Mapper Lithography IP B.V.

37 patents currently held · Updated Nov 14, 2026

125 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 5 name spellings.

Ending by 2030

Mar 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.

1 fee due Dec 18, 2026
The maintenance fee for Substrate Processing Apparatus (US 10,324,385) comes due Dec 18, 2026. Unpaid by Jun 21, 2027, it lapses early.
2 fees due Jan 14 to 18, 2027 · next Jan 14
2 fees due Feb 11 to 25, 2027 · next Feb 11
1 fee due Sep 10, 2027
The maintenance fee for Vacuum Chamber Arrangement for Charged Particle Beam Generator (US 10,586,625) comes due Sep 10, 2027. Unpaid by Mar 10, 2028, it lapses early.
3 fees due Oct 14 to 28, 2027 · next Oct 14

Which patents, and when each one lapses · Pro

Recent changes

1 term has 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 RE45,552	Lithography System and Projection Method In force Term ends Mar 9, 2027 · Low confidence	In force	Term ends Mar 9, 2027	Low confidence
US 8,188,450	Multiple Beam Charged Particle Optical System In force Term ends Jul 23, 2027 · High confidence	In force	Term ends Jul 23, 2027	High confidence
US 8,598,545	Multiple Beam Charged Particle Optical System In force Ends no later than Jul 23, 2027 · Medium confidence	In force	Ends no later than Jul 23, 2027	Medium confidence
US 8,648,318	Multiple Beam Charged Particle Optical System In force Term ends Jul 23, 2027 · High confidence	In force	Term ends Jul 23, 2027	High confidence
US RE45,206	Lithography System, Sensor and Measuring Method In force (reinstated) Term ends Sep 13, 2027 · Low confidence	In force (reinstated)	Term ends Sep 13, 2027	Low confidence
US RE48,046	Lithography System, Sensor and Measuring Method In force (reinstated) Term ends Sep 13, 2027 · Low confidence	In force (reinstated)	Term ends Sep 13, 2027	Low confidence
US 9,645,511	Lithography System, Method of Clamping and Wafer Table In force Term ends Nov 28, 2028 · High confidence	In force	Term ends Nov 28, 2028	High confidence
US 8,890,094	Projection Lens Arrangement In force Term ends Feb 26, 2029 · Medium confidence	In force	Term ends Feb 26, 2029	Medium confidence
US 9,105,439	Projection Lens Arrangement In force Term ends Feb 26, 2029 · High confidence	In force	Term ends Feb 26, 2029	High confidence
US 8,653,485	Projection Lens Arrangement In force Term ends Apr 15, 2029 · Medium confidence	In force	Term ends Apr 15, 2029	Medium confidence

10 of 37 patents shown.

Pro members see all 37.

Pro members: see all 37 patents

Also on record, not counted in the 37: 125 patents in force now held by others · 16 lapsed for an unpaid fee · 20 ended at full term · 1 past the fee grace period · 14 surrendered on reissue. 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.

11 abandoned

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