Patent AnalyticsExaminers
Menu

Technology domain (CPC subclass)

Domain D21B

279 applicationsExamined mostly in 1748, 1741, 3725, 1791

3-year grant rate
64%
allowed within 3 years of the first action
Allowance rate
69%
range 63% to 74%
Rejections before allowance
1.8
Months to first action
18.5 mo

In plain words

With D21B, 64% of applications were allowed within three years of the first office action. The first action takes 18.5 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 279 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 D21B

ExaminerCases in D21BOverall allowance rateDifficulty
Anthony J Calandra9166%Typical for peers
Jacob T Minskey3472%Typical for peers
Jose A Fortuna3181%Easier than peers
Mark Halpern2786%Easier than peers
Mark Rosenbaum984%Easier than peers
Docket Central82%Easier than peers
Faye Francis681%Easier than peers
Elisa H Vera670%Typical for peers
Matthew M Eslami585%Easier than peers
John Eric Hug584%Easier than peers
Dennis R Cordray581%Easier than peers
Rita P Adhlakha485%Easier than peers
Stephen Matthew Russell365%Typical for peers
Douglas Bryant Call364%Harder than peers
Thomas M Lithgow276%Typical for peers
Smith Oberto Bapthelus267%Harder than peers
Julia L Wun144%Harder than peers
Jimmy T Nguyen182%Easier than peers
Ryan M Ochylski166%Harder than peers
Sharon M Papciak148%Typical for peers
Srikanth Patury148%Harder than peers
Jonathan G Riley152%Typical for peers
Joseph C Rodriguez180%Typical for peers
Amy B Vanatta167%Easier than peers
Don J Williams186%Typical for peers