Prosecution Insights
Last updated: October 02, 2026

Examiner: WONG, LUT

Tech Center 2100 • Art Units: 2121 2127 2129

This examiner grants 77% of resolved cases

Analysis

Lut Wong is an examiner in Tech Center 2100 and Art Unit 2121. He has 612 resolved cases with an allowance rate of 77.3 percent. This 77.3 percent rate suggests a favorable environment for applicants seeking patent grants. The median days to allowance of 1253 provides a timeline for the duration of the prosecution process for successful cases. Practitioners should use this timing metric to plan their patent strategy and manage expectations in Tech Center 2100.

The interview lift of 14.1 percent suggests that conducting an interview provides a measurable increase in the probability of a grant. This 14.1 percent lift is a metric for practitioners deciding whether to engage in direct communication with the examiner to resolve rejections. With 612 resolved cases, the data reflects a consistent examination history. The median days to allowance of 1253 is a useful figure for managing the expected timeline of a patent application. Utilizing the interview process can be a helpful component for navigating Art Unit 2121.

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

Performance Statistics

77.3%
Allow Rate
+22.3% vs TC avg
629
Total Applications
+14.1%
Interview Lift
1253
Avg Prosecution Days
Based on 612 resolved cases, 2023–2026

Rejection Statute Breakdown

17.5%
§101 Eligibility
24.7%
§102 Novelty
33.5%
§103 Obviousness
11.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18659888 METHOD AND DEVICE FOR IMPLEMENTING INFERENCE OF NEURAL NETWORK MODEL Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
17909478 INFORMATION PROCESSING DEVICE, CONTROL METHOD, AND STORAGE MEDIUM Final Rejection NEC Corporation
18102770 INFORMATION PROCESSING DEVICE AND INFORMATION PROCESSING METHOD Non-Final OA Fujitsu Limited
18462503 APPLICATION PERFORMANCE EVALUATION WITH DUAL MODEL Non-Final OA INTERNATIONAL BUSINESS MACHINES
13894929 Determining and Predicting Popularity of Content Non-Final OA Comcast Cable Communications, LLC
18308526 METHODS TO ESTIMATE EFFECTIVENESS OF A MEDICAL TREATMENT Non-Final OA Sanofi
18107275 AUTOMATICALLY DETERMINING RESOURCE SUPPORT PARAMETERS USING ARTIFICIAL INTELLIGENCE TECHNIQUES Non-Final OA Dell Products. L.P.

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