Phaedrus, LLC

13 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

Nov 2026

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 May 10, 2027
The maintenance fee for Apparatus, system and method for using an LED to identify a presence of a material in a gas and/or a fluid and/or determine properties of the material (US 9,182,342) comes due May 10, 2027. Unpaid by Nov 10, 2027, 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 7,703,279	Programmable cylinder, system and method for changing velocity of a machine element within a cylinder In force Term ends Nov 28, 2026 · From the USPTO record	In force	Term ends Nov 28, 2026	From the USPTO record
US 7,935,916	System and/or method for reading, measuring and/or controlling intensity of light emitted from an LED In force Term ends Oct 22, 2027 · From the USPTO record	In force	Term ends Oct 22, 2027	From the USPTO record
US 8,115,185	System and/or method for reading, measuring and/or controlling intensity of light emitted from an LED In force Term ends Oct 22, 2027 · From the USPTO record	In force	Term ends Oct 22, 2027	From the USPTO record
US 7,626,153	System and/or method for reading, measuring and/or controlling intensity of light emitted from an LED In force Term ends Oct 24, 2027 · From the USPTO record	In force	Term ends Oct 24, 2027	From the USPTO record
US 8,436,287	System and/or method for reading, measuring and/or controlling intensity of light emitted from an LED In force Term ends Mar 5, 2028 · From the USPTO record	In force	Term ends Mar 5, 2028	From the USPTO record
US 8,515,709	Portable device, system and method for measuring a volume of a vessel using an LED In force Term ends Feb 24, 2032 · From the USPTO record	In force	Term ends Feb 24, 2032	From the USPTO record
US 8,892,270	System and method for obtaining, transmitting and/or providing freight transportation information In force Term ends Jan 24, 2033 · From the USPTO record	In force	Term ends Jan 24, 2033	From the USPTO record
US 9,182,342	Apparatus, system and method for using an LED to identify a presence of a material in a gas and/or a fluid and/or determine properties of the material In force Term ends Aug 20, 2034 · From the USPTO record	In force	Term ends Aug 20, 2034	From the USPTO record
US 10,132,655	Apparatus, system and method for detecting a position of a movable object in a device and using the same for controlling the device In force Term ends May 11, 2035 · From the USPTO record	In force	Term ends May 11, 2035	From the USPTO record
US 11,385,080	Apparatus, system and method for detecting a position of a movable object in a device and using the same for controlling the device In force Term ends May 11, 2035 · From the USPTO record	In force	Term ends May 11, 2035	From the USPTO record

10 of 13 patents shown.

Pro members see all 13.

Pro members: see all 13 patents

Also on record, not counted in the 13: 6 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

Every application published under this name has become a patent.