Spectrum Effect Inc.

32 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

Apr 2030

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 20, 2027
The maintenance fee for Method and system for detecting interference to wireless networks (US 10,389,616) comes due Feb 20, 2027. Unpaid by Aug 20, 2027, it lapses early.
1 fee due Jun 19, 2027
The maintenance fee for Locating external interference in a wireless network (US 11,849,475) comes due Jun 19, 2027. Unpaid by Dec 20, 2027, it lapses early.
1 fee due Jul 21, 2027
The maintenance fee for Enhanced passive intermodulation detection in wireless networks (US 10,541,712) comes due Jul 21, 2027. Unpaid by Jan 21, 2028, it lapses early.
1 fee due Sep 30, 2027
The maintenance fee for Localization of external interference in wireless networks (US 10,605,890) comes due Sep 30, 2027. Unpaid by Mar 31, 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 8,229,368	Systems for Detecting and Locating Interference Sources In force Term ends Apr 10, 2030 · High confidence	In force	Term ends Apr 10, 2030	High confidence
US 10,701,574	Downlink interference detection using transmission matrices In force Term ends Sep 10, 2033 · From the USPTO record	In force	Term ends Sep 10, 2033	From the USPTO record
US 9,572,055	Uplink Interference Detection Using Transmission Matrices In force Term ends Nov 17, 2033 · High confidence	In force	Term ends Nov 17, 2033	High confidence
US 10,104,559	Method for Downlink Jammer Detection and Avoidance in Long-Term Evolution (LTE) Networks In force Term ends Jan 25, 2034 · High confidence	In force	Term ends Jan 25, 2034	High confidence
US 9,356,727	Method and System for Intelligent Jamming Signal Generation In force Term ends Apr 24, 2034 · High confidence	In force	Term ends Apr 24, 2034	High confidence
US 9,674,836	Method and System for Coexistence of Radar and Communication Systems In force Term ends Jul 29, 2034 · High confidence	In force	Term ends Jul 29, 2034	High confidence
US 9,819,441	Method for Uplink Jammer Detection and Avoidance in Long-Term Evolution (LTE) Networks In force Term ends Dec 15, 2034 · High confidence	In force	Term ends Dec 15, 2034	High confidence
US 9,439,078	Cooperative Interference Subtraction Scheme In force Term ends Dec 17, 2034 · High confidence	In force	Term ends Dec 17, 2034	High confidence
US 9,923,700	Method and System for Localizing Interference in Spectrum Co-Existence Network In force Term ends Feb 9, 2035 · High confidence	In force	Term ends Feb 9, 2035	High confidence
US 9,769,834	Interference Detection with Ue Signal Subtraction In force Term ends Mar 2, 2035 · High confidence	In force	Term ends Mar 2, 2035	High confidence

10 of 32 patents shown.

Pro members see all 32.

Pro members: see all 32 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.

1 pending

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