LYNCH·LLP
HOME/EXAMINERS/TC 2400/DANIEL D MITCHELL
◈ FIND AN EXAMINER, ART UNIT, OR APPLICATION #
◈ USPTO PATENT EXAMINER STATISTICS

Examiner Daniel D Mitchell

TECH CENTER 2400 · 2 ART UNITS · 178 DECIDED APPLICATIONS · LAST ACTION SEP 2015
ALLOWANCE RATE = SHARE OF DECIDED APPLICATIONS (ALLOWED + ABANDONED); PENDING EXCLUDED
OVERALL ALLOWANCE RATE · POOLED ACROSS 2 ART UNITS
64%vs 77% weighted peer average13 pts

Examiner Daniel D Mitchell has allowed 114 of 178 decided applications.

114 allowed
64 abandoned
No applications pending.
The weighted peer average (77%) is each art unit's average below, weighted by this examiner's applications in it (2 art units).
DATA UPDATED JULY 22, 2026
AU 2477 · 66%AU 2419 · 52%

What the data says.reading this examiner

Daniel D Mitchell has a pooled allowance rate of 64% across hundreds of decided applications in Technology Center 2400. His record spans 2 art units. The allowance rate ranges from 52% to 66% across these art units, reflecting variation in the mix of applications decided in each. This pooled figure represents the share of applications that were allowed among all decided applications (allowed and abandoned) in his record, and does not predict outcomes for any specific application.

How to read these numbers.

This pooled record aggregates decided applications across multiple art units within Technology Center 2400. The 64% allowance rate describes the examiner's past record on decided applications and reflects the overall distribution of allowances and abandonments across the combined art units. This historical figure is not a prediction of the outcome of any individual application. The range across art units shows variation by subject matter within the technology center.

These are aggregate statistics from this examiner's past public record — not predictions about any specific application. The per-art-unit figures below show how the record varies across art units. Our approach to patent prosecution →

The record, art unit by art unit.2 art units

Each section benchmarks this examiner against that art unit's average. Figures are this examiner's own public record within the art unit; the overall rate above pools them.

◈ PRIMARY · ART UNIT 2477
153 APPS · 66% ALLOWANCE

Allowance ratewhere this examiner sits among peers

66%
higher than about 9% of the 23 examiners with published rates in art unit 2477
AU avg 80%
0%
100%
Each short mark is one of the 23 examiners with published rates in art unit 2477; the dot is this examiner. The tick is the art-unit average.

Disposition153 decided applications

101 allowed
52 abandoned
No applications pending.

Pendencymonths from filing

filed
first action 27.6mo
disposed 50.2mo
0
60mo
Art-unit average: first action 23.3 mo, disposed 39.5 mo.

Rejection groundsexaminer ● vs art-unit average ○

REJECTION RATE = SHARE OF THIS EXAMINER'S APPLICATIONS THAT DREW ≥1 OFFICE-ACTION REJECTION IN WHICH THE GROUND APPEARS

Grounds can co-occur, so the four don't sum to 100%. The art-unit figure is the unweighted mean across examiners in the art unit; §102 and §112 carry no art-unit benchmark.

§101 — Subject-matter eligibility
AU 22
34%
§102 — Anticipation (novelty)
no AU benchmark
36%
§103 — Obviousness
AU 88
97%
§112 — Written description & definiteness
no AU benchmark
14%

Interview benefit

Allowance rate for applications with an examiner interview versus without one.

without
54%
+31 pts
with
85%

A correlation, not proof that interviews cause allowances. Based on 59 decided applications with an interview and 94 without.

ART UNIT 2419
25 APPS · 52% ALLOWANCE · LIMITED DATA

Allowance ratewhere this examiner sits among peers

52%
higher than about 38% of the 129 examiners with published rates in art unit 2419
AU avg 58%
0%
100%
Each short mark is one of the 129 examiners with published rates in art unit 2419; the dot is this examiner. The tick is the art-unit average.

Disposition25 decided applications

13 allowed
12 abandoned
No applications pending.

Pendencymonths from filing

filed
first action 32.9mo
disposed 43.4mo
0
48mo
Art-unit average: first action 31.1 mo, disposed 44.4 mo.
// FAQ

Questions about Examiner Daniel D Mitchell

  • What is Daniel D Mitchell's overall allowance rate?
    64% of his decided applications were allowed, across hundreds of decided applications in Technology Center 2400.
  • How many art units does this record cover?
    The record spans 2 art units within Technology Center 2400.
  • Does the allowance rate vary across his art units?
    Yes. The allowance rate ranges from 52% to 66% across the art units in his record.
  • Is this allowance rate a prediction for my application?
    No. This pooled figure describes the examiner's past record on decided applications and is not a prediction of any specific application's outcome.
◈ HOW LYNCH LLP CAN HELP

Where to go next.

Lynch LLP represents applicants in patent prosecution before the USPTO. These are general resources about the firm's services — not advice about this examiner or any specific application.

How the firm prosecutes patentsApplication drafting, office-action responses, and prosecution strategy before the USPTO.PTAB trials and patent appealsAppeals, inter partes review, and patent-owner defense before the PTAB.Building a patent portfolioHow a patent portfolio is sequenced and built over a multi-year horizon.Booking a consultationFree and paid consultation options across the firm's attorneys.
◈ RESPONDING TO AN OFFICE ACTION

Strategy, not paperwork. Talk to the attorney doing the work.

Lynch LLP represents applicants in patent prosecution before the USPTO. Book a consultation to discuss your matter with the attorney who would handle it.

Book a 30-minute consultation →
METHODOLOGY & DISCLOSURES

Methodology. This page pools every art unit in which Examiner Daniel D Mitchell has a public record within Technology Center 2400. Statistics are computed from publicly available USPTO records, refreshed on a recurring schedule. This page's data was last updated July 22, 2026. The overall allowance rate is total allowed divided by total decided applications (allowed plus abandoned) across all art units — not an average of the per-art-unit rates; pending applications are excluded. Figures are rounded for display. Pooled sample: 178 applications.

Rejection rates. Each §-rate is the share of this examiner's applications that drew at least one office-action rejection in which that statutory ground appears; applications with no rejection on record are excluded, and because grounds can co-occur the four do not sum to 100%. The art-unit figure beside each is the unweighted mean of the per-examiner rates across the art unit, published for §101 and §103 only. Beside the overall allowance rate we show a benchmark: for a single-art-unit examiner it is exactly that art unit's average, labeled “art-unit average”; for an examiner spanning several art units it is the “weighted peer average” — the per-art-unit averages, weighted by this examiner's application count in each — labeled distinctly because it is a blended figure, not any single art unit's average. Both are built from the same per-art-unit averages the panels show.

Lynch LLP is not affiliated with, endorsed by, or sponsored by the United States Patent and Trademark Office. Examiner statistics are derived from publicly available USPTO data.

These statistics describe past examiner behavior and do not predict the outcome of any particular application. Past results do not guarantee future outcomes. Where this page compares an examiner's allowance rate to an art-unit average, that comparison is a factual description of the public record, not a characterization of any individual examiner's conduct or competence.

This page is for general informational purposes and is not legal advice. No attorney-client relationship is formed by viewing it. Full disclaimers →

ATTORNEY ADVERTISING — Sean Lynch, Partner, Lynch LLP