Prosecution Insights
Last updated: October 26, 2026

Andrew Tsutomu Chiusano, USPTO Patent Examiner

Listed by the USPTO as CHIUSANO, ANDREW TSUTOMU

Tech Center 2800 • Art Units: 2100 2119 2123 2144 2174 2176 2844

This examiner grants 56% of resolved cases

Analysis

CHIUSANO, ANDREW TSUTOMU is assigned to Tech Center 2800 and Art Unit 2100. The dataset reports 409 resolved cases, a 56.2% allowance rate, and a median of 1243 days to allowance. Interviews show a 27.3% lift, supporting their consideration as part of prosecution strategy.

Qualcomm Incorporated, Halliburton Energy Services Inc., and Google LLC are the listed leading companies. Patterson + Sheridan, L.L.P., BakerHostetler, and BERKELEY LAW & TECHNOLOGY GROUP, LLP are the listed leading firms. The timing measure indicates that practitioners should plan for a longer prosecution path.

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

Performance Statistics

56.2%
Allow Rate
-11.8% vs TC avg
448
Total Applications
+27.3%
Interview Lift
1243
Avg Prosecution Days
Based on 409 resolved cases, 2023–2026

Rejection Statute Breakdown

13.3%
§101 Eligibility
9.8%
§102 Novelty
58.6%
§103 Obviousness
13.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18236613 Informed Machine Learning For Cement Bond Evaluation Final Rejection Halliburton Energy Services, Inc.
18343353 Online Learning with Component Factorized Models Final Rejection Google LLC
18018373 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND COMPUTER READABLE MEDIUM Final Rejection NEC Corporation
18468481 MULTI-BRANCH MACHINE LEARNING MODELS FOR MULTI-DOMAIN AND MULTI-TASK PROCESSING Non-Final OA QUALCOMM Incorporated
18462872 ACCELERATING COMPLEX WORKLOADS USING SPARSE FAST CHEBYSHEV INTERPOLATION Final Rejection QUALCOMM Incorporated
17825886 APPLICATION MANAGEMENT IN A COMPUTING DEVICE Non-Final OA QUALCOMM Incorporated
18462914 LEARNABLE DEGREES OF EQUIVARIANCE FOR MACHINE LEARNING MODELS Non-Final OA Qualcomm Technologies, Inc.
18699891 COST ESTIMATION DEVICE, METHOD AND PROGRAM FOR ACTION MODEL Non-Final OA NTT, Inc.
18399161 LIKELIHOOD-BASED DYNAMIC GRAPH PREDICTION Non-Final OA Microsoft Technology Licensing, LLC
18399651 Method for Reducing a Neural Network Non-Final OA MEDIATEK INC.
18615121 BALANCED MULTIMODAL DATASET GENERATION FOR ANOMALY DETECTION Non-Final OA International Business Machines Corporation
18443070 NEURAL NETWORK MODIFICATION Non-Final OA NVIDIA Corporation
18589092 COMPRESSING A NEURAL NETWORK Non-Final OA Imagination Technologies Limited
18667151 MODELLING DIFFUSION PROCESSES ROOTED IN REALITY Non-Final OA Dell Products L.P.
18104946 CLASSIFYING INCORPORATION METRICS Non-Final OA Adobe Inc.

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Who Appears Before This Examiner

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Frequently Asked Questions

What is examiner Andrew Tsutomu Chiusano's allowance rate?

56.2% of resolved applications examined by Andrew Tsutomu Chiusano were allowed (409 resolved cases), compared with 38.8% across Art Unit 2100 over the last five years.

Does an interview help with examiner Andrew Tsutomu Chiusano?

This examiner's interview lift is +27.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Andrew Tsutomu Chiusano take to allow a patent?

Applications allowed by Andrew Tsutomu Chiusano took 1,243 days on average from filing to allowance.

Which art unit does examiner Andrew Tsutomu Chiusano work in?

Andrew Tsutomu Chiusano examines applications in Art Unit 2100 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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