FEI EFA, Inc.

17 patents currently held · Updated Nov 14, 2026

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

Previously recorded as DCG Systems, Inc. (to 2017)

Ending by 2030

Sep 2031

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 Jul 21 to 28, 2027 · next Jul 21
1 fee due Oct 14, 2027
The maintenance fee for System and Method for Fault Isolation by Emission Spectra Analysis (US 10,620,263) comes due Oct 14, 2027. Unpaid by Apr 14, 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 11,353,479	Laser-Assisted Device Alteration Using Synchronized Laser Pulses In force Term ends Sep 8, 2031 · Medium confidence	In force	Term ends Sep 8, 2031	Medium confidence
US 10,209,274	Laser-Assisted Device Alteration Using Synchronized Laser Pulses In force Term ends Feb 29, 2032 · Medium confidence	In force	Term ends Feb 29, 2032	Medium confidence
US 9,905,014	Method and System for the Examination of a Sample by Means of Thermography In force Term ends Apr 3, 2034 · High confidence	In force	Term ends Apr 3, 2034	High confidence
US 9,891,280	Probe-Based Data Collection System with Adaptive Mode of Probing Controlled by Local Sample Properties In force Term ends Jun 24, 2034 · Medium confidence	In force	Term ends Jun 24, 2034	Medium confidence
US 9,885,878	Apparatus and Method for Annular Optical Power Management In force Term ends Jun 29, 2034 · High confidence	In force	Term ends Jun 29, 2034	High confidence
US 11,022,646	Method and System for Resolving Hot Spots in Lit In force Term ends Aug 22, 2034 · High confidence	In force	Term ends Aug 22, 2034	High confidence
US 9,816,866	Method for Examination of a Sample by Means of the Heat Flow Thermography In force Term ends Sep 2, 2034 · High confidence	In force	Term ends Sep 2, 2034	High confidence
US 10,718,933	Self Correcting Floating Sil Tip In force Term ends Mar 11, 2035 · High confidence	In force	Term ends Mar 11, 2035	High confidence
US 10,620,263	System and Method for Fault Isolation by Emission Spectra Analysis In force Term ends Mar 13, 2035 · High confidence	In force	Term ends Mar 13, 2035	High confidence
US 10,041,997	System and Method for Fault Isolation by Emission Spectra Analysis In force Term ends Apr 18, 2035 · High confidence	In force	Term ends Apr 18, 2035	High confidence

10 of 17 patents shown.

Pro members see all 17.

Pro members: see all 17 patents

Also on record, not counted in the 17: 2 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.