Prosecution Insights
Last updated: October 27, 2026

Kyu Hyung Han, USPTO Patent Examiner

Listed by the USPTO as HAN, KYU HYUNG

Tech Center 2100 • Art Units: 2123 2124 2144

This examiner grants 41% of resolved cases

Analysis

HAN, KYU HYUNG has resolved 17 cases in Tech Center 2100 and Art Unit 2123. The allowance rate is 41.2%, and the median time to allowance is 1534 days. The small record limits broad conclusions, but the timing indicates that applicants should account for an extended prosecution process.

The interview lift is 39.4%, providing a meaningful measured reason to evaluate interviews alongside written responses. The listed companies are International Business Machines Corporation, Capital One Services LLC, and Samsung Electronics Co., Ltd. The principal firms are Harrity & Harrity , LLP, CHIP LAW GROUP, and Hanley, Flight and Zimmerman, LLC.

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

Performance Statistics

41.2%
Allow Rate
-13.8% vs TC avg
51
Total Applications
+39.4%
Interview Lift
1534
Avg Prosecution Days
Based on 17 resolved cases, 2023–2026

Rejection Statute Breakdown

33.7%
§101 Eligibility
2.5%
§102 Novelty
56.8%
§103 Obviousness
7.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17664103 MACHINE LEARNING MODEL FOR RECOMMENDING INTERACTION PARTIES Final Rejection Capital One Services, LLC
17339752 MACHINE LEARNING BASED INTERFERENCE WHITENER SELECTION Final Rejection Samsung Electronics Co., Ltd.
17657041 MORE ROBUST TRAINING FOR ARTIFICIAL NEURAL NETWORKS Non-Final OA Robert Bosch GmbH
18668086 CONSISTENCY EVALUATION FOR DOCUMENT SUMMARIES USING LANGUAGE MODEL NEURAL NETWORKS Non-Final OA Google LLC
18062561 METHOD AND SYSTEM FOR GENERATING TASK-RELEVANT STRUCTURAL EMBEDDINGS FROM MOLECULAR GRAPHS Final Rejection Huawei Cloud Computing Technologies Co., Ltd.
17834282 CONTROL METHOD, COMPUTER-READABLE RECORDING MEDIUM HAVING STORED THEREIN CONTROL PROGRAM, AND INFORMATION PROCESSING DEVICE Non-Final OA FUJITSU LIMITED
17543551 METHOD AND SYSTEM OF HIGHLY EFFICIENT NEURAL NETWORK IMAGE PROCESSING Final Rejection Intel Corporation
18783788 System and Method for Closed-Loop Uncertainty for Human-Machine Teamwork Non-Final OA The Government of the United States of America, as represented by the Secretary of the Navy
18596414 DOMAIN GENERALIZATION FOR MACHINE LEARNING MODELS Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18192613 OPTIMAL RELAXED CLASSIFICATION TREES Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
17772182 MODEL GENERATION APPARATUS, ESTIMATION APPARATUS, MODEL GENERATION METHOD, AND COMPUTER-READABLE STORAGE MEDIUM STORING A MODEL GENERATION PROGRAM Non-Final OA OMRON Corporation
17850754 SYSTEM AND METHOD FOR REDUCTION OF DATA TRANSMISSION IN DYNAMIC SYSTEMS THROUGH REVISION OF RECONSTRUCTED DATA Final Rejection Dell Products L.P.
17914035 SYSTEM AND METHOD FOR TRAINING A SPARSE NEURAL NETWORK WHILST MAINTAINING SPARSITY Non-Final OA DeepMind Technologies Limited
17798111 LEARNING MACHINE LEARNING INCENTIVES BY GRADIENT DESCENT FOR AGENT COOPERATION IN A DISTRIBUTED MULTI-AGENT SYSTEM Non-Final OA DeepMind Technologies Limited

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Frequently Asked Questions

What is examiner Kyu Hyung Han's allowance rate?

41.2% of resolved applications examined by Kyu Hyung Han were allowed (17 resolved cases), compared with 38.8% across Art Unit 2123 over the last five years.

Does an interview help with examiner Kyu Hyung Han?

This examiner's interview lift is +39.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kyu Hyung Han take to allow a patent?

Applications allowed by Kyu Hyung Han took 1,534 days on average from filing to allowance.

Which art unit does examiner Kyu Hyung Han work in?

Kyu Hyung Han examines applications in Art Unit 2123 in Tech Center 2100 (Computing & Software).

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