Prosecution Insights
Last updated: October 02, 2026

Examiner: CHU, RANDOLPH I

Tech Center 3600 • Art Units: 2624 2663 2666 2667 2668 3628 3663

This examiner grants 80% of resolved cases

Analysis

Randolph I. Chu serves in Art Unit 2624 of Tech Center 3600 and has 817 resolved cases. The allowance rate is 80.3 percent. This percentage reflects the frequency of grants within the examiner's portfolio. The median days to allowance is 1083, which measures the time from the initial filing to the final issuance.

The interview lift is 6.4 percent. This figure indicates the increase in the probability of success for cases that include an interview. Practitioners can use this 6.4 percent lift to evaluate the impact of oral advocacy. The 817 cases provide a robust foundation for these observations in Art Unit 2624.

The 1083 median days to allowance acts as a guide for prosecution timelines in Tech Center 3600. With an allowance rate of 80.3 percent, the data shows the frequency of successful outcomes. These metrics offer a clear perspective on the examiner's historical performance. The record of resolved cases helps in understanding the procedural environment.

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

Performance Statistics

80.3%
Allow Rate
+28.3% vs TC avg
838
Total Applications
+6.4%
Interview Lift
1083
Avg Prosecution Days
Based on 817 resolved cases, 2023–2026

Rejection Statute Breakdown

16.1%
§101 Eligibility
28.2%
§102 Novelty
39.9%
§103 Obviousness
10.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18729573 AUTHENTICATION SYSTEM, AUTHENTICATION APPARATUS, AUTHENTICATION METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM Final Rejection NEC Corporation
18346185 SYSTEMS AND METHODS FOR DISPLAYING MEDICAL IMAGING DATA Non-Final OA Stryker Corporation
18423465 STORAGE MEDIUM STORING PROGRAM AND IMAGE PROCESSING APPARATUS Final Rejection BROTHER KOGYO KABUSHIKI KAISHA
18368735 SYSTEM FOR COUNTING QUANTITY OF GAME TOKENS Final Rejection ANGEL GROUP CO., LTD.
18507863 METHOD AND APPARATUS FOR ESTIMATING A DISTANCE OF AN OBJECT BASED ON A STATIC OBJECT AND A DIFFERENCE IN GROUND HEIGHT Final Rejection KIA CORPORATION
18257670 SENSOR DEVICE AND DATA PROCESSING METHOD THEREOF Non-Final OA SONY GROUP CORPORATION
18889344 METHOD AND APPARATUS FOR DETERMINING ORIENTATION OF SUBJECT DURING MEDICAL IMAGING AND MEDICAL IMAGING SYSTEM Non-Final OA GE Precision Healthcare LLC
18873231 REAL-PERSON IDENTITY VERIFICATION FOR NON-NATURAL PERSON ENTITY OPERATOR Non-Final OA Alipay (Hangzhou) Information Technology Co., Ltd.
18929288 SENSOR EXTRINSIC RECTIFICATION FOR UNIFIED MODEL DEPLOYMENT IN AUTONOMOUS SYSTEMS AND APPLICATIONS Non-Final OA NVIDIA Corporation
18966623 WALKING ROBOT AND POSITION ESTIMATION METHOD THEREOF Non-Final OA Korea Advanced Institute of Science and Technology
18292501 HAIRCARE MONITORING AND FEEDBACK Non-Final OA Conopco, Inc., d/b/a UNILEVER

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