Prosecution Insights
Last updated: October 02, 2026

Examiner: DO, AN H

Tech Center 4100 • Art Units: 1687 2853 2855 2857 3624 3792 4100

This examiner grants 90% of resolved cases

Analysis

An H. Do has resolved a large volume of 1461 cases in Art Unit 1687, part of Tech Center 4100. The examiner's allowance rate is very high at 90.5%, and the median days to allowance is 769. The interview lift of 7.0% indicates a modest benefit from interviews, though the high baseline suggests that most cases are allowed through the written record. This profile is characterized by both high success and high efficiency.

Practitioners in Tech Center 4100 can expect a very favorable and efficient prosecution process, as shown by the 90.5% allowance rate and 769-day median. The 7.0% interview lift is a helpful option for resolving complex issues, but it is not as critical as in other profiles. With 1461 resolved cases, the data is exceptionally reliable. Applicants should focus on high-quality written submissions to take advantage of the 90.5% success rate, while keeping the 7.0% lift in mind as a way to potentially expedite the 769-day path to allowance in Art Unit 1687.

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

Performance Statistics

90.5%
Allow Rate
+30.5% vs TC avg
1,474
Total Applications
+7.0%
Interview Lift
769
Avg Prosecution Days
Based on 1461 resolved cases, 2023–2026

Rejection Statute Breakdown

11.0%
§101 Eligibility
40.3%
§102 Novelty
26.1%
§103 Obviousness
4.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18688817 METHOD FOR PREVENTING DAMAGE TO A FUEL CELL STACK Non-Final OA Robert Bosch GmbH
18343763 ALGORITHM FOR ASSESSMENT OF FORWARD BIASED JUNCTIONS DETECTED DURING CIRCUIT OPERATION Non-Final OA Intel Corporation
18585794 STATE DETECTION SYSTEM, STATE DETECTION METHOD, AND COMPUTER READABLE MEDIUM Non-Final OA Mitsubishi Electric Corporation
18640273 Device and Method for Foodstuff Quality Control Non-Final OA Siemens Healthineers AG
18718463 FRAGRANCE RECIPE/COMPOSITION FROM TARGET TEMPORAL ODOUR PROFILES Non-Final OA BASF SE
18606609 LANGUAGE MODELS FOR AUTOMATIC MICROBENCHMARK GENERATION Non-Final OA Rockwell Collins, Inc.
18552955 ROBOT FAILURE SYMPTOM DETECTION APPARATUS AND ROBOT FAILURE SYMPTOM DETECTION METHOD Non-Final OA KAWASAKI JUKOGYO KABUSHIKI KAISHA
18416575 ACCELERATION DETECTION DEVICE AND MOUNTING ANGLE DETECTION METHOD Non-Final OA DENSO CORPORATION
18074364 EVALUATION OF BRAIN TISSUE AND MATERIAL BASED ON A FRACTION-PRODUCT AND OPTICAL SPECTROSCOPY Non-Final OA United States Government as Represented by the Department of Veterans Affairs
18757779 SEISMIC SENSOR, EARTHQUAKE DETECTION METHOD, AND EARTHQUAKE DETECTION PROGRAM Non-Final OA OMRON CORPORATION
18698672 METHODS FOR ENHANCING COMPLETE DATA EXTRACTION OF DIA DATA Non-Final OA DH Technologies Development Pte. Ltd.
18157759 CALIBRATION OF SOLID-STATE SENSORS Non-Final OA Wake Forest University Health Sciences

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