Ranovus Inc.

16 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

Mar 2033

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 Mar 5, 2027
The maintenance fee for Carrier Based Laser Assembly and Method of Assembly Thereof with Photonic Integrated Circuit (US 11,747,554) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
1 fee due Oct 19, 2027
The maintenance fee for Optical Dispersion Compensation Devices (US 9,319,136) comes due Oct 19, 2027. Unpaid by Apr 19, 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.

Patent	Title	Status	Expires	Confidence
US 9,014,222	Discretely Tunable Laser Device In force Term ends Mar 17, 2033 · High confidence	In force	Term ends Mar 17, 2033	High confidence
US 9,319,136	Optical Dispersion Compensation Devices In force Term ends Jul 5, 2034 · High confidence	In force	Term ends Jul 5, 2034	High confidence
US 9,389,365	Single Laser Multi-Frequency Transmitter In force Term ends Nov 28, 2034 · High confidence	In force	Term ends Nov 28, 2034	High confidence
US 9,726,821	Adiabatic Elliptical Optical Coupler Device In force Term ends Dec 1, 2035 · High confidence	In force	Term ends Dec 1, 2035	High confidence
US 9,784,995	Multi-Segment Ring Modulator In force Term ends Dec 21, 2035 · High confidence	In force	Term ends Dec 21, 2035	High confidence
US 9,893,487	Device and Method for Tuning a Ring Resonator Using Self-Heating Stabilization In force Term ends Feb 8, 2036 · High confidence	In force	Term ends Feb 8, 2036	High confidence
US 10,236,657	Device and Method for Tuning a Ring Resonator Using Self-Heating Stabilization In force Term ends Feb 8, 2036 · High confidence	In force	Term ends Feb 8, 2036	High confidence
US 9,946,027	Device and Method for Post-Fabrication Trimming of an Optical Ring Resonator Using a Dopant-Based Heater In force Term ends Apr 10, 2036 · High confidence	In force	Term ends Apr 10, 2036	High confidence
US 10,107,960	Optical Coupler with a Waveguide and Waveguide Index Matched Materials at an Edge of a Substrate In force Term ends Sep 8, 2037 · High confidence	In force	Term ends Sep 8, 2037	High confidence
US 10,254,485	Optical Ring Resonator Structure with a Backside Recess In force Term ends Sep 8, 2037 · High confidence	In force	Term ends Sep 8, 2037	High confidence

10 of 16 patents shown.

Pro members see all 16.

Pro members: see all 16 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.

2 pending · 2 abandoned · 4 no status recorded

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