The Patent Finder
ZE

Zenflow, Inc.

First filing 2018
OverviewNotableFeesChangesFamiliesPatent listSources & methods

12 patents currently held

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
3 more records may belong here and await a decision; they are not counted.

The next term ends in Oct 2037. from the record

Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Oct 2037
Next term end
5
Patent families

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
notable patents all others Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable: the highest-ranked patents in this portfolio by citations and family size.

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 Apr 3, 2027
    The maintenance fee for Systems, Devices, and Methods for the Accurate Deployment and Imaging of an Implant in the Prostatic Urethra (US 11,771,575) comes due Apr 3, 2027. Unpaid by Oct 4, 2027, it lapses early.
  • 1 fee due May 14, 2027
    The maintenance fee for Systems and Methods for Implants and Deployment Devices (US 11,813,184) comes due May 14, 2027. Unpaid by Nov 15, 2027, it lapses early.
  • 2 fees due Aug 6 to 20, 2027 · next Aug 6

Which patents, and when each one lapses · Pro

Recent changes

  • 2 of the patents on this record were granted since Aug 16, 2026

Patents held now

Soonest term end first.
PatentTitleStatusExpiresConfidence
US 10,952,885Systems and Methods for Implants and Deployment Devices
In force
 · Medium confidence
In forceMedium confidence
US 11,096,774Systems, Devices, and Methods for the Accurate Deployment of an Implant in the Prostatic Urethra
In force
 · High confidence
In forceHigh confidence
US 11,903,859Methods for Deployment of an Implant
In force
 · High confidence
In forceHigh confidence
US 12,090,040Methods for Deployment of an Implant
In force
 · Medium confidence
In forceMedium confidence
US 11,813,184Systems and Methods for Implants and Deployment Devices
In force
 · Medium confidence
In forceMedium confidence
US 11,998,438Systems, Devices, and Methods for the Accurate Deployment of an Implant in the Prostatic Urethra
In force
 · High confidence
In forceHigh confidence
US 12,685,654Systems and Methods for Implants and Deployment Devices
In force
 · Medium confidence
In forceMedium confidence
US 12,714,587Systems, Devices, and Methods for the Accurate Deployment and Imaging of an Implant in the Prostatic Urethra
In force
 · Medium confidence
In forceMedium confidence
US 11,890,213Systems, Devices, and Methods for the Accurate Deployment and Imaging of an Implant in the Prostatic Urethra
In force
 · High confidence
In forceHigh confidence
US 12,708,535Systems, Devices, and Methods for the Accurate Deployment and Imaging of an Implant in the Prostatic Urethra
In force
 · Medium confidence
In forceMedium confidence
10 of 12 patents shown.
Pro members see all 12.
Pro members: see all 12 patents
Also on record, not counted in the 12: 6 applications pending · 5 applications abandoned. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited