Prosecution Insights
Last updated: October 26, 2026

Wenwei Zeng, USPTO Patent Examiner

Listed by the USPTO as ZENG, WENWEI

Tech Center 4100 • Art Units: 2146 4100

This examiner grants 0% of resolved cases

Analysis

ZENG, WENWEI has resolved 1 case in Tech Center 4100 and Art Unit 2146. The allowance rate is 0.0%, and the interview lift is also 0.0%. The median time to allowance is 1348 days. Because the resolved-case record is limited, these figures provide a narrow basis for evaluating prosecution tendencies, but they do identify a proceeding that did not result in an allowance within the reported record.

The listed companies are International Business Machines Corporation, Samsung Electronics Co., Ltd., and Canon Inc. The listed firms are Bayramoglu Law Offices LLC, BIRCH STEWART KOLASCH & BIRCH, LLP, and BROOKS, CAMERON & HUEBSCH, PLLC. These names may help practitioners locate comparable representation and technology portfolios in the art unit.

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

Performance Statistics

0.0%
Allow Rate
-60.0% vs TC avg
32
Total Applications
+0.0%
Interview Lift
1348
Avg Prosecution Days
Based on 1 resolved cases, 2023–2026

Rejection Statute Breakdown

47.1%
§101 Eligibility
2.4%
§102 Novelty
47.1%
§103 Obviousness
3.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18210967 ELECTRONIC DEVICE FOR DETERMINING INFERENCE DISTRIBUTION RATIO OF ARTIFICIAL NEURAL NETWORK AND OPERATING METHOD OF THE ELECTRONIC DEVICE Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18361238 KNOWLEDGE DISTILLATION FOR FAST ULTRASOUND HARMONIC IMAGING Final Rejection Canon Kabushiki Kaisha
18424689 NOISE SCHEDULING FOR DIFFUSION NEURAL NETWORKS Non-Final OA Google LLC
18360234 OPERATIONS RESEARCH AND OPTIMIZATION METHOD, APPARATUS, AND COMPUTING DEVICE Final Rejection HUAWEI CLOUD COMPUTING TECHNOLOGIES CO., LTD.
18664531 QUANTIZATION-AWARE TRAINING FOR MACHINE LEARNING MODEL ADAPTERS Non-Final OA QUALCOMM Incorporated
18526561 MONITORING HEALTH OF NETWORK APPLICATION BY COMBINING PREDICTIONS FROM DISPARATE DATA SOURCES Non-Final OA Royal Bank of Canada
18243514 APPARATUS FOR ESTIMATING UNCERTAINTY OF AN ARTIFICIAL NEURAL NETWORK MODEL AND A METHOD THEREOF Final Rejection KIA CORPORATION
18392732 DATA PROCESSING DEVICE AND DATA PROCESSING METHOD Non-Final OA Mitsubishi Electric Corporation
18393357 MACHINE LEARNING MODEL AGGREGATION Non-Final OA Micron Technology, Inc.
18303525 SYSTEMS AND METHODS FOR GENERATING MODEL ARCHITECTURES FOR TASK-SPECIFIC MODELS IN ACCELERATED TRANSFER LEARNING Non-Final OA Microsoft Technology Licensing, LLC
18633992 TRAINING AND USING AN EXTRACTION MACHINE LEARNING MODEL BASED ON PREDICTING ANNOTATION QUALITY Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18451394 QUESTION ANSWERING SYSTEM WITH USER CONTEXT Final Rejection International Business Machines Corporation

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Frequently Asked Questions

What is examiner Wenwei Zeng's allowance rate?

0.0% of resolved applications examined by Wenwei Zeng were allowed (1 resolved cases), compared with 71.7% across Art Unit 2146 over the last five years.

Does an interview help with examiner Wenwei Zeng?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Wenwei Zeng take to allow a patent?

Applications allowed by Wenwei Zeng took 1,348 days on average from filing to allowance.

Which art unit does examiner Wenwei Zeng work in?

Wenwei Zeng examines applications in Art Unit 2146 in Tech Center 4100.

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