Exfo Inc patents

Exfo Inc holds 216 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents216
Recent patents49
First publicationApr 2, 2015
Latest publicationMar 26, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201514
201624
201724
201811
201915
202021
202125
202227
202312
202418
202522
20263
Browse patents by year
YearPatents
201514
201624
201724
201811
201915
202021
202125
202227
202312
202418
202522
20263

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
H04B10/07145
G01M11/314539
G02B6/38535
H04B10/0795526
G01M11/313625

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Physics142
Electricity114

Frequently asked questions

Answers are generated from the same data shown on this page.

How many patents does Exfo Inc have in patentsdb?
Exfo Inc is linked to 216 publications as assignee in our database.
What technology areas does Exfo Inc patent most?
Top mapped technology areas by patent count: Physics (142); Electricity (114).
Is Exfo Inc's patent activity growing?
In our data, assignee counts were 18 in 2024 and 22 in 2025 (higher year over year).
What are recent patents assigned to Exfo Inc?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.