The Patent Finder
QM

Quantel Medical

First filing 2006
OverviewNotableFeesChangesFamiliesPatent listSources & methods

Two patents currently held, every record listed here

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

The next term ends in Sep 2035. from the record

Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Sep 2035
Next term end
2
Patent families

When these terms end

Each bar runs from grant to computed term end. 2019 to 2039.
US 10,463,540 System and Device for Multi Spot Photocoagulation Sep 5, 2035
US 11,534,338 System for Laser Photocoagulation of the Retina Apr 25, 2039
20232027203120352039
1 pending application: term is not computable until grant.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

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 May 5, 2027
    The maintenance fee for System and Device for Multi Spot Photocoagulation (US 10,463,540) comes due May 5, 2027. Unpaid by Nov 5, 2027, 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.

What they patent

Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.

Patents held now

Soonest term end first.

Showing 1 to 2 of 2

PatentTitleStatusExpiresConfidence
US 10,463,540System and Device for Multi Spot Photocoagulation
In force
 · High confidence
In forceHigh confidence
US 11,534,338System for Laser Photocoagulation of the Retina
In force
 · High confidence
In forceHigh confidence
Also on record, not counted in the 2: 1 patent ended · 1 application pending · 3 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