Prosecution Insights
Last updated: October 02, 2026

Examiner: LEE, PO HAN

Tech Center 3600 • Art Units: 3623 3656

This examiner grants 32% of resolved cases

Analysis

Po Han Lee is an examiner in Tech Center 3600 and Art Unit 3623. He has 167 resolved cases, providing a good sample size for analysis. His allowance rate is 31.7 percent, which means that applicants must be diligent in their responses to overcome rejections. This 31.7 percent rate suggests a rigorous review process for applications in this unit.

The interview lift for this examiner is 41.2 percent. This 41.2 percent figure is exceptionally high, suggesting that interviews are an incredibly effective strategy in Art Unit 3623. For practitioners facing the baseline, an interview can be a game-changing tactic. The data from 167 resolved cases suggests that he is very open to persuasion through direct technical discussion.

The median days to allowance is 1325. This is a lengthy timeline, indicating that prosecution can be a protracted affair. Applicants should prepare for a process that takes 1325 days to reach a grant. Given the 31.7 percent allowance rate and the 1325-day median, a proactive approach involving interviews is highly recommended to navigate this challenging environment in Tech Center 3600.

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

Performance Statistics

31.7%
Allow Rate
-20.3% vs TC avg
215
Total Applications
+41.2%
Interview Lift
1325
Avg Prosecution Days
Based on 167 resolved cases, 2023–2026

Rejection Statute Breakdown

45.4%
§101 Eligibility
11.2%
§102 Novelty
36.3%
§103 Obviousness
5.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17182429 CAPACITY OPTIMIZATION ACROSS DISTRIBUTED MANUFACTURING SYSTEMS Final Rejection Janssen Biotech, Inc.
18166939 INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD Non-Final OA Toyota Jidosha Kabushiki Kaisha
18846930 WORK ANALYZING DEVICE AND WORK ANALYZING METHOD Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18386415 INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE, AND RECORDING MEDIUM Non-Final OA Panasonic Intellectual Property Corporation of America
19022197 INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING DEVICE Final Rejection RICOH COMPANY, LTD.
18970495 METHODS AND SYSTEMS FOR GENERATING A CALIBRATED PREDICTION FOR AN EVENT Final Rejection MASTERCARD INTERNATIONAL INCORPORATED
19212409 UTILIZING BEHAVIORAL ELICITATION EVENTS FOR EVALUATING A TRAINING PERFORMANCE AGAINST A COMPETENCY FRAMEWORK Non-Final OA The Boeing Company
18364380 UTILIZING BEHAVIORAL ELICITATION EVENTS FOR EVALUATING A TRAINING PERFORMANCE AGAINST A COMPETENCY FRAMEWORK Non-Final OA The Boeing Company
19000079 Resource Allocation Recommendation System for Multi-Channel and Multi-Platform Campaigns Final Rejection Google LLC
19044153 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Non-Final OA CANON KABUSHIKI KAISHA
17855121 METHODS AND APPARATUS TO ESTIMATE MEDIA IMPRESSIONS AND DUPLICATION USING COHORTS Final Rejection The Nielsen Company (US), LLC
17710934 PARTNER FEE RECOMMENDATION SERVICE Final Rejection PayPal, Inc.
18666387 SYSTEM AND METHOD WITH IRRELEVANCE FILTER TO FACILITATE EFFICIENT RUL ANALYSES FOR ELECTRONIC DEVICES Non-Final OA ORACLE INTERNATIONAL CORPORATION
17673382 CAREER PROGRESSION PLANNING TOOL USING A TRAINED MACHINE LEARNING MODEL Final Rejection Oracle International Corporation
19016228 MACHINE LEARNING-BASED PROJECT RISK PREDICTION WITH CONFLICT HANDLING AND DECISION EXPLANATION Final Rejection International Business Machines Corporation
19016238 Dynamic Sequencing and End to End Process of Planogram Adjustments Final Rejection Blue Yonder Group, Inc.
19234087 Selectively Providing Machine Learning Model-Based Services Non-Final OA Maplebear Inc.
18888666 PHYSICAL DEMANDS CHARACTERIZATION SYSTEM AND METHODS Final Rejection W. L. Gore & Associates, Inc.
18063715 DATA MODELING AND PROCESSING TECHNIQUES FOR GENERATING PREDICTIVE METRICS Non-Final OA Optum, Inc.
17512773 AUTOMATIC BUCKET ASSIGNMENT IN BUCKET EXPERIMENTS METHOD AND APPARATUS Non-Final OA YAHOO AD TECH LLC
18343664 Incentive Based Cloud Resource Provisioning Non-Final OA Dell Products L.P.
17969434 AUTOMATICALLY DETERMINING WORK ENVIRONMENT-RELATED ERGONOMIC DATA Non-Final OA Dell Products L.P.
18811816 SYSTEM AND METHOD FOR DETERMINING AN AGENT PROFICIENCY WHEN ADDRESSING CONCURRENT CUSTOMER SESSIONS AND UTILIZATION THEREOF Non-Final OA NICE LTD.
18775059 AUTOMATIC AVAILABILITY PREDICTION FOR A SUBJECT MATTER EXPERT Final Rejection NICE LTD.
18458553 SYSTEM AND METHOD OF CALCULATING SUPERVISOR IMPACT SCORE Non-Final OA NICE LTD.
18097324 COMPUTERIZED-METHOD AND COMPUTERIZED-SYSTEM FOR IDENTIFYING HIGH IMPACTED SCHEDULES, IN A CONTACT CENTER Non-Final OA NICE LTD.
18471913 ADMINISTRATION SERVICES FOR GOALS PLATFORMS Final Rejection Degree, Inc.

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