Examiner Christopher D Birkhimer has allowed 485 of 625 decided applications (78%) in Computer Architecture, Software, and Information Security.
Christopher D Birkhimer has a public record spanning three art units within Technology Center 2100 (Computer Architecture, Software, and Information Security). Across 625 disposed applications, he has allowed 485, yielding an allowance rate of 78%. His record across TC 2100 art units shows variation: allowance rates range from 62% to 95% among the art units with substantial records. The examiner's pooled allowance rate describes his historical record across these art units and does not constitute a prediction for any specific application.
This pooled record aggregates the examiner's work across multiple art units within TC 2100. The 78% allowance rate is computed from all decided applications across those units combined. Aggregate figures describe past performance and are not predictions about the outcome of any particular application. Rates vary among individual art units; the range reflects this variation but does not identify which rate applies to any specific art unit.
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 →
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.
Primarily examines input/output (I/O) data transfer.
Allowance rate for applications with an examiner interview versus without one.
A correlation, not proof that interviews cause allowances. Based on 140 decided applications with an interview and 231 without.
Primarily examines computer-aided design (CAD).
Allowance rate for applications with an examiner interview versus without one.
A correlation, not proof that interviews cause allowances. Based on 49 decided applications with an interview and 125 without.
Primarily examines input/output (I/O) data transfer, and memory access and allocation.
Allowance rate for applications with an examiner interview versus without one.
A correlation, not proof that interviews cause allowances. Based on 33 decided applications with an interview and 47 without.
Methodology. This page pools every art unit in which Examiner Christopher D Birkhimer 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: 662 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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