Patent AnalyticsExaminers
Menu

Technology domain (CPC subclass)

Domain B44C

1,335 applicationsExamined mostly in 1785, 1746, 1745, 1783

3-year grant rate
51%
allowed within 3 years of the first action
Allowance rate
54%
range 51% to 56%
Rejections before allowance
1.7
Months to first action
19.1 mo

In plain words

With B44C, 51% of applications were allowed within three years of the first office action. The first action takes 19.1 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 1,335 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.

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

See plans Sign in

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.

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

See plans Sign in

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.

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

See plans Sign in

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.

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

See plans Sign in

Rejection fingerprint

What gets rejected, by statute

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

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

See plans Sign in

What works

Allowance by strategy used

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

Unlock what works hereIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in

Interviews

Does an interview help?

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

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

See plans Sign in

Odds by round

Chance the next action is an allowance

After the first, second and later rejections.

Unlock the odds by roundIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in

Response clock

Days from a response to the next action

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

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

See plans Sign in

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.

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

See plans Sign in

Appeals

What happens on appeal

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

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

See plans Sign in

Trend

Allowance rate by filing year

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

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

See plans Sign in

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

See plans Sign in

Places

Where it is invented

City 181 apps
City 272 apps
City 363 apps
City 454 apps
City 545 apps
City 636 apps
Unlock the leading placesIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in

Examiners

Who examines B44C

ExaminerCases in B44COverall allowance rateDifficulty
Sonya Mazumdar Sengupta4474%Typical for peers
Christopher M Polley2473%Easier than peers
Docket Central242%Easier than peers
Alexander S Thomas2374%Easier than peers
Laura C Powers2255%Typical for peers
Jeffry H Aftergut2170%Typical for peers
Patricia L Nordmeyer1958%Easier than peers
Ian A Rummel1757%Typical for peers
Elizabeth Evans Mulvaney1786%Easier than peers
Nathan L Van Sell1653%Typical for peers
Catherine A Simone1474%Typical for peers
Brent T O'Hern1380%Easier than peers
Kurt Fernstrom1372%Easier than peers
Betelhem Shewareged1375%Easier than peers
Sing P Chan1281%Easier than peers
Nathan H Empie1251%Typical for peers
Bruce H Hess1084%Easier than peers
Christopher C Caillouet1072%Typical for peers
Margaret Brodie1054%Harder than peers
Julia L Rummel1034%Harder than peers
Shamim Ahmed1083%Typical for peers
Donald J Loney967%Easier than peers
Rebecca Lynn Grusby929%Harder than peers
Barbara J Musser978%Easier than peers
John L Goff II963%Typical for peers