Prosecution Insights
Last updated: October 26, 2026

Randolph I Chu, USPTO Patent Examiner

Listed by the USPTO as CHU, RANDOLPH I

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

This examiner grants 80% of resolved cases

Analysis

CHU, RANDOLPH I has resolved 822 cases in Tech Center 3600 and Art Unit 2624. The allowance rate is 80.4%, while the median time to allowance is 1081 days. The record shows allowance in a clear majority of resolved matters, although the median prosecution timeline remains extended.

The interview lift is 6.4%, reflecting a limited measured association between interviews and allowance. The leading companies are Canon Inc., Stryker Corporation, and Sony Group Corporation. The leading firms are MORRISON & FOERSTER LLP, CHIP LAW GROUP, and DINSMORE & SHOHL LLP. Practitioners may prioritize precise written positions and use interviews when a particular technical or claim-scope issue warrants discussion.

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

Performance Statistics

80.4%
Allow Rate
+28.4% vs TC avg
849
Total Applications
+6.4%
Interview Lift
1081
Avg Prosecution Days
Based on 822 resolved cases, 2023–2026

Rejection Statute Breakdown

16.2%
§101 Eligibility
28.2%
§102 Novelty
39.7%
§103 Obviousness
10.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18423465 STORAGE MEDIUM STORING PROGRAM AND IMAGE PROCESSING APPARATUS Final Rejection BROTHER KOGYO KABUSHIKI KAISHA
19006387 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Non-Final OA CANON KABUSHIKI KAISHA
18346185 SYSTEMS AND METHODS FOR DISPLAYING MEDICAL IMAGING DATA Non-Final OA Stryker Corporation
18257670 SENSOR DEVICE AND DATA PROCESSING METHOD THEREOF Non-Final OA SONY GROUP CORPORATION
18729573 AUTHENTICATION SYSTEM, AUTHENTICATION APPARATUS, AUTHENTICATION METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM Final Rejection NEC Corporation
18966623 WALKING ROBOT AND POSITION ESTIMATION METHOD THEREOF Non-Final OA Korea Advanced Institute of Science and Technology
18889344 METHOD AND APPARATUS FOR DETERMINING ORIENTATION OF SUBJECT DURING MEDICAL IMAGING AND MEDICAL IMAGING SYSTEM Non-Final OA GE Precision Healthcare LLC
18929288 SENSOR EXTRINSIC RECTIFICATION FOR UNIFIED MODEL DEPLOYMENT IN AUTONOMOUS SYSTEMS AND APPLICATIONS Non-Final OA NVIDIA Corporation
18848278 SELF-KNOWLEDGE DISTILLATION FOR SURGICAL PHASE RECOGNITION Non-Final OA DIGITAL SURGERY LIMITED
18292501 HAIRCARE MONITORING AND FEEDBACK Non-Final OA Conopco, Inc., d/b/a UNILEVER

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Frequently Asked Questions

What is examiner Randolph I Chu's allowance rate?

80.4% of resolved applications examined by Randolph I Chu were allowed (822 resolved cases), compared with 74.2% across Art Unit 2624 over the last five years.

Does an interview help with examiner Randolph I Chu?

This examiner's interview lift is +6.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Randolph I Chu take to allow a patent?

Applications allowed by Randolph I Chu took 1,081 days on average from filing to allowance.

Which art unit does examiner Randolph I Chu work in?

Randolph I Chu examines applications in Art Unit 2624 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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