Prosecution Insights
Last updated: October 02, 2026

Examiner: HOANG, HAU HAI

Tech Center 2400 • Art Units: 2154 2161 2167 2199 2449

This examiner grants 78% of resolved cases

Analysis

Hau Hai Hoang serves in Tech Center 2400 and Art Unit 2154, where he has overseen 510 resolved cases. His allowance rate is 78.2%, providing a positive outlook for applicants. The median days to allowance is 968, which is a relatively efficient timeline for reaching a grant. These figures, derived from 510 resolved cases, reflect a consistent and applicant friendly examination style.

The interview lift pct of 13.4% shows that even with a 78.2% allowance rate, an interview can still provide a measurable benefit. This lift suggests that oral advocacy is a useful supplement to written responses. Given the 968 median days to allowance, practitioners might use an interview to resolve any lingering issues that are preventing a final grant. The 510 resolved cases provide a robust dataset, ensuring that these percentages are a consistent reflection of his work in Tech Center 2400.

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

Performance Statistics

78.2%
Allow Rate
+20.2% vs TC avg
537
Total Applications
+13.4%
Interview Lift
968
Avg Prosecution Days
Based on 510 resolved cases, 2023–2026

Rejection Statute Breakdown

19.1%
§101 Eligibility
16.2%
§102 Novelty
42.8%
§103 Obviousness
15.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19332563 Adaptive Cache Synchronization System for Federated Large Codeword Models Non-Final OA AtomBeam Technologies Inc.
19204517 Federated Byte Latent Transformer for Privacy-Preserving Deep Learning Final Rejection AtomBeam Technologies Inc.
18655483 ONBOARD DOCUMENTATION SYSTEM AND METHODS Final Rejection Oshkosh Corporation
19037607 AUTOMATIC DOCUMENT CONTENT SEARCH AND REPLACE FOR DOCUMENTS WITH MATCHING METADATA METHODS Non-Final OA KYOCERA DOCUMENT SOLUTIONS, INC.
19088241 SYSTEMS AND METHODS FOR RECOMMENDING INFORMATION ITEMS FOR FULFILLMENT-BASED NATURAL LANGUAGE QUERIES Non-Final OA Walmart Apollo, LLC
18751213 SYSTEMS AND METHODS FOR ALTERING A GRAPHICAL USER INTERFACE BASED ON EXPLORATION OF SEARCH QUERY RANKING Final Rejection Walmart Apollo, LLC
19211438 KNOWLEDGE INSIGHT CAPTURING SYSTEM Final Rejection BASF SE
18590285 Control System for Learning to Rank Fairness Non-Final OA Oracle International Corporation
19345827 SELF-HEALING SERVER FILE SYSTEM WITH SPACE CLEANUP Non-Final OA Truist Bank
18989259 METHODS AND SYSTEMS FOR BIOLOGICALLY DETERMINED ARTIFICIAL INTELLIGENCE SELECTION GUIDANCE Final Rejection KPN INNOVATIONS LLC
19083686 ATTRIBUTE INFORMATION ACQUISITION METHOD AND APPARATUS FOR DIRECTORY OF DISTRIBUTED FILE SYSTEM,AND DEVICE Final Rejection Baidu Online Network Technology (Beijing) Co., Ltd.
19306181 METHODS AND SYSTEMS FOR GRAPH ABSTRACTION Non-Final OA Netflix, Inc.
19096560 STORAGE TIER VERIFICATION CHECKS Non-Final OA NetApp, Inc.
19205533 WITHIN-CONTEXT SEMANTIC RELEVANCE INFERENCE OF MACHINE LEARNING MODEL GENERATED OUTPUT Final Rejection Dropbox, Inc.
19189769 MULTI-DIMENSIONAL CONTENT ORGANIZATION AND ARRANGEMENT CONTROL IN A USER INTERFACE OF A COMPUTING DEVICE Final Rejection Dropbox, Inc.

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