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Examiner April Ying Shan Blair

TECH CENTER 2100 · 6 ART UNITS · 108 DECIDED APPLICATIONS · LAST ACTION APR 2026
ALLOWANCE RATE = SHARE OF DECIDED APPLICATIONS (ALLOWED + ABANDONED); PENDING EXCLUDED
OVERALL ALLOWANCE RATE · POOLED ACROSS 6 ART UNITS
76%vs 71% weighted peer average+5 pts

Examiner April Ying Shan Blair has allowed 82 of 108 decided applications in Computer Architecture, Software, and Information Security.

allowed82abandoned26pending35· pending excluded from the rate
The weighted peer average (71%) is each art unit's average below, weighted by this examiner's applications in it (6 art units).
DATA UPDATED JULY 14, 2026
AU 2196 · 100%AU 2135 · 61%AU 2187 · 90%AU 2111 · 100%AU 2117 · 0%AU 2191 · 100%
// READING THIS EXAMINER

What the data says.

Examiner April Ying Shan Blair maintains a pooled allowance rate of 76% across hundreds of decided applications in Technology Center 2100 (Computer Architecture, Software, and Information Security). Her record spans six art units within this technology center. The allowance rate—calculated as the percentage of decided applications that were allowed, excluding pending matters—reflects her pooled outcomes across these art units. Allowance rates across her individual art units range from 61% to 100%, indicating variation in outcomes depending on the specific art unit and application characteristics.

// HOW TO READ THESE NUMBERS

How to read these numbers.

This record aggregates outcomes across multiple art units within TC 2100. The pooled allowance rate of 76% describes past decided applications and does not predict outcomes in any specific application. Allowance rates vary by art unit (61% to 100%), reflecting differences in subject matter, application complexity, and examiner assignment within the technology center. The aggregate figure masks this variation; individual art-unit records provide narrower context.

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 →

// BY ART UNIT

The record, art unit by art unit.

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 2196
59 APPS · 100% ALLOWANCE

Primarily examines program control and execution.

100% allowance (of decided)▏ art-unit average 73%
DISPOSITION24 / 0 / 35allowed / abandoned / pending
FIRST ACTION30 moart unit avg 27.3 mo
TOTAL PENDENCY43.5 moart unit avg 41.8 mo
// REJECTION PROFILE
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 eligibility67%art unit 46%+21 pts
§102 — Anticipation (novelty)72%no art-unit benchmark
§103 — Obviousness83%art unit 86%3 pts
§112 — Written description & definiteness48%no art-unit benchmark
ART UNIT 2135
49 APPS · 61% ALLOWANCE · LIMITED DATA

Primarily examines input/output (I/O) data transfer, and memory access and allocation.

61% allowance (of decided)▏ art-unit average 66%
DISPOSITION30 / 19 / 0allowed / abandoned / pending
FIRST ACTION39 moart unit avg 26.3 mo
TOTAL PENDENCY50.2 moart unit avg 41.7 mo
ART UNIT 2187
21 APPS · 90% ALLOWANCE · LIMITED DATA

Primarily examines computer-aided design (CAD).

90% allowance (of decided)▏ art-unit average 72%
DISPOSITION19 / 2 / 0allowed / abandoned / pending
FIRST ACTION28.5 moart unit avg 23.3 mo
TOTAL PENDENCY56.1 moart unit avg 36.4 mo
// REJECTION PROFILE
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 eligibility50%art unit 40%+10 pts
§102 — Anticipation (novelty)50%no art-unit benchmark
§103 — Obviousness89%art unit 77%+12 pts
§112 — Written description & definiteness61%no art-unit benchmark

Based on 21 applications — too small a sample to characterize the rejection mix reliably; shown for completeness.

ART UNIT 2111
8 APPS · 100% ALLOWANCE · LIMITED DATA
100% allowance (of decided)▏ art-unit average 80%
DISPOSITION8 / 0 / 0allowed / abandoned / pending
FIRST ACTION16.2 moart unit avg 20.2 mo
TOTAL PENDENCY27.3 moart unit avg 31.7 mo
// REJECTION PROFILE
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 eligibility43%art unit 21%+22 pts
§102 — Anticipation (novelty)57%no art-unit benchmark
§103 — Obviousness86%art unit 72%+14 pts
§112 — Written description & definiteness57%no art-unit benchmark

Based on 8 applications — too small a sample to characterize the rejection mix reliably; shown for completeness.

ART UNIT 2117
5 APPS · 0% ALLOWANCE · LIMITED DATA

Primarily examines control or regulating systems.

0% allowance (of decided)▏ art-unit average 74%
DISPOSITION0 / 5 / 0allowed / abandoned / pending
FIRST ACTION17.1 moart unit avg 20.2 mo
TOTAL PENDENCY25.6 moart unit avg 33.2 mo
// REJECTION PROFILE
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 eligibility20%art unit 33%13 pts
§102 — Anticipation (novelty)100%no art-unit benchmark
§103 — Obviousness100%art unit 78%+22 pts
§112 — Written description & definiteness80%no art-unit benchmark

Based on 5 applications — too small a sample to characterize the rejection mix reliably; shown for completeness.

ART UNIT 2191
1 APPS · 100% ALLOWANCE · LIMITED DATA

Primarily examines software engineering, and error detection, correction, and monitoring.

100% allowance (of decided)▏ art-unit average 76%
DISPOSITION1 / 0 / 0allowed / abandoned / pending
FIRST ACTION30.7 moart unit avg 28.8 mo
TOTAL PENDENCY33.4 moart unit avg 41.1 mo
// FAQ

Questions about Examiner April Ying Shan Blair

  • What is Examiner Blair's overall allowance rate?
    76% across hundreds of decided applications pooled across all art units. This represents the share of decided applications (allowed and abandoned) that were allowed, and is not a prediction for any specific application.
  • How many art units does this examiner work in?
    Six art units within Technology Center 2100: 2111, 2117, 2135, 2187, 2191, and 2196.
  • What is the range of allowance rates across her art units?
    Allowance rates range from 61% to 100% across these art units. This spread reflects variation in outcomes by individual art unit and does not indicate any single expected outcome.
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METHODOLOGY & DISCLOSURES

Methodology. This page pools every art unit in which Examiner April Ying Shan Blair has a public record within Technology Center 2100. Statistics are computed from publicly available USPTO records, refreshed on a recurring schedule. This page's data was last updated July 14, 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: 143 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 →

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