The Patent Finder
EO

Exfo Oy

First filing 2009
OverviewNotableFeesChangesPatent listSources & methods

Three 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 May 2040. from the record

Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
May 2040
Next term end
3
Patent families

When these terms end

Each bar runs from grant to computed term end. 2021 to 2044.
US 11,088,759 Extracting Data Traffic from an Optical Communication Fiber May 21, 2040
US 12,532,158 Systems and Methods for Associating Supi and Suci in 5G Networks Dec 29, 2043
US 12,520,252 Ad Hoc Radio Base Station, Method and Computer Program Jun 17, 2044
20262031203620412044
3 pending applications: 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

No maintenance fee falls due on this company's record before Nov 10, 2027.

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first.

Showing 1 to 3 of 3

PatentTitleStatusExpiresConfidence
US 11,088,759Extracting Data Traffic from an Optical Communication Fiber
In force
 · High confidence
In forceHigh confidence
US 12,532,158Systems and Methods for Associating Supi and Suci in 5G Networks
In force
 · High confidence
In forceHigh confidence
US 12,520,252Ad Hoc Radio Base Station, Method and Computer Program
In force
 · High confidence
In forceHigh confidence
Also on record, not counted in the 3: 1 patent ended · 3 applications pending. 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