Liteq B.V.

8 patents currently held · Updated Nov 14, 2026

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

Previously recorded as Kulicke & Soffa Liteq B.V. (to 2025)

Ending by 2030

Apr 2035

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 Jun 24, 2027
The maintenance fee for Lithographic Apparatus and Method for Preventing Peripheral Exposure of a Substrate (US 10,514,609) comes due Jun 24, 2027. Unpaid by Dec 27, 2027, it lapses early.
1 fee due Sep 5, 2027
The maintenance fee for Lithographic Systems and Methods of Operating the Same (US 11,921,435) comes due Sep 5, 2027. Unpaid by Mar 6, 2028, it lapses early.
1 fee due Oct 2, 2027
The maintenance fee for Lithographic Systems and Methods of Operating the Same (US 11,947,271) comes due Oct 2, 2027. Unpaid by Apr 3, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted 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.

Showing 1 to 8 of 8

Patent	Title	Status	Expires	Confidence
US 9,939,734	Photolithography Apparatus Comprising Projection System for Control of Image Size In force Term ends Apr 22, 2035 · High confidence	In force	Term ends Apr 22, 2035	High confidence
US 10,514,609	Lithographic Apparatus and Method for Preventing Peripheral Exposure of a Substrate In force Term ends Feb 15, 2037 · High confidence	In force	Term ends Feb 15, 2037	High confidence
US 11,042,095	Optical beam homogenizer based on a lens array In force Term ends Sep 18, 2037 · From the USPTO record	In force	Term ends Sep 18, 2037	From the USPTO record
US 10,996,381	Light Beam Diffuser System and Method In force Term ends Jul 27, 2038 · High confidence	In force	Term ends Jul 27, 2038	High confidence
US 11,550,232	Lithographic Systems and Methods of Operating the Same In force Term ends Feb 26, 2040 · High confidence	In force	Term ends Feb 26, 2040	High confidence
US 11,921,435	Lithographic Systems and Methods of Operating the Same In force Term ends Feb 26, 2040 · High confidence	In force	Term ends Feb 26, 2040	High confidence
US 11,947,271	Lithographic Systems and Methods of Operating the Same In force Term ends Feb 26, 2040 · High confidence	In force	Term ends Feb 26, 2040	High confidence
US 12,717,239	Methods of Patterning a Photoresist, and Related Patterning Systems In force Term ends Aug 30, 2044 · High confidence	In force	Term ends Aug 30, 2044	High confidence

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

Every application published under this name has become a patent.