Microsilicon, Inc.

9 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

Jan 2038

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.

2 fees due May 14 to 28, 2027 · next May 14
1 fee due Aug 18, 2027
The maintenance fee for Electron paramagnetic resonance (EPR) techniques and apparatus for performing EPR spectroscopy on a flowing fluid (US 10,564,308) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

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 9 of 9

Patent	Title	Status	Expires	Confidence
US 11,828,899	Electron paramagnetic resonance (EPR) techniques and apparatus for performing EPR spectroscopy on a flowing fluid In force Term ends Jan 20, 2038 · From the USPTO record	In force	Term ends Jan 20, 2038	From the USPTO record
US 10,690,800	Online monitoring of production process using electron paramagnetic resonance(EPR) In force Term ends Feb 7, 2038 · From the USPTO record	In force	Term ends Feb 7, 2038	From the USPTO record
US 11,525,816	Online monitoring of production processes using electron paramagnetic resonance (EPR) In force Term ends Feb 7, 2038 · From the USPTO record	In force	Term ends Feb 7, 2038	From the USPTO record
US 11,815,501	Online monitoring of production processes using electron paramagnetic resonance (EPR) In force Term ends Feb 7, 2038 · From the USPTO record	In force	Term ends Feb 7, 2038	From the USPTO record
US 10,564,308	Electron paramagnetic resonance (EPR) techniques and apparatus for performing EPR spectroscopy on a flowing fluid In force Term ends Feb 19, 2038 · From the USPTO record	In force	Term ends Feb 19, 2038	From the USPTO record
US 11,181,658	Electron paramagnet resonance (EPR) techniques and apparatus for performing EPR spectroscopy on a flowing fluid In force Term ends May 22, 2038 · From the USPTO record	In force	Term ends May 22, 2038	From the USPTO record
US 10,859,549	Online monitoring of production processes using electron paramagnetic resonance (EPR) In force Term ends Oct 31, 2038 · From the USPTO record	In force	Term ends Oct 31, 2038	From the USPTO record
US 12,072,307	Method for determining physical representation of species in fluid flowing through system In force Term ends Mar 30, 2040 · From the USPTO record	In force	Term ends Mar 30, 2040	From the USPTO record
US 11,448,608	Systems, tools, and methods for determining a fluid property based on EPR spectroscopy on an induced paramagntic response from a fluid In force Term ends Apr 22, 2040 · From the USPTO record	In force	Term ends Apr 22, 2040	From the USPTO record

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.