Marshall Group AB

10 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

Dec 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 7, 2027
The maintenance fee for Multi-function control of one or several multimedia playback devices (US 10,531,182) comes due Jul 7, 2027. Unpaid by Jan 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 10 of 10

Patent	Title	Status	Expires	Confidence
US 9,635,451	Audio accessory including a headphone with separate sockets In force Term ends Dec 23, 2031 · From the USPTO record	In force	Term ends Dec 23, 2031	From the USPTO record
US 10,149,040	Audio listening arrangement In force Term ends May 5, 2036 · From the USPTO record	In force	Term ends May 5, 2036	From the USPTO record
US 10,257,604	Headset with Ear Support In force Ends no later than Jun 3, 2036 · Medium confidence	In force	Ends no later than Jun 3, 2036	Medium confidence
US 10,531,182	Multi-function control of one or several multimedia playback devices In force Term ends Dec 12, 2036 · From the USPTO record	In force	Term ends Dec 12, 2036	From the USPTO record
US 11,496,849	Acoustic radiation reproduction In force Term ends Jul 13, 2038 · From the USPTO record	In force	Term ends Jul 13, 2038	From the USPTO record
US 11,137,792	Controllable device and a knob for controlling a function of the controllable device In force Term ends Sep 11, 2038 · From the USPTO record	In force	Term ends Sep 11, 2038	From the USPTO record
US 11,516,585	Headband for a pair of headphones In force Term ends May 13, 2039 · From the USPTO record	In force	Term ends May 13, 2039	From the USPTO record
US 11,425,480	User Input Element In force Term ends Nov 13, 2040 · High confidence	In force	Term ends Nov 13, 2040	High confidence
US 11,368,781	Collapsible Headphone In force Term ends Dec 14, 2040 · High confidence	In force	Term ends Dec 14, 2040	High confidence
US 12,470,076	Charging container for storing and charging an in-ear audio listening device In force Term ends Jan 26, 2043 · From the USPTO record	In force	Term ends Jan 26, 2043	From the USPTO record

Also on record, not counted in the 10: 7 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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