Prosecution Insights
Last updated: October 02, 2026

Examiner: CHEN, CAI Y

Tech Center 2400 • Art Units: 2425 2445

This examiner grants 73% of resolved cases

Analysis

Cai Y. Chen, an examiner in Tech Center 2400, has overseen 810 resolved cases with an allowance rate of 73.0%. This rate indicates that nearly three-quarters of applications in Art Unit 2425 reach allowance. The median time to allowance is 1085 days, providing a clear expectation for the duration of the prosecution process. Practitioners can use the 1085-day figure to set realistic milestones for their clients during the application phase.

The interview lift of 8.6% provides a measurable increase over the 73.0% base allowance rate. This suggests that interviews are a useful tactic for resolving rejections and moving cases toward allowance. The 810 resolved cases offer a substantial foundation for these metrics, reinforcing the reliability of the 73.0% allowance rate. The 8.6% lift is a valuable tool for practitioners to consider when navigating the 1085-day median pendency in Tech Center 2400.

For those working in Art Unit 2425, the 73.0% allowance rate and the 1085-day median time to allowance point toward a steady prosecution path. The 810 resolved cases reflect a consistent approach by Examiner Chen. By utilizing the 8.6% interview lift, applicants can further improve their chances of success within the 1085-day window.

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

Performance Statistics

73.0%
Allow Rate
+15.0% vs TC avg
816
Total Applications
+8.6%
Interview Lift
1085
Avg Prosecution Days
Based on 810 resolved cases, 2023–2026

Rejection Statute Breakdown

7.4%
§101 Eligibility
21.2%
§102 Novelty
52.8%
§103 Obviousness
5.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18889958 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Final Rejection NEC Corporation
19048260 Resilient Interconnect Network In Large Scale Computing Non-Final OA Google LLC
18844157 MACHINE LEARNING MODEL PERFORMANCE MONITORING REPORTING Final Rejection QUALCOMM Incorporated
18598837 TECHNOLOGIES FOR DYNAMICALLY SHARING REMOTE RESOURCES ACROSS REMOTE COMPUTING NODES Non-Final OA Intel Corporation
19057331 ROUTING DATA UPON A PROXIMITY CONDITION Non-Final OA Truist Bank
19082494 TRANSMISSION METHOD, RECEPTION METHOD, TRANSMISSION DEVICE, AND RECEPTION DEVICE Non-Final OA Sun Patent Trust
19073609 SYSTEMS AND METHODS FOR CONTINUOUS, ACTIVE, AND NON-INTRUSIVE USER AUTHENTICATION Non-Final OA University of Houston System

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