Prosecution Insights
Last updated: October 27, 2026

Hyungjun B Yi, USPTO Patent Examiner

Listed by the USPTO as YI, HYUNGJUN B

Tech Center 2100 • Art Units: 2100 2146

This examiner grants 34% of resolved cases

Analysis

YI, HYUNGJUN B is assigned to tech center 2100 and art unit 2100. The profile covers 29 resolved cases, with an allowance rate of 34.5% and a median of 1570 days to allowance. Interviews show a 30.2% lift, indicating a positive association with allowance outcomes.

The limited resolved-case volume makes the figures directional. NEC Laboratories America, International Business Machines, and Robert Bosch are the listed companies, while CHIP LAW GROUP, HODGSON RUSS LLP, and IPUSA, P.L.L.C are the listed firms. Interview preparation may help, but applicants should plan for extended prosecution.

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

Performance Statistics

34.5%
Allow Rate
-20.5% vs TC avg
71
Total Applications
+30.2%
Interview Lift
1570
Avg Prosecution Days
Based on 29 resolved cases, 2023–2026

Rejection Statute Breakdown

28.6%
§101 Eligibility
12.4%
§102 Novelty
53.5%
§103 Obviousness
4.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18133125 AUTOMATIC GENERATION OF EXEMPLAR QUANTITY FOR TRAINING MACHINE LEARNING MODELS Final Rejection ORACLE INTERNATIONAL CORPORATION
18059204 METHOD AND DEVICE FOR DETERMINING A COVERAGE OF A DATA SET FOR A MACHINE LEARNING SYSTEM WITH RESPECT TO TRIGGER EVENTS Non-Final OA Robert Bosch GmbH
18598612 MODEL TEST METHOD AND APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
17708018 COMPUTER-READABLE RECORDING MEDIUM, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING APPARATUS Final Rejection FUJITSU LIMITED
18250089 BEHAVIOR PREDICTION METHOD, BEHAVIOR PREDICTION APPARATUS AND PROGRAM Non-Final OA NIPPON TELEGRAPH AND TELEPHONE CORPORATION
17220567 TRAINING A MACHINE LEARNING MODEL USING STRUCTURED DATA Non-Final OA Salesforce, Inc.
18479326 INTERPRETING CONVOLUTIONAL SEQUENCE MODEL BY LEARNING LOCAL AND RESOLUTION-CONTROLLABLE PROTOTYPES Non-Final OA NEC Laboratories America, Inc.
18479372 INTERPRETING CONVOLUTIONAL SEQUENCE MODEL BY LEARNING LOCAL AND RESOLUTION-CONTROLLABLE PROTOTYPES Non-Final OA NEC Laboratories America, Inc.
18479385 INTERPRETING CONVOLUTIONAL SEQUENCE MODEL BY LEARNING LOCAL AND RESOLUTION-CONTROLLABLE PROTOTYPES Non-Final OA NEC Laboratories America, Inc.
17104817 BIOLOGY EXPERIMENT DESIGNS Non-Final OA The Regents of the University of California
17934573 MACHINE LEARNING MODEL TRAINING METHOD, ELECTRONIC DEVICE AND STORAGE MEDIUM Non-Final OA GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
18742662 LEARNING NOISE MODELS TO PERFORM QUANTUM ERROR MITIGATION ON UNSTRUCTURED QUANTUM CIRCUITS Non-Final OA International Business Machines Corporation
17124945 TRAINING A SEMANTIC PARSER USING ACTION TEMPLATES Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18257101 ESTIMATION DEVICE, ESTIMATION METHOD, ESTIMATION PROGRAM, AND LEARNING MODEL GENERATION DEVICE Final Rejection THE UNIVERSITY OF TOKYO
18872883 NEURAL NETWORKS WITH REGULARIZED ATTENTION LAYERS Non-Final OA DeepMind Technologies Limited

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Frequently Asked Questions

What is examiner Hyungjun B Yi's allowance rate?

34.5% of resolved applications examined by Hyungjun B Yi were allowed (29 resolved cases), compared with 38.8% across Art Unit 2100 over the last five years.

Does an interview help with examiner Hyungjun B Yi?

This examiner's interview lift is +30.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hyungjun B Yi take to allow a patent?

Applications allowed by Hyungjun B Yi took 1,570 days on average from filing to allowance.

Which art unit does examiner Hyungjun B Yi work in?

Hyungjun B Yi examines applications in Art Unit 2100 in Tech Center 2100 (Computing & Software).

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