Xcaliber Sciences, Inc.

20 patents currently held · Updated Nov 14, 2026

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

Recorded under 2 name spellings.

Ending by 2030

Oct 2039

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 Mar 5, 2027
The maintenance fee for Pipette Tip System (US 11,745,187) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
1 fee due Jun 26, 2027
The maintenance fee for Pipette Tip System (US 11,850,255) comes due Jun 26, 2027. Unpaid by Dec 27, 2027, it lapses early.
1 fee due Jul 23, 2027
The maintenance fee for Pipette Tip System (US 11,878,305) comes due Jul 23, 2027. Unpaid by Jan 24, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

3 of the patents on this record were 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.

Patent	Title	Status	Expires	Confidence
US D1,048,456	Pipette Tip In force Term ends Oct 22, 2039 · High confidence	In force	Term ends Oct 22, 2039	High confidence
US D1,049,415	Pipette Tip In force Term ends Oct 29, 2039 · High confidence	In force	Term ends Oct 29, 2039	High confidence
US D1,049,416	Pipette Tip In force Term ends Oct 29, 2039 · High confidence	In force	Term ends Oct 29, 2039	High confidence
US D1,066,738	Pipette Tip Storage Assembly In force Term ends Mar 11, 2040 · High confidence	In force	Term ends Mar 11, 2040	High confidence
US D1,066,739	Pipette Tip Storage Assembly In force Term ends Mar 11, 2040 · High confidence	In force	Term ends Mar 11, 2040	High confidence
US D1,067,463	Pipette tip storage assembly In force Term ends Mar 18, 2040 · From the USPTO record	In force	Term ends Mar 18, 2040	From the USPTO record
US D1,068,109	Pipette tip storage assembly In force Term ends Mar 25, 2040 · From the USPTO record	In force	Term ends Mar 25, 2040	From the USPTO record
US D1,079,973	Pipette tip In force Term ends Jun 17, 2040 · From the USPTO record	In force	Term ends Jun 17, 2040	From the USPTO record
US 11,571,031	Face shield In force Term ends Jul 22, 2040 · From the USPTO record	In force	Term ends Jul 22, 2040	From the USPTO record
US D1,086,487	Pipette tip In force Term ends Jul 29, 2040 · From the USPTO record	In force	Term ends Jul 29, 2040	From the USPTO record

10 of 20 patents shown.

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Pro members: see all 20 patents

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.

1 pending · 1 abandoned · 1 no status recorded

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