Prosecution Insights
Last updated: October 02, 2026

Examiner: ZHANG, SHIRLEY X

Tech Center 2400 • Art Units: 2431 2442 2444 2447

This examiner grants 70% of resolved cases

Analysis

Shirley X. Zhang works in Art Unit 2431 of Tech Center 2400. She has 620 resolved cases and an allowance rate of 69.8 percent. This 69.8 percent rate is a metric for applicants and suggests a path to allowance. The median days to allowance is 1226. This 1226-day figure is a metric for managing prosecution timelines. Practitioners can rely on this duration for successful cases in Tech Center 2400.

The interview lift of 14.2 percent suggests that interviews are a tool for securing an allowance. This 14.2 percent lift should be a part of any prosecution strategy, as it offers an increase in the odds of a grant. With 620 resolved cases, the 69.8 percent allowance rate is a statistic for practitioners. The 14.2 percent lift suggests that the examiner is receptive to verbal arguments. The 1226-day median is a reference point for pendency in Art Unit 2431. The data points to a predictable path for applicants.

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

Performance Statistics

69.8%
Allow Rate
+11.8% vs TC avg
639
Total Applications
+14.2%
Interview Lift
1226
Avg Prosecution Days
Based on 620 resolved cases, 2023–2026

Rejection Statute Breakdown

14.5%
§101 Eligibility
20.2%
§102 Novelty
43.8%
§103 Obviousness
12.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19111764 TECHNOLOGIES FOR CONGESTION DETECTION IN WIRELESS NETWORKS Non-Final OA Apple Inc.
19193133 Communication Method, Communication Apparatus, and Computer-Readable Storage Medium Non-Final OA Huawei Technologies Co., Ltd.
19047713 COMMUNICATION METHOD AND COMMUNICATION APPARATUS Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18813772 COMMUNICATION METHOD AND APPARATUS Final Rejection Huawei Technologies Co., Ltd.
18756755 PACKET TRANSMISSION METHOD, NETWORK DEVICE, AND SYSTEM Non-Final OA Huawei Technologies Co., Ltd.
18745384 METHOD AND SYSTEM FOR ENHANCING SECURITY ASSOCIATED WITH AN ARTIFICIAL INTELLIGENCE OPERATION AND IMPROVING PERFORMANCE Non-Final OA Marvell Asia Pte Ltd
19203042 GENERATING ACTION RECOMMENDATIONS BASED ON ATTRIBUTES ASSOCIATED WITH INCIDENTS USED FOR INCIDENT RESPONSE Non-Final OA Cisco Technology, Inc.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month