Microsurgical Technology, Inc.

14 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

Aug 2027

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.

3 fees due Mar 5 to 22, 2027 · next Mar 5
1 fee due Apr 24, 2027
The maintenance fee for Expansion ring for eyeball tissue (US 11,793,503) comes due Apr 24, 2027. Unpaid by Oct 25, 2027, it lapses early.
1 fee due Jun 30, 2027
The maintenance fee for Expansion ring for eyeball tissue (US 10,517,582) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.
1 fee due Jul 21, 2027
The maintenance fee for Implantation assembly for an iris-expanding device (US 10,537,473) comes due Jul 21, 2027. Unpaid by Jan 21, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

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 7,959,641	Tubular cutter device and methods for cutting and removing strips of tissue from the body of a patient In force Term ends Aug 1, 2027 · From the USPTO record	In force	Term ends Aug 1, 2027	From the USPTO record
US 7,981,108	Protective Cover for a Surgical Tool In force Term ends Nov 9, 2027 · High confidence	In force	Term ends Nov 9, 2027	High confidence
US 9,763,653	Expansion ring for eyeball tissue In force Term ends Mar 5, 2028 · From the USPTO record	In force	Term ends Mar 5, 2028	From the USPTO record
US 9,918,710	Expansion ring for eyeball tissue In force Ends no later than Mar 5, 2028 · From the USPTO record	In force	Ends no later than Mar 5, 2028	From the USPTO record
US 9,974,688	Method of implanting an iris-expanding device In force Term ends Mar 5, 2028 · From the USPTO record	In force	Term ends Mar 5, 2028	From the USPTO record
US 9,980,852	Implantation assembly for an iris-expanding device In force Term ends Mar 5, 2028 · From the USPTO record	In force	Term ends Mar 5, 2028	From the USPTO record
US 10,517,582	Expansion ring for eyeball tissue In force Term ends Mar 5, 2028 · From the USPTO record	In force	Term ends Mar 5, 2028	From the USPTO record
US 10,537,473	Implantation assembly for an iris-expanding device In force Ends no later than Mar 5, 2028 · From the USPTO record	In force	Ends no later than Mar 5, 2028	From the USPTO record
US 11,602,456	Ring Used In A Small Pupil Phacoemulsification Procedure In force Ends no later than Mar 5, 2028 · Low confidence	In force	Ends no later than Mar 5, 2028	Low confidence
US 11,793,503	Expansion ring for eyeball tissue In force Term ends Mar 5, 2028 · From the USPTO record	In force	Term ends Mar 5, 2028	From the USPTO record

10 of 14 patents shown.

Pro members see all 14.

Pro members: see all 14 patents

Also on record, not counted in the 14: 7 lapsed for an unpaid fee · 18 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

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.

2 pending · 2 abandoned · 9 no status recorded

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