Prosecution Insights
Last updated: October 26, 2026

Cai Y Chen, USPTO Patent Examiner

Listed by the USPTO as CHEN, CAI Y

Tech Center 2400 • Art Units: 2425

This examiner grants 73% of resolved cases

Analysis

CHEN, CAI Y is a USPTO patent examiner in tech center 2400 and art unit 2425. The record contains 811 resolved cases, with an allowance rate of 73.0% and a median of 1084 days to allowance. The interview lift is 8.8%, indicating a positive but comparatively limited interview-associated effect in the profile data.

The listed companies are Google LLC, NEC Corporation, and Qualcomm Incorporated. The listed firms are Barta Jones, PLLC, HG Law LLP (Adeia), and Patterson + Sheridan, L.L.P. The substantial case history provides a useful basis for setting expectations about allowance outcomes and timing, while the company and firm concentration identifies recurring participants in the docket.

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
820
Total Applications
+8.8%
Interview Lift
1084
Avg Prosecution Days
Based on 811 resolved cases, 2023–2026

Rejection Statute Breakdown

7.4%
§101 Eligibility
21.3%
§102 Novelty
52.8%
§103 Obviousness
5.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19048260 Resilient Interconnect Network In Large Scale Computing Non-Final OA Google LLC
18889958 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Final Rejection NEC Corporation
18844157 MACHINE LEARNING MODEL PERFORMANCE MONITORING REPORTING Final Rejection QUALCOMM Incorporated
18850465 NEGOTIATION APPLICABILITY FOR INACTIVE OR IDLE RECEPTION OF A MULTICAST SERVICE Final Rejection NOKIA SOLUTIONS AND NETWORKS OY

Facing This Examiner?

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

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Cai Y Chen's allowance rate?

73.0% of resolved applications examined by Cai Y Chen were allowed (811 resolved cases), compared with 68.9% across Art Unit 2425 over the last five years.

Does an interview help with examiner Cai Y Chen?

This examiner's interview lift is +8.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Cai Y Chen take to allow a patent?

Applications allowed by Cai Y Chen took 1,084 days on average from filing to allowance.

Which art unit does examiner Cai Y Chen work in?

Cai Y Chen examines applications in Art Unit 2425 in Tech Center 2400 (Networking & Security).

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