Prosecution Insights
Last updated: October 26, 2026

Po Han Lee, USPTO Patent Examiner

Listed by the USPTO as LEE, PO HAN

Tech Center 3600 • Art Units: 3623

This examiner grants 32% of resolved cases

Analysis

Po Han Lee is an examiner in Tech Center 3600 and Art Unit 3623. He has managed 168 resolved cases. The data shows a 32.1% allowance rate and a median pendency of 1325 days to allowance. A 41.7% interview lift indicates that conducting an interview is associated with a significant increase in the probability of allowance compared to the 32.1% baseline. This lift suggests that oral advocacy is an essential strategy for practitioners appearing before this examiner.

The top companies in this examiner's portfolio include Nice Ltd., Panasonic Holdings Corporation, and ORACLE INTERNATIONAL Corporation. Legal representation is often provided by firms such as AMIN, TUROCY & WATSON, LLP, BUCHALTER, and Crowell. The 1325 median days to allowance provides a benchmark for expected prosecution duration. Practitioners should utilize the 41.7% interview lift to improve the chances of a successful outcome. With 168 resolved cases, the examiner has a record of outcomes in Art Unit 3623.

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

Performance Statistics

32.1%
Allow Rate
-19.9% vs TC avg
220
Total Applications
+41.7%
Interview Lift
1325
Avg Prosecution Days
Based on 168 resolved cases, 2023–2026

Rejection Statute Breakdown

45.0%
§101 Eligibility
11.4%
§102 Novelty
36.2%
§103 Obviousness
5.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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
19000079 Resource Allocation Recommendation System for Multi-Channel and Multi-Platform Campaigns Final Rejection Google LLC
18166939 INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD Non-Final OA Toyota Jidosha Kabushiki Kaisha
18970495 METHODS AND SYSTEMS FOR GENERATING A CALIBRATED PREDICTION FOR AN EVENT Final Rejection MASTERCARD INTERNATIONAL INCORPORATED
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
19088664 Systems And Methods For Use In Planting Seeds In Growing Spaces Final Rejection CLIMATE LLC
19022197 INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING DEVICE Final Rejection RICOH COMPANY, LTD.
19016228 MACHINE LEARNING-BASED PROJECT RISK PREDICTION WITH CONFLICT HANDLING AND DECISION EXPLANATION Final Rejection International Business Machines Corporation
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.

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 Po Han Lee's allowance rate?

32.1% of resolved applications examined by Po Han Lee were allowed (168 resolved cases), compared with 24.1% across Art Unit 3623 over the last five years.

Does an interview help with examiner Po Han Lee?

This examiner's interview lift is +41.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Po Han Lee take to allow a patent?

Applications allowed by Po Han Lee took 1,325 days on average from filing to allowance.

Which art unit does examiner Po Han Lee work in?

Po Han Lee examines applications in Art Unit 3623 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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