2Pi-Sigma Corp.

24 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 2037

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 Feb 22, 2027
The maintenance fee for Sandwich Immunoassay Devices Using Antibodies Specific to the Exosomes Containing Target Analytes (US 11,731,130) comes due Feb 22, 2027. Unpaid by Aug 23, 2027, 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.

Patent	Title	Status	Expires	Confidence
US 10,816,545	Automated medical sample collection, testing, and analysis In force Term ends Oct 17, 2037 · From the USPTO record	In force	Term ends Oct 17, 2037	From the USPTO record
US 11,389,097	Adjustable lancet and test cartridge for automated medical sample collection and testing In force Term ends Oct 17, 2037 · From the USPTO record	In force	Term ends Oct 17, 2037	From the USPTO record
US 11,435,374	Automated medical sample collection and testing for providing blood coagulation indication In force Term ends Oct 17, 2037 · From the USPTO record	In force	Term ends Oct 17, 2037	From the USPTO record
US 10,791,972	Fluid measurement for automated medical sample collection and testing In force Term ends Oct 18, 2037 · From the USPTO record	In force	Term ends Oct 18, 2037	From the USPTO record
US 11,175,303	Automated medical sample collection and testing for providing blood coagulation indication In force Term ends Nov 16, 2037 · From the USPTO record	In force	Term ends Nov 16, 2037	From the USPTO record
US 11,103,163	Test cartridge and lancet for automated medical sample collection and testing In force Term ends Dec 3, 2037 · From the USPTO record	In force	Term ends Dec 3, 2037	From the USPTO record
US 10,928,411	Automated medical sample collection and testing In force Term ends Feb 21, 2038 · From the USPTO record	In force	Term ends Feb 21, 2038	From the USPTO record
US 11,202,593	Adjustable lancet and test cartridge for automated medical sample collection and testing In force Term ends May 27, 2038 · From the USPTO record	In force	Term ends May 27, 2038	From the USPTO record
US 12,449,440	Automated medical sample collection and testing for providing blood coagulation indication In force Term ends May 29, 2039 · From the USPTO record	In force	Term ends May 29, 2039	From the USPTO record
US 10,739,297	Lateral Flow Assay with Controlled Conjugate Time and Controlled Flow Time In force Term ends Nov 27, 2039 · High confidence	In force	Term ends Nov 27, 2039	High confidence

10 of 24 patents shown.

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Pro members: see all 24 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

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