Prosecution Insights
Last updated: October 27, 2026

Catherine B Thiaw, USPTO Patent Examiner

Listed by the USPTO as THIAW, CATHERINE B

Tech Center 3600 • Art Units: 2400 2407 2458 2493 2499 3692

This examiner grants 77% of resolved cases

Analysis

THIAW, CATHERINE B is a USPTO patent examiner in tech center 3600 and art unit 2400. The profile covers 538 resolved cases, an allowance rate of 77.1%, and a median of 1181 days to allowance. The interview lift is 36.5%.

Google LLC, Huawei Technologies Co., Ltd., and Intel Corporation are the listed companies. FENWICK & WEST LLP is the listed firm. The allowance figure offers a meaningful outcome reference for applicants, while the median timing indicates that the path to allowance can extend over a substantial period. The interview measure is a notable part of the profile and supports considering interviews when claim interpretation or outstanding objections may benefit from direct discussion. A single listed firm also makes firm-specific activity less broad than the company coverage.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

77.1%
Allow Rate
+25.1% vs TC avg
542
Total Applications
+36.5%
Interview Lift
1181
Avg Prosecution Days
Based on 538 resolved cases, 2023–2026

Rejection Statute Breakdown

13.8%
§101 Eligibility
8.1%
§102 Novelty
50.4%
§103 Obviousness
19.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18231714 SYSTEM AND METHOD TO DYNAMICALLY AND HOLISTICALLY MEASURE THE RISK LEVEL OF A DEVICE Final Rejection Google LLC
18604098 DEVICE CONTROL METHOD AND RELATED APPARATUS Final Rejection Huawei Technologies Co., Ltd.
17357973 HANDLING UNALIGNED TRANSACTIONS FOR INLINE ENCRYPTION Final Rejection Intel Corporation

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Frequently Asked Questions

What is examiner Catherine B Thiaw's allowance rate?

77.1% of resolved applications examined by Catherine B Thiaw were allowed (538 resolved cases), compared with 49.8% across Art Unit 2400 over the last five years.

Does an interview help with examiner Catherine B Thiaw?

This examiner's interview lift is +36.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Catherine B Thiaw take to allow a patent?

Applications allowed by Catherine B Thiaw took 1,181 days on average from filing to allowance.

Which art unit does examiner Catherine B Thiaw work in?

Catherine B Thiaw examines applications in Art Unit 2400 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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