Excel-Lens, Inc.

14 patents currently held · Updated Nov 15, 2026

1 more in force is now held by another company

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Sep 2028

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 Dec 25, 2026
The maintenance fee for Laser assisted cataract surgery (US 10,327,951) comes due Dec 25, 2026. Unpaid by Jun 25, 2027, it lapses early.
2 fees due Apr 13 to 17, 2027 · next Apr 13
1 fee due Aug 18, 2027
The maintenance fee for Laser assisted cataract surgery (US 10,561,531) comes due Aug 18, 2027. Unpaid by Feb 18, 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 8,562,596	Laser-assisted thermal separation of tissue In force Ends no later than Sep 26, 2028 · From the USPTO record	In force	Ends no later than Sep 26, 2028	From the USPTO record
US 9,351,877	Laser-assisted thermal separation of tissue In force Ends no later than Sep 26, 2028 · From the USPTO record	In force	Ends no later than Sep 26, 2028	From the USPTO record
US 9,579,235	Laser-assisted thermal separation of tissue In force Ends no later than Sep 26, 2028 · From the USPTO record	In force	Ends no later than Sep 26, 2028	From the USPTO record
US 9,872,797	Laser-assisted thermal separation of tissue In force Ends no later than Sep 26, 2028 · From the USPTO record	In force	Ends no later than Sep 26, 2028	From the USPTO record
US 9,155,657	Laser-assisted thermal separation of tissue In force Term ends Oct 20, 2028 · From the USPTO record	In force	Term ends Oct 20, 2028	From the USPTO record
US 8,409,182	Laser-assisted thermal separation of tissue In force Term ends Feb 1, 2032 · From the USPTO record	In force	Term ends Feb 1, 2032	From the USPTO record
US 8,801,185	Ophthalmic Inspection Lens In force Term ends Mar 25, 2032 · High confidence	In force	Term ends Mar 25, 2032	High confidence
US 10,206,817	Laser assisted cataract surgery In force Ends no later than Feb 28, 2034 · From the USPTO record	In force	Ends no later than Feb 28, 2034	From the USPTO record
US 10,231,872	Laser assisted cataract surgery In force Ends no later than Feb 28, 2034 · From the USPTO record	In force	Ends no later than Feb 28, 2034	From the USPTO record
US 10,327,951	Laser assisted cataract surgery In force Ends no later than Feb 28, 2034 · From the USPTO record	In force	Ends no later than Feb 28, 2034	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: 1 patent in force now held by others · 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.

Export every term end as CSV · Pro

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.

1 pending · 2 abandoned · 1 no status recorded

List them