The Patent Finder

Willow Laboratories, Inc.

79 patents currently held · Updated Nov 15, 2026
10 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Previously recorded as Cercacor Laboratories, Inc. (to 2024)

28
Ending by 2030
Nov 2026
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 Nov 23, 2026
    The maintenance fee for Non-invasive optical physiological differential pathlength sensor (US 11,653,862) comes due Nov 23, 2026. Unpaid by May 24, 2027, it lapses early.
  • 1 fee due Dec 27, 2026
    The maintenance fee for Noninvasive Physiological Sensor (US 11,684,296) comes due Dec 27, 2026. Unpaid by Jun 28, 2027, it lapses early.
  • 1 fee due Mar 26, 2027
    The maintenance fee for Limb-worn patient monitoring device (US 11,766,198) comes due Mar 26, 2027. Unpaid by Sep 27, 2027, it lapses early.
  • 1 fee due May 3, 2027
    The maintenance fee for Physiological monitor calibration system (US 9,176,141) comes due May 3, 2027. Unpaid by Nov 3, 2027, it lapses early.
  • 1 fee due Jun 5, 2027
    The maintenance fee for Non-Invasive Medical Monitoring Device for Blood Analyte Measurements (US 11,832,940) comes due Jun 5, 2027. Unpaid by Dec 6, 2027, it lapses early.
  • 4 fees due Jul 7 to 30, 2027 · next Jul 7
  • 1 fee due Oct 9, 2027
    The maintenance fee for Indicator Compounds, Devices Comprising Indicator Compounds, and Methods of Making and Using the Same (US 11,951,186) comes due Oct 9, 2027. Unpaid by Apr 10, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 5 of the patents on this record were granted since Aug 17, 2026
  • 3 terms have ended 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 10,123,726Configurable physiological measurement system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,596,398Multiple wavelength sensor attachment
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,138,182Optical sensor including disposable and reusable elements
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,463,284Optical sensor including disposable and reusable elements
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,620,674Method and apparatus for enhanced estimation of an analyte property through multiple region transformation
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,251,585Noninvasive multi-parameter patient monitor
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,865,222Method and apparatus for reducing coupling between signals in a measurement system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,301,217Multiple wavelength sensor emitters
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,519,406Noninvasive analyzer sample probe interface method and apparatus
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,750,443Multiple Wavelength Sensor Emitters
In force
 · High confidence
In forceHigh confidence
10 of 79 patents shown.
Pro members see all 79.
Pro members: see all 79 patents
Also on record, not counted in the 79: 10 patents in force now held by others · 8 lapsed for an unpaid fee · 24 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.

13 pending · 5 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