The Patent Finder

Picarro, Inc.

55 patents currently held · Updated Nov 15, 2026
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
7
Ending by 2030
Mar 2027
Next term end

When these terms end

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 Dec 25, 2026
    The maintenance fee for Systems and methods for determining a survey area for gas leak detection (US 10,330,555) comes due Dec 25, 2026. Unpaid by Jun 25, 2027, it lapses early.
  • 1 fee due Jan 2, 2027
    The maintenance fee for Gas Detection systems and methods using search area indicators (US 10,337,946) comes due Jan 2, 2027. Unpaid by Jul 2, 2027, it lapses early.
  • 1 fee due Feb 20, 2027
    The maintenance fee for Systems and methods for detecting changes in emission rates of gas leaks in ensembles (US 10,386,258) comes due Feb 20, 2027. Unpaid by Aug 20, 2027, it lapses early.
  • 1 fee due Mar 3, 2027
    The maintenance fee for Scanned 1-D gas analysis camera having a line pixel weighted for wind speed (US 10,401,341) comes due Mar 3, 2027. Unpaid by Sep 3, 2027, it lapses early.
  • 1 fee due Apr 15, 2027
    The maintenance fee for Systems and methods for likelihood-based detection of gas leaks using mobile survey equipment (US 10,444,108) comes due Apr 15, 2027. Unpaid by Oct 15, 2027, it lapses early.
  • 1 fee due May 5, 2027
    The maintenance fee for Systems and methods for determining a survey area for gas leak detection (US 10,466,132) comes due May 5, 2027. Unpaid by Nov 5, 2027, it lapses early.
  • 1 fee due Aug 23, 2027
    The maintenance fee for Ring-down binning in FSR hopping mode (US 9,267,880) comes due Aug 23, 2027. Unpaid by Feb 23, 2028, it lapses early.
  • 3 fees due Sep 1 to 24, 2027 · next Sep 1
  • 1 fee due Oct 26, 2027
    The maintenance fee for Systems and methods for determining a gas leak detection survey area boundary (US 9,322,735) comes due Oct 26, 2027. Unpaid by Apr 26, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 of the patents on this record was granted since Aug 17, 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.
PatentTitleStatus Expires Confidence
US 7,420,686Wavelength measurement method based on combination of two signals in quadrature
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,535,573Cavity enhanced optical spectroscopy with a cavity having a predetermined deviation from a mode degeneracy condition
In force (reinstated)
 · From the USPTO record
In force (reinstated)From the USPTO record
US 7,646,485Method and apparatus for enhancing the accuracy of CRDS measurements
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,810,376Mitigation of gas memory effects in gas analysis
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,777,886Optical system including a weak lens and a beam translation plate for selectively coupling to the lowest order mode of an optical resonator
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,813,886Calibration of frequency monitors having dual etalon signals in quadrature
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,181,544Liquid Sample Evaporator for Vapor Analysis
In force
 · High confidence
In forceHigh confidence
US 9,739,758Methods for gas leak detection and localization in populated areas using isotope ratio measurements
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,337,946Gas Detection systems and methods using search area indicators
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,466,132Systems and methods for determining a survey area for gas leak detection
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 55 patents shown.
Pro members see all 55.
Pro members: see all 55 patents
Also on record, not counted in the 55: 1 patent in force now held by others · 13 lapsed for an unpaid fee · 13 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.

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 abandoned · 4 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited