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Technology domain (CPC subclass)

Domain C23C

24,174 applicationsExamined mostly in 1716, 1718, 1784, 1715

3-year grant rate
57%
allowed within 3 years of the first action
Allowance rate
61%
range 60% to 62%
Rejections before allowance
1.9
Months to first action
20.9 mo

In plain words

With C23C, 57% of applications were allowed within three years of the first office action. The first action takes 20.9 months on average.

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 every chart that can be recomputed by filing year follow the span you pick; the rest are marked all years.

Ask the record

Questions practitioners ask, answered from 24,174 applications

Grant rate from the first action

Share allowed, by months after the first office action

The gold line is this record and the blue line is all domains. The marker is the three-year grant rate.

Outcome simulator

Where you are, what you do next, and the odds that follow

A model of this record’s own transitions: each examiner action, the response to it, and what came next. Thin data borrows from all domains.

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Prosecution paths

How prosecution actually unfolds

Every application’s sequence of examiner actions, from the first action to the outcome. Hover a band for the count.

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Compared with peers

Against the art unit, the tech center and the USPTO

The same figures for this record, all domains, the tech center and the whole office.

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Allowance over time

How fast applications are allowed, or abandoned

Share allowed (gold) and abandoned (red) by month since filing, with pending cases counted only while they are pending.

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Rejection fingerprint

What gets rejected, by statute

Share of office actions raising each ground; blue is all domains.

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What works

Allowance by strategy used

Allowance rate among decided cases where each move was used at least once, against all domains.

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Interviews

Does an interview help?

Allowance with and without an examiner interview, and how often interviews happen.

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Odds by round

Chance the next action is an allowance

After the first, second and later rejections.

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Response clock

Days from a response to the next action

How long the examiner takes to act once you have answered.

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Quarter-end timing

When allowances land in the fiscal quarter

Allowances by week of the USPTO fiscal quarter. An even spread would put 15% in the last two weeks.

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Appeals

What happens on appeal

Appeals filed, briefs, examiner’s answers, and how the Board decided.

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Trend

Allowance rate by filing year

Is it getting easier or harder? Gold is this record, blue is all domains.

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Inventors

Who invents most in this domain

Inventor 135 apps
Inventor 230 apps
Inventor 325 apps
Inventor 420 apps
Inventor 515 apps
Inventor 610 apps
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Places

Where it is invented

City 181 apps
City 272 apps
City 363 apps
City 454 apps
City 545 apps
City 636 apps
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Examiners

Who examines C23C

ExaminerCases in C23COverall allowance rateDifficulty
Docket Central8612%Easier than peers
Keath T Chen64934%Typical for peers
Jr, Joseph Albert Miller63170%Typical for peers
Rodney Glenn McDonald59068%Typical for peers
Rudy Zervigon58077%Easier than peers
Bret P Chen55185%Easier than peers
Archene A Turner48188%Easier than peers
Katherine A Bareford48113%Harder than peers
Michael A Band48045%Harder than peers
Jason Berman47268%Typical for peers
John Joseph Brayton37551%Harder than peers
David P Turocy37047%Typical for peers
Jeffrie Robert Lund36070%Easier than peers
Lois L Zheng33775%Typical for peers
Aiden Y Lee30547%Typical for peers
Karla A Moore30144%Harder than peers
Kelly M Gambetta29971%Typical for peers
Michael Eugene La Villa24974%Typical for peers
Nga Leung V Law24656%Typical for peers
Michael G Miller22456%Typical for peers
Jethro M Pence21580%Easier than peers
Elizabeth A Burkhart20258%Typical for peers
Charlee Bennett19758%Typical for peers
Jose Hernandez-Kenney18954%Harder than peers
Jessee Randall Roe18580%Easier than peers