Prosecution Insights
Last updated: October 02, 2026

Examiner: LU, KUEN S

Tech Center 2100 • Art Units: 2156 2165 2169

This examiner grants 85% of resolved cases

Analysis

Kuen S. Lu is an examiner in Tech Center 2100 and Art Unit 2156, with 926 resolved cases. The examiner has an allowance rate of 85.4 percent. This 85.4 percent rate indicates a very high probability of success for applicants. The median days to allowance is 1093, which provides a standard timeline for prosecution in this tech center.

The interview lift is 15.1 percent, showing a clear benefit to verbal communication. This 15.1 percent increase in the allowance rate following an interview is a useful tool for resolving complex issues. With 926 resolved cases, the data is highly reliable and suggests that Kuen S. Lu is open to discussion. The 85.4 percent baseline allowance rate is a strong indicator of the examiner's general approach.

In Art Unit 2156, the 1093-day median pendency is a key factor for scheduling. Practitioners should consider the 15.1 percent interview lift as a way to further improve the already high 85.4 percent chance of allowance. These figures from Tech Center 2100 offer a predictable and favorable environment for patent prosecution.

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

Performance Statistics

85.4%
Allow Rate
+30.4% vs TC avg
948
Total Applications
+15.1%
Interview Lift
1093
Avg Prosecution Days
Based on 926 resolved cases, 2023–2026

Rejection Statute Breakdown

12.8%
§101 Eligibility
19.2%
§102 Novelty
48.3%
§103 Obviousness
9.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18905514 INDEX ARRAY CONVERSION DEVICE AND INDEX ARRAY CONVERSION METHOD Final Rejection NEC Corporation
18724285 RECORD PAIR IDENTITY OUTPUT APPARATUS, PARAMETER GENERATION APPARATUS, RECORD PAIR IDENTITY OUTPUT METHOD, AND STORAGE MEDIUM Non-Final OA NEC Corporation
19071218 SYSTEMS AND METHODS FOR ZERO DOWNTIME DISTRIBUTED SEARCH SYSTEM UPDATES Final Rejection Stripe, LLC
19322795 TUNER CODEWORD DATABASE CONSTRUCTION METHOD AND MOBILE DEVICE Non-Final OA MEDIATEK Inc.
19332214 THREADING CHATS WITH APPLICATION ACTIVITY Non-Final OA Microsoft Technology Licensing, LLC
19041969 METHOD, APPARATUS, DEVICE, AND MEDIUM FOR PAGE PRESENTATION Final Rejection Beijing Youzhuju Network Technology Co., Ltd.
19300969 SYSTEM AND METHOD FOR BATCHING DATABASE QUERIES Non-Final OA SAP SE
19030691 METHOD AND APPARATUS FOR KNOWLEDGE REPRESENTATION AND REASONING IN ACCOUNTING Final Rejection PwC Product Sales LLC

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