Prosecution Insights
Last updated: October 27, 2026

Brian J Hales, USPTO Patent Examiner

Listed by the USPTO as HALES, BRIAN J

Tech Center 3600 • Art Units: 2121 2125 2853 3629

This examiner grants 78% of resolved cases

Analysis

HALES, BRIAN J is a USPTO patent examiner in tech center 3600 and art unit 2121. The record contains 95 resolved cases, with a 77.9% allowance rate and a median of 1409 days to allowance. The 29.3% interview lift indicates a positive association between interviews and allowance outcomes, although the case base is limited.

The leading companies are Google LLC, Huawei Technologies Co., Ltd., and International Business Machines Corporation. The leading firms are BIRCH STEWART KOLASCH & BIRCH, LLP, Brooks Kushman P.C., and GATES & COOPER LLP (General). These names provide a focused starting point for reviewing relevant prosecution experience.

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

Performance Statistics

77.9%
Allow Rate
+25.9% vs TC avg
124
Total Applications
+29.3%
Interview Lift
1409
Avg Prosecution Days
Based on 95 resolved cases, 2023–2026

Rejection Statute Breakdown

34.5%
§101 Eligibility
4.9%
§102 Novelty
32.8%
§103 Obviousness
26.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18406747 ARTIFICIAL INTELLIGENCE DEVICE FOR EVALUATION AND CONTROL METHOD THEREOF Non-Final OA LG ELECTRONICS INC.
18524891 TEMPORAL QUANTUM FEATURE MAPS FOR KERNEL-BASED SEQUENTIAL DATA PREDICTION Non-Final OA Wells Fargo Bank, N.A.
17735342 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Non-Final OA CANON KABUSHIKI KAISHA
18758727 ENHANCED DECODING OF QUANTUM ERROR CORRECTION CODES WITH IN-PHASE AND QUADRATURE INFORMATION Non-Final OA Google LLC
18437202 LEARNING NEURAL NETWORK ARCHITECTURES BY BACKPROPAGATION USING DIFFERENTIABLE MASKS Non-Final OA Google LLC
18160662 SEMANTIC SEGMENTATION USING A TARGETED TOTAL VARIATION LOSS Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18738389 Generating Architecture Solutions Non-Final OA International Business Machines Corporation
18477983 REDUCING THE NUMBER OF ROBUST COUNTERPARTS Non-Final OA International Business Machines Corporation
17964952 DATA PROCESSING APPARATUS, DATA PROCESSING METHOD AND DATA PROCESSING PROGRAM Final Rejection Hitachi, Ltd.
18175378 METHOD FOR GENERATION OF RANDOM QUANTUM STATES AND VERIFICATION OF QUANTUM DEVICES Final Rejection California Institute of Technology
18288858 METHOD AND APPARATUS FOR OPERATING IN-MEMORY COMPUTING ARCHITECTURE APPLIED TO NEURAL NETWORK AND DEVICE Non-Final OA Peking University
17710728 GENERATING SYNTHETIC MICROSPY IMAGES OF MANUFACTURED DEVICES Non-Final OA Applied Materials, Inc.
17740367 MULTI-CHIPLET ENERGY-EFFICIENT DNN ACCELERATOR ARCHITECTURE Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18622081 INSIGHT GENERATION TO FACILITATE INTERPRETATION OF INFERENCE MODEL OUTPUTS Non-Final OA Dell Products L.P.

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Frequently Asked Questions

What is examiner Brian J Hales's allowance rate?

77.9% of resolved applications examined by Brian J Hales were allowed (95 resolved cases), compared with 32.0% across Art Unit 2121 over the last five years.

Does an interview help with examiner Brian J Hales?

This examiner's interview lift is +29.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brian J Hales take to allow a patent?

Applications allowed by Brian J Hales took 1,409 days on average from filing to allowance.

Which art unit does examiner Brian J Hales work in?

Brian J Hales examines applications in Art Unit 2121 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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