Patent AnalyticsExaminers
Rankings

Law firm or agent

EXFO Inc.

71 applicationsfiled 2011 to 2026

Allowance rate
97%
+21 pts vs the USPTO range 89% to 99%
Rejections before allowance
1.2
−0.4 vs the USPTO
Months to first action
17.1 mo
−1.5 vs the USPTO
Needed an RCE
27%
level with the USPTO

Timeline

Applications by filing year: drag across the years to study a period

Allowed in green, abandoned in red, pending in grey. The figures above and the charts that can be recomputed by filing year follow the span you pick.

Compared with the office

Against every applicant before the USPTO

Unlock the comparison with the officeFree with an account. No card needed.

Create a free account

Trend

Allowance by filing year

Unlock the trendIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in

Domains

Where the applications fall

CPC subclasses

G01M 35 apps
H04B Transmission16 apps
G02B Optical elements7 apps
G01H 4 apps
H04L Transmission of digital information2 apps
G01J 1 apps

Art units

287716 apps
288614 apps
26368 apps
26375 apps
28744 apps
28833 apps

Who they file for

Clients with the most applications

Bars show the share of decided applications that were allowed.

Unlock the clients they file forIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in

Rejection fingerprint

What gets rejected, by statute

Share of parsed office actions raising each ground; blue is the USPTO.

Unlock the rejection fingerprintIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in

What works

Allowance by strategy used

Unlock what works for this filerIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in

Interviews

Does an interview help?

Unlock the interview figuresFree with an account. No card needed.

Create a free account

Applications

Every application in the record

ApplicationTitleFiledStatusRejectionsRCEsTo 1st action
19659361METHOD AND APPARATUS OF DISTRIBUTED ACOUSTIC SENSING2026-04-27Pending00n/a
19398784SINGLE-ENDED MEASUREMENT OF THE SPECTRAL TRANSMISSION RESPONSE OF AN OPTICAL DEVICE…2025-11-24Pending00n/a
19210071OPTICAL FIBER ENDFACE INSPECTION MICROSCOPE CONFIGURABLE FOR INSPECTION OF ANGLED- …2025-05-16Pending1016.5 mo
15236921Method and apparatus for adaptive signal processing2012-01-10Allowed1012.0 mo
15585840Composition and method for controlled release2015-02-11Abandoned4123.0 mo
15118723Distributed ledger transaction verification2018-03-12Allowed3020.0 mo
15705880Thermal management of battery assemblies2021-04-13Pending2117.0 mo
15774358Machine learning model for anomaly detection2012-05-14Allowed1014.0 mo
15808006Wireless power transfer coil arrangement2015-06-15Abandoned4125.0 mo
15729725Catalyst for selective hydrogenation2018-07-16Allowed3022.0 mo
Unlock all 71 applications, each with its full timelineIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in