Ambidio, Inc.

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

Jan 2035

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 Nov 21, 2026
The maintenance fee for Apparatus and method for sound stage enhancement (US 10,299,057) comes due Nov 21, 2026. Unpaid by May 21, 2027, it lapses early.
2 fees due Dec 4, 2026
1 fee due Mar 10, 2027
The maintenance fee for Apparatus and method for sound stage enhancement (US 10,412,520) comes due Mar 10, 2027. Unpaid by Sep 10, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 term has ended since Aug 17, 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.

Showing 1 to 5 of 5

Patent	Title	Status	Expires	Confidence
US 9,532,156	Apparatus and Method for Sound Stage Enhancement In force Term ends Jan 21, 2035 · High confidence	In force	Term ends Jan 21, 2035	High confidence
US 10,299,057	Apparatus and method for sound stage enhancement In force Ends no later than Oct 27, 2035 · From the USPTO record	In force	Ends no later than Oct 27, 2035	From the USPTO record
US 10,313,813	Apparatus and method for sound stage enhancement In force Ends no later than Oct 27, 2035 · From the USPTO record	In force	Ends no later than Oct 27, 2035	From the USPTO record
US 10,313,814	Apparatus and method for sound stage enhancement In force Ends no later than Oct 27, 2035 · From the USPTO record	In force	Ends no later than Oct 27, 2035	From the USPTO record
US 10,412,520	Apparatus and method for sound stage enhancement In force Ends no later than Oct 27, 2035 · From the USPTO record	In force	Ends no later than Oct 27, 2035	From the USPTO record

Also on record, not counted in the 5: 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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Published applications

Every application published under this name has become a patent.