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Examiner Michael L Westbrook

TECH CENTER 2100 · 1 ART UNIT · 232 DECIDED APPLICATIONS · LAST ACTION JUN 2026
ALLOWANCE RATE = SHARE OF DECIDED APPLICATIONS (ALLOWED + ABANDONED); PENDING EXCLUDED
OVERALL ALLOWANCE RATE · POOLED ACROSS 1 ART UNIT

Examiner Michael L Westbrook has allowed 175 of 232 decided applications (75%) in Computer Architecture, Software, and Information Security.

75% pooled allowance · benchmarked per art unit below
DATA UPDATED JUNE 25, 2026
// READING THIS EXAMINER

What the data says.

Michael L Westbrook holds a public record in Technology Center 2100 (Computer Architecture, Software, and Information Security). Across his single art unit, he has disposed of 232 applications. Of those decided cases, 175 were allowed and 57 abandoned, yielding an allowance rate of 75%. His overall record spans 257 total applications. This pooled figure describes his historical record across all art units under his purview and does not forecast the outcome of any individual pending matter.

// HOW TO READ THESE NUMBERS

How to read these numbers.

This profile aggregates Westbrook's record across all assigned art units in TC 2100 into one pooled measure. The 75% allowance rate reflects decided applications (allowed plus abandoned) and excludes pending filings. Pooled figures describe past dispositions across multiple art units and are not predictions about specific applications. Individual art-unit records, where available, may show variation from the aggregate.

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 2139
257 APPS · 75% ALLOWANCE

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

75% allowance (of decided)▏ art-unit average 65%
DISPOSITION175 / 57 / 25allowed / abandoned / pending
FIRST ACTION18.1 moart unit avg 24 mo
TOTAL PENDENCY36.4 moart unit avg 37.7 mo
// REJECTION PROFILE
§101 — Subject-matter eligibility18% · art unit 22%
§102 — Anticipation (novelty)69%
§103 — Obviousness82% · art unit 80%
§112 — Written description & definiteness69%
// INTERVIEW SPLIT

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

WITH INTERVIEW81%allowance share
WITHOUT INTERVIEW71%+10 pt difference

A correlation, not proof that interviews cause allowances. Based on 99 decided applications with an interview and 133 without.

// FAQ

Questions about Examiner Michael L Westbrook

  • What is Michael L Westbrook's overall allowance rate?
    His allowance rate is 75%, calculated from 175 allowed applications and 57 abandoned applications across 232 total decided cases.
  • How many art units does this examiner cover?
    Westbrook's record spans one art unit in Technology Center 2100. This profile presents pooled statistics across that single unit.
  • What does the 75% allowance rate tell me about my application?
    The allowance rate describes Westbrook's historical record and is not a prediction of any specific application's outcome. Past rates do not determine future dispositions and do not account for the unique facts, claims, or prior art of any pending matter.
  • How many total applications has this examiner handled?
    Westbrook has handled 257 total applications, of which 232 have been decided (allowed or abandoned) and the remainder remain pending.
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METHODOLOGY & DISCLOSURES

Methodology. This page pools every art unit in which Examiner Michael L Westbrook 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 June 25, 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: 257 applications.

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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