knit sock with targeted compression zones, and method for lifting and stretching the plantar fascia In force Term ends Nov 15, 2031 · From the USPTO record	In force	Term ends Nov 15, 2031	From the USPTO record
US 12,270,132	Knit sock with targeted compression zones, and method for lifting and stretching the plantar fascia In force Term ends Nov 15, 2031 · From the USPTO record	In force	Term ends Nov 15, 2031	From the USPTO record
US 12,281,418	Knit Sock with Targeted Compression Zone In force Term ends Nov 15, 2031 · High confidence	In force	Term ends Nov 15, 2031	High confidence
US 12,668,901	Knit Sock with Targeted Compression Zones, and Method for Lifting and Stretching the Plantar Fascia In force Ends no later than Nov 15, 2031 · Low confidence	In force	Ends no later than Nov 15, 2031	Low confidence
US 12,735,818	Knit Sock with Targeted Compression Zone In force Term ends Nov 15, 2031 · High confidence	In force	Term ends Nov 15, 2031	High confidence

10 of 15 patents shown.

Pro members see all 15.

Pro members: see all 15 patents

Also on record, not counted in the 15: 3 ended at full term. 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

Every application published under this name has become a patent.