EV Group GmbH

30 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

Mar 2029

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.

2 fees due Dec 9 to 23, 2026 · next Dec 9
1 fee due Mar 22, 2027
The maintenance fee for Device for separating a substrate from a carrier substrate (US 9,138,978) comes due Mar 22, 2027. Unpaid by Sep 22, 2027, it lapses early.
1 fee due May 17, 2027
The maintenance fee for Method for stripping a product substrate from a carrier substrate (US 9,186,877) comes due May 17, 2027. Unpaid by Nov 17, 2027, it lapses early.
2 fees due Sep 1 to 8, 2027 · next Sep 1

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 8,597,980	Method for bonding of chips on wafers In force Term ends Mar 13, 2029 · From the USPTO record	In force	Term ends Mar 13, 2029	From the USPTO record
US 8,603,294	Method for stripping a wafer from a carrier In force Term ends Mar 16, 2030 · From the USPTO record	In force	Term ends Mar 16, 2030	From the USPTO record
US 8,905,111	Device for releasing an interconnect layer that provides connection between a carrier and a wafer In force Term ends Mar 16, 2030 · From the USPTO record	In force	Term ends Mar 16, 2030	From the USPTO record
US 8,443,864	Device for stripping a wafer from a carrier In force Term ends Mar 20, 2030 · From the USPTO record	In force	Term ends Mar 20, 2030	From the USPTO record
US 8,449,716	Device and method for separating a substrate from a carrier substrate In force Term ends Mar 31, 2030 · From the USPTO record	In force	Term ends Mar 31, 2030	From the USPTO record
US 9,138,978	Device for separating a substrate from a carrier substrate In force Term ends Mar 31, 2030 · From the USPTO record	In force	Term ends Mar 31, 2030	From the USPTO record
US 9,449,863	Device for aligning and pre-fixing a wafer In force Term ends Mar 31, 2030 · From the USPTO record	In force	Term ends Mar 31, 2030	From the USPTO record
US 10,279,551	Method for Producing a Microlens In force Term ends Mar 31, 2030 · Medium confidence	In force	Term ends Mar 31, 2030	Medium confidence
US 8,438,754	Apparatus and method for improving the detachment of paper from the drying cylinder of a paper machine In force Term ends Jun 2, 2030 · From the USPTO record	In force	Term ends Jun 2, 2030	From the USPTO record
US 9,052,422	Method and device for producing a microlens In force Term ends Jun 27, 2030 · From the USPTO record	In force	Term ends Jun 27, 2030	From the USPTO record

10 of 30 patents shown.

Pro members see all 30.

Pro members: see all 30 patents

Also on record, not counted in the 30: 1 lapsed for an unpaid fee · 3 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 no status recorded

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