Prosecution Insights
Last updated: October 27, 2026

Zhimei Zhu, USPTO Patent Examiner

Listed by the USPTO as ZHU, ZHIMEI

Tech Center 2400 • Art Units: 2431 2495

This examiner grants 78% of resolved cases

Analysis

ZHU, ZHIMEI works in Tech Center 2400 and Art Unit 2431. The profile reports 297 resolved cases and an allowance rate of 77.8%. The median time to allowance is 986 days, providing a useful timing reference for applicants managing prosecution and related filing decisions.

The interview lift is 36.3%, indicating a meaningful association with allowance outcomes. Practitioners may consider interviews when a direct discussion could clarify technical distinctions, while documenting the resulting position in the written response. The represented companies include Cisco Technology Inc., Govplus LLC, and Nokia Corporation. The only listed firm is M&B IP Analysts, LLC, so the profile provides limited firm-level information for counsel comparisons.

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

Performance Statistics

77.8%
Allow Rate
+19.8% vs TC avg
308
Total Applications
+36.3%
Interview Lift
986
Avg Prosecution Days
Based on 297 resolved cases, 2023–2026

Rejection Statute Breakdown

10.4%
§101 Eligibility
10.3%
§102 Novelty
49.2%
§103 Obviousness
19.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18943778 APPARATUS & METHOD FOR AUTHENTICATION Non-Final OA Nokia Technologies Oy
19247861 GENERATING PLAYBOOK RUN STATISTICS FOR PLAYBOOKS EXECUTED BY AN INFORMATION TECHNOLOGY AND SECURITY OPERATIONS APPLICATION Non-Final OA Cisco Technology, Inc.
19076410 EXECUTING MODULAR ALERTS AND ASSOCIATED SECURITY ACTIONS Non-Final OA Cisco Technology, Inc.
18664660 ROW LEVEL SECURITY ON DATABASE OBJECTS Non-Final OA SAP SE

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Frequently Asked Questions

What is examiner Zhimei Zhu's allowance rate?

77.8% of resolved applications examined by Zhimei Zhu were allowed (297 resolved cases), compared with 76.5% across Art Unit 2431 over the last five years.

Does an interview help with examiner Zhimei Zhu?

This examiner's interview lift is +36.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Zhimei Zhu take to allow a patent?

Applications allowed by Zhimei Zhu took 986 days on average from filing to allowance.

Which art unit does examiner Zhimei Zhu work in?

Zhimei Zhu examines applications in Art Unit 2431 in Tech Center 2400 (Networking & Security).

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