Streck, Inc.

33 patents currently held · Updated Nov 14, 2026

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

Ending by 2030

Sep 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 Jan 25, 2027
The maintenance fee for Assays and methods for determining microbial resistance (US 11,708,614) comes due Jan 25, 2027. Unpaid by Jul 26, 2027, it lapses early.
1 fee due Mar 19, 2027
The maintenance fee for Preservation of cell-free nucleic acids (US 11,761,025) comes due Mar 19, 2027. Unpaid by Sep 20, 2027, it lapses early.
1 fee due Oct 9, 2027
The maintenance fee for Devices for real-time polymerase chain reaction (US 11,953,438) comes due Oct 9, 2027. Unpaid by Apr 10, 2028, it lapses early.

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 D690,025	Sample tube In force Term ends Sep 17, 2027 · From the USPTO record	In force	Term ends Sep 17, 2027	From the USPTO record
US 10,966,421	Method and device for collecting and preserving cells for analysis In force Term ends Jul 28, 2029 · From the USPTO record	In force	Term ends Jul 28, 2029	From the USPTO record
US 9,657,227	Preservation of cell-free RNA in blood samples In force Ends no later than Feb 11, 2030 · From the USPTO record	In force	Ends no later than Feb 11, 2030	From the USPTO record
US 9,926,590	Devices and compositions for preservation of cell-free nucleic acids In force Ends no later than Feb 11, 2030 · From the USPTO record	In force	Ends no later than Feb 11, 2030	From the USPTO record
US 10,144,955	Methods for preservation of cell-free nucleic acids In force Ends no later than Feb 11, 2030 · From the USPTO record	In force	Ends no later than Feb 11, 2030	From the USPTO record
US 10,294,513	Preservation of Cell-Free Nucleic Acids In force Ends no later than Feb 11, 2030 · Low confidence	In force	Ends no later than Feb 11, 2030	Low confidence
US 10,689,686	Preservation of cell-free nucleic acids In force Ends no later than Feb 11, 2030 · From the USPTO record	In force	Ends no later than Feb 11, 2030	From the USPTO record
US 11,634,747	Preservation of Fetal Nucleic Acids in Maternal Plasma In force Term ends Jun 4, 2030 · High confidence	In force	Term ends Jun 4, 2030	High confidence
US 8,304,187	Preservation of cell-free RNA in blood samples In force Term ends Jul 22, 2030 · From the USPTO record	In force	Term ends Jul 22, 2030	From the USPTO record
US 11,761,025	Preservation of cell-free nucleic acids In force Term ends Sep 30, 2030 · From the USPTO record	In force	Term ends Sep 30, 2030	From the USPTO record

10 of 33 patents shown.

Pro members see all 33.

Pro members: see all 33 patents

Also on record, not counted in the 33: 7 lapsed for an unpaid fee · 16 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.

Export every term end as CSV · Pro

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.

4 pending · 4 abandoned · 29 no status recorded

List them