Prosecution Insights
Last updated: October 26, 2026

Alan S Chou, USPTO Patent Examiner

Listed by the USPTO as CHOU, ALAN S

Tech Center 2400 • Art Units: 2151 2451

This examiner grants 76% of resolved cases

Analysis

CHOU, ALAN S works in Tech Center 2400 and Art Unit 2151. The profile covers 652 resolved cases, with a 75.5% allowance rate and a median of 1180 days to allowance. Interview lift is 14.1%, indicating a positive association between interviews and allowance outcomes in the reported matters.

The leading companies are ORACLE INTERNATIONAL Corporation, Huawei Technologies Co., Ltd., and Siemens Aktiengesellschaft. The principal firms are BIRCH STEWART KOLASCH & BIRCH, LLP, Farber LLC, and Foley IP Law, PLLC. The allowance record supports pursuing well-developed claims, while the median timeline suggests that applicants should plan for prosecution extending beyond an initial examination cycle.

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

Performance Statistics

75.5%
Allow Rate
+17.5% vs TC avg
671
Total Applications
+14.1%
Interview Lift
1180
Avg Prosecution Days
Based on 652 resolved cases, 2023–2026

Rejection Statute Breakdown

12.4%
§101 Eligibility
26.1%
§102 Novelty
48.2%
§103 Obviousness
3.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18987990 APPLICATION-LAYER CONNECTION REDISTRIBUTION AMONG SERVICE INSTANCES Final Rejection Oracle International Corporation
19042923 COMMUNICATION METHOD, COMMUNICATION APPARATUS, AND COMMUNICATION SYSTEM Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18677148 Methods And Platforms For Planning And Operating Building Equipment Non-Final OA Siemens Schweiz AG
19116929 METHODS AND APPARATUSES FOR RECEIVING AND SENDING CONFIGURATION INFORMATION, AND READABLE STORAGE MEDIUM Non-Final OA Beijing Xiaomi Mobile Software Co., Ltd.
19014255 AI MODEL INFORMATION TRANSMISSION METHOD AND APPARATUS, AND DEVICE Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.

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Frequently Asked Questions

What is examiner Alan S Chou's allowance rate?

75.5% of resolved applications examined by Alan S Chou were allowed (652 resolved cases), compared with 81.0% across Art Unit 2151 over the last five years.

Does an interview help with examiner Alan S Chou?

This examiner's interview lift is +14.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Alan S Chou take to allow a patent?

Applications allowed by Alan S Chou took 1,180 days on average from filing to allowance.

Which art unit does examiner Alan S Chou work in?

Alan S Chou examines applications in Art Unit 2151 in Tech Center 2400 (Networking & Security).

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