Patent AnalyticsExaminers
Rankings

Law firm or agent

LEONG C. LEI

5,868 applicationsfiled 2006 to 2026

Allowance rate
59%
−16 pts vs the USPTO range 58% to 61%
Rejections before allowance
0.8
−0.8 vs the USPTO
Months to first action
18.2 mo
−0.4 vs the USPTO
Needed an RCE
7%
−20 pts vs 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

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Trend

Allowance by filing year

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Domains

Where the applications fall

CPC subclasses

G02F 275 apps
H10D 258 apps
G06F Electric digital data processing244 apps
G09G Control arrangements for displays239 apps
H10K 207 apps
H01R 141 apps

Art units

2875233 apps
OPAP227 apps
2871178 apps
375399 apps
363678 apps
283377 apps

Who they file for

Clients with the most applications

Bars show the share of decided applications that were allowed.

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Rejection fingerprint

What gets rejected, by statute

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

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What works

Allowance by strategy used

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Interviews

Does an interview help?

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Applications

Every application in the record

ApplicationTitleFiledStatusRejectionsRCEsTo 1st action
19627359VISION-ASSISTED HEARING AID2026-09-24Pending00n/a
19602556ORAL CARE APPLIANCE2026-06-30Pending00n/a
19671251LENS ADAPTER DEVICE, MOBILE PHONE PROTECTIVE CASE, AND HIGH-DEFINITION MOBILE PHONE…2026-05-08Pending00n/a
15679977Method and apparatus for adaptive signal processing2012-01-10Allowed1012.0 mo
15119678Composition and method for controlled release2015-02-11Abandoned4123.0 mo
15733024Distributed ledger transaction verification2018-03-12Allowed3020.0 mo
15862884Thermal management of battery assemblies2021-04-13Pending2117.0 mo
15168039Machine learning model for anomaly detection2012-05-14Allowed1014.0 mo
15915519Wireless power transfer coil arrangement2015-06-15Abandoned4125.0 mo
15457653Catalyst for selective hydrogenation2018-07-16Allowed3022.0 mo
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