Prosecution Insights
Last updated: October 27, 2026

Van C Mang, USPTO Patent Examiner

Listed by the USPTO as MANG, VAN C

Tech Center 4100 • Art Units: 2122 2125 2126 2147 2148 4100

This examiner grants 75% of resolved cases

Analysis

Van C. Mang works in Tech Center 4100 and Art Unit 2122. He has 266 resolved cases with an allowance rate of 75.2 percent. This rate indicates a favorable environment for applicants. The median days to allowance is 1433, which is a relatively long period for patent prosecution.

The interview lift is 26.8 percent, showing that interviews are an effective way to increase the 75.2 percent allowance rate. This lift suggests that direct communication with the examiner can help resolve issues and potentially move toward a resolution within the 1433-day median timeframe. Practitioners should consider interviews as a standard part of their strategy.

Top companies such as Samsung Electronics Co., Ltd., The Toronto-dominion Bank, and Huawei Technologies Co., Ltd. are active before this examiner. Firms like CALDWELL LLC, Cantor Colburn LLP - General Motors, and DECODE Legal Inc. handle these 266 resolved cases. The 26.8 percent interview lift is a significant benefit for these applicants working toward the 75.2 percent allowance rate.

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

Performance Statistics

75.2%
Allow Rate
+15.2% vs TC avg
295
Total Applications
+26.8%
Interview Lift
1433
Avg Prosecution Days
Based on 266 resolved cases, 2023–2026

Rejection Statute Breakdown

29.2%
§101 Eligibility
8.5%
§102 Novelty
45.4%
§103 Obviousness
14.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18127650 NEURAL ENGINE WITH ACCELERATED MULTIPILER-ACCUMULATOR FOR CONVOLUTION OF INTERGERS Non-Final OA Apple Inc.
17485837 HORIZON-AWARE CUMULATIVE ACCESSIBILITY ESTIMATION Non-Final OA The Toronto-Dominion Bank
18651215 INTERFACING WITH CODED INFERENCE NETWORKS Non-Final OA Huawei Technologies Co., Ltd.
17865106 MODEL TRAINING METHOD AND APPARATUS Non-Final OA Huawei Cloud Computing Technologies Co., Ltd.
18252163 METHOD AND DEVICE FOR DATA ABNORMALITY DETECTION Non-Final OA Commissariat à l'Energie Atomique et aux Energies Alternatives
18194613 DETECTION OF ALGORITHMIC MONOCULTURE BASED ON ESTIMATION OF CAUSAL EFFECT ON COMPUTING ALGORITHM Non-Final OA Fujitsu Limited
18412261 METHODS AND APPARATUS TO SELF-GENERATE A MULTIPLE-OUTPUT ENSEMBLE MODEL DEFENSE AGAINST ADVERSARIAL ATTACKS Final Rejection Intel Corporation
17925078 Methods, Devices, and Computer Programs for Training a Machine Learning Model and For Generating Training Data Non-Final OA Bayerische Motoren Werke Aktiengesellschaft
18493728 TELEMETRY-BASED MACHINE LEARNING OF INTER-NETWORK Non-Final OA Cisco Technology, Inc.
18485765 METHODS AND APPARATUSES FOR JOINTLY UPDATING SERVICE MODEL Non-Final OA Alipay (Hangzhou) Information Technology Co., Ltd.
17498752 MEMORY SYSTEM OF AN ARTIFICIAL NEURAL NETWORK BASED ON A DATA LOCALITY OF AN ARTIFICIAL NEURAL NETWORK Non-Final OA DEEPX CO., LTD.
18786795 METHOD AND APPARATUS FOR LEARNING NEURAL NETWORK MODEL BASED ON DISTRIBUTED LEARNING FRAMEWORK FOR EACH NODE OF HIERARCHICAL TREE-STRUCTURED NETWORK Non-Final OA Korea University Research and Business Foundation
17551735 HUMAN DATA DRIVEN EXPLAINABLE ARTIFICIAL INTELLIGENCE SYSTEM AND METHODS Non-Final OA GM Global Technology Operations LLC
17778724 Method for Providing an Explanation Dataset for an AI Module, Computer-Readable Storage Medium, Device and System Non-Final OA dSPACE GmbH

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Who Appears Before This Examiner

Top companies before this examiner

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Frequently Asked Questions

What is examiner Van C Mang's allowance rate?

75.2% of resolved applications examined by Van C Mang were allowed (266 resolved cases), compared with 31.6% across Art Unit 2122 over the last five years.

Does an interview help with examiner Van C Mang?

This examiner's interview lift is +26.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Van C Mang take to allow a patent?

Applications allowed by Van C Mang took 1,433 days on average from filing to allowance.

Which art unit does examiner Van C Mang work in?

Van C Mang examines applications in Art Unit 2122 in Tech Center 4100.

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