Phynexus, Inc.

14 patents currently held · Updated Nov 14, 2026

1 more in force is now held by another company

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

Recorded under 2 name spellings.

Ending by 2030

Jul 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 Feb 25, 2027
The maintenance fee for Method and device for extracting an analyte (US 9,114,383) comes due Feb 25, 2027. Unpaid by Aug 25, 2027, it lapses early.
1 fee due Sep 24, 2027
The maintenance fee for Methods and Devices for Nucleic Acid Purification (US 10,597,652) comes due Sep 24, 2027. Unpaid by Mar 24, 2028, it lapses early.
1 fee due Nov 3, 2027
The maintenance fee for Purification of nucleic acids (US 9,328,342) comes due Nov 3, 2027. Unpaid by May 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.

Patent	Title	Status	Expires	Confidence
US 7,943,393	Method and Device for Extracting an Analyte In force Term ends Jul 5, 2027 · High confidence	In force	Term ends Jul 5, 2027	High confidence
US 7,879,621	Open channel solid phase extraction systems and methods In force Term ends Nov 17, 2027 · From the USPTO record	In force	Term ends Nov 17, 2027	From the USPTO record
US 7,837,871	Method and Device for Extracting an Analyte In force Ends no later than Dec 8, 2027 · Medium confidence	In force	Ends no later than Dec 8, 2027	Medium confidence
US 9,114,383	Method and device for extracting an analyte In force Term ends May 3, 2028 · High confidence	In force	Term ends May 3, 2028	High confidence
US 8,143,071	Method and Device for Extracting an Analyte In force Term ends Dec 30, 2028 · High confidence	In force	Term ends Dec 30, 2028	High confidence
US 8,053,247	Method and device for preparing an analyte for analysis by mass spectrometry In force Term ends Oct 23, 2029 · From the USPTO record	In force	Term ends Oct 23, 2029	From the USPTO record
US 9,328,342	Purification of nucleic acids In force Ends no later than Mar 29, 2031 · From the USPTO record	In force	Ends no later than Mar 29, 2031	From the USPTO record
US 8,816,064	Purification of nucleic acids In force Term ends May 4, 2031 · From the USPTO record	In force	Term ends May 4, 2031	From the USPTO record
US 8,921,539	Methods and Devices for Nucleic Acid Purification In force Term ends Jul 19, 2031 · Medium confidence	In force	Term ends Jul 19, 2031	Medium confidence
US 10,597,652	Methods and Devices for Nucleic Acid Purification In force Term ends Feb 22, 2032 · Medium confidence	In force	Term ends Feb 22, 2032	Medium confidence

10 of 14 patents shown.

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Pro members: see all 14 patents

Also on record, not counted in the 14: 1 patent in force now held by others · 17 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.

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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

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