Prosecution Insights
Last updated: October 02, 2026

Examiner: ZHAO, YU

Tech Center 2100 • Art Units: 2161 2169

This examiner grants 53% of resolved cases

Analysis

Yu Zhao is assigned to Tech Center 2100 and Art Unit 2161, with 369 resolved cases. The allowance rate is 52.6 percent. This 52.6 percent figure suggests that over half of the applications reach allowance under this examiner's review. The 369 cases provide a clear statistical picture of the challenges and opportunities present in this examiner's art unit in Tech Center 2100.

The median days to allowance is 1515 days. The interview lift is 40.7 percent. This 40.7 percent lift indicates that interviews are a critical tool for practitioners to significantly improve the likelihood of a positive outcome. By engaging in an interview, the baseline allowance rate can be substantially increased. The 1515 days median timeline suggests a longer prosecution period, making the lift even more valuable as a means to reach a resolution. These data points highlight the importance of oral advocacy in Art Unit 2161.

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

Performance Statistics

52.6%
Allow Rate
-2.4% vs TC avg
379
Total Applications
+40.7%
Interview Lift
1515
Avg Prosecution Days
Based on 369 resolved cases, 2023–2026

Rejection Statute Breakdown

20.1%
§101 Eligibility
4.6%
§102 Novelty
59.0%
§103 Obviousness
10.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19263692 Storing and Processing Encrypted Data Non-Final OA Pure Storage, Inc.
19205052 Method for Using Availability Polling in a Distributed Storage System Final Rejection Pure Storage, Inc.
18952089 DATA PROCESSING METHOD AND APPARATUS, DEVICE, AND STORAGE MEDIUM Final Rejection Beijing Zitiao Network Technology Co., Ltd.

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