Prosecution Insights
Last updated: October 02, 2026

Examiner: ZHAO, DON GORDON

Tech Center 2400 • Art Units: 2124 2407 2431 2439 2493

This examiner grants 87% of resolved cases

Analysis

Don Gordon Zhao serves in Tech Center 2400 and Art Unit 2124, where they have resolved 801 cases. The examiner maintains an allowance rate of 87.3 percent. This 87.3 percent rate suggests a favorable environment for applicants in this art unit. The 801 resolved cases provide a robust dataset, indicating that the examiner's high allowance rate is a consistent feature of their practice in Tech Center 2400.

The median days to allowance is 806 days, which is relatively efficient. The interview lift is 16.3 percent. This 16.3 percent lift indicates that while interviews are helpful, the baseline allowance rate is a strong indicator of success regardless of the interview status. Practitioners can expect a relatively fast resolution, as shown by the 806 days median. The lift provides a useful secondary strategy for cases that encounter initial difficulties in Art Unit 2124.

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

Performance Statistics

87.3%
Allow Rate
+29.3% vs TC avg
807
Total Applications
+16.3%
Interview Lift
806
Avg Prosecution Days
Based on 801 resolved cases, 2023–2026

Rejection Statute Breakdown

12.6%
§101 Eligibility
4.5%
§102 Novelty
43.6%
§103 Obviousness
27.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18217445 METHOD AND APPARATUS TO REDUCE PERFORMANCE OVERHEAD ASSOCIATED WITH THE USE OF KYBER FOR SECURE KEY EXCHANGE Non-Final OA Intel Corporation
18217453 SYSTEM AND METHOD FOR AUTHENTICATING EXTENDED SERVICE MICROCODE UPDATES Non-Final OA Intel Corporation
18331976 MULTI-FACTOR AUTHENTICATION HARDENING Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
19088943 SECURITY PROTECTION METHOD FOR MODEL SERVICE AND RELATED DEVICE Non-Final OA Beijing Volcano Engine Technology Co., Ltd.
19005526 TECHNIQUES FOR ACTIVE INSPECTION OF VULNERABILITY EXPLOITATION USING EXPOSURE ANALYSIS Final Rejection Wiz, Inc.
18880546 METHOD FOR IMPLEMENTING NETWORK CONSENSUS ALGORITHM Non-Final OA HSBC SOFTWARE DEVELOPMENT (GUANGDONG) LIMITED

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