Technolas Perfect Vision GmbH

22 patents currently held · Updated Nov 15, 2026

7 more in force are now held by other companies

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

Recorded under 2 name spellings.

Ending by 2030

Dec 2026

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

No maintenance fee falls due on this company's record before Nov 15, 2027.

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 7,643,521	Material Processing System with Variable Repetition Rate Laser In force Term ends Dec 25, 2026 · High confidence	In force	Term ends Dec 25, 2026	High confidence
US 8,528,566	System and Method for Precise Beam Positioning in Ocular Surgery In force Term ends Jan 19, 2027 · High confidence	In force	Term ends Jan 19, 2027	High confidence
US 9,636,256	Method and Apparatus for Calculating a Laser Shot File for Use in an Excimer Laser In force Term ends Oct 30, 2027 · Medium confidence	In force	Term ends Oct 30, 2027	Medium confidence
US 7,717,907	Method for Intrastromal Refractive Surgery In force Term ends Dec 17, 2027 · High confidence	In force	Term ends Dec 17, 2027	High confidence
US 7,717,908	Method Patterns for Intrastromal Refractive Surgery In force Ends no later than Dec 17, 2027 · Medium confidence	In force	Ends no later than Dec 17, 2027	Medium confidence
US 8,740,888	Computer Control for Bio-Mechanical Alteration of the Cornea In force Ends no later than Jan 18, 2028 · Medium confidence	In force	Ends no later than Jan 18, 2028	Medium confidence
US 8,409,179	System for Performing Intrastromal Refractive Surgery In force Ends no later than Apr 26, 2028 · Low confidence	In force	Ends no later than Apr 26, 2028	Low confidence
US 7,662,148	Systems and Methods for Intrastromal Scanning Patterns In force Term ends Aug 23, 2028 · High confidence	In force	Term ends Aug 23, 2028	High confidence
US 7,717,905	Time-Resolved Scanning Patterns for Intrastromal Surgery In force Term ends Nov 14, 2028 · High confidence	In force	Term ends Nov 14, 2028	High confidence
US 7,844,425	Finite Element Modeling of the Cornea In force Term ends Dec 14, 2028 · High confidence	In force	Term ends Dec 14, 2028	High confidence

10 of 22 patents shown.

Pro members see all 22.

Pro members: see all 22 patents

Also on record, not counted in the 22: 7 patents in force now held by others · 16 lapsed for an unpaid fee · 32 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.

3 pending · 1 abandoned

List them