Official SSA Data

Judge Katherine Loo - Approval Rate & Hearing Statistics

San Francisco, California · SSA Region 09

Statistics cover the 12 months ending March 2025 — Judge Katherine Loo's most recent month with recorded decisions.

64.3%

Approval Rate

Reported through March 2025. SSA's files record no decisions by Judge Katherine Loo after March 2025, so the figures below cover the 12 months ending March 2025 rather than the 12 months ending July 2026 the rest of the site reports. The national average shown alongside them is measured over the same months. Judges with no current decisions are left out of rankings and comparisons.

Approval Rate

64.3%

vs 59.6% national, same period

Denial Rate

35.7%

of decisions

Fully Favorable

55.2%

of decisions

Total Decisions

221

12 months ending March 2025

Total Dispositions

263

12 months ending March 2025

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Judge Katherine Loo is not in the comparison tool, which covers judges with 50+ decisions in the 12 months ending July 2026

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Judge Katherine Loo Approval Rate Over Time

Historical approval rate for Judge Katherine Loo

Based on 7 monthly data points with 20+ decisions each, across Judge Katherine Loo's full record in SSA's files — not only the 12 months ending March 2025.

Understanding Judge Katherine Loo's Statistics

Judge Katherine Loo is an Administrative Law Judge at the San Francisco hearing office. In the 12 months ending March 2025, this judge decided 221 cases, with an approval rate of 64.3%.

This approval rate is above the national average of 59.6%.

Important: Past approval rates do not predict future outcomes. Each case is decided on its individual merits based on the evidence presented. Many factors influence outcomes beyond judge statistics, including the quality of medical evidence and legal representation.

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Judge Katherine Loo Decision Breakdown

Favorable Decisions

Fully Favorable 55.2%

Partially Favorable 9%

Total Awards 64.3%

Unfavorable Decisions

Denials 35.7%

Dismissals 16%

About the San Francisco Hearing Office

Judge Katherine Loo hears cases at the San Francisco hearing office.

View all judges at San Francisco

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Frequently Asked Questions About Judge Katherine Loo

What percentage of cases does Judge Katherine Loo approve?

Judge Katherine Loo's approval rate is 64.3% for the 12 months ending March 2025. This includes both fully favorable (55.2%) and partially favorable decisions. View all judges for comparison.

How experienced is Judge Katherine Loo?

In the 12 months ending March 2025, the last twelve months in which Judge Katherine Loo recorded decisions, Judge Katherine Loo decided 221 cases and had 263 total dispositions (which includes dismissals). See methodology for definitions.

How does Judge Katherine Loo rank among Social Security ALJs?

Judge Katherine Loo's approval rate of 64.3% is above the national average of 59.6%. See the dashboard for national trends.

What office is Judge Katherine Loo assigned to?

Judge Katherine Loo hears cases at the San Francisco hearing office in SSA Region 09. Browse other hearing offices nationwide.

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