Prosecution Insights
Last updated: October 02, 2026

Examiner: MAHONEY, CHRISTOPHER E

Tech Center 2800 • Art Units: 2638 2852 2855 2862 2872

This examiner grants 83% of resolved cases

Analysis

Christopher E. Mahoney operates within Tech Center 2800 and Art Unit 2638, where he has managed 1090 resolved cases. His allowance rate is 82.9%. This is paired with a median days to allowance of 725, which defines the typical path through the prosecution process for applications assigned to him.

Practitioners should note the impact of direct communication, as Mahoney demonstrates an interview lift of 11.8%. This figure highlights the results of engaging in examiner interviews to resolve outstanding issues. With 1090 resolved cases, the data reflects a consistent track record of handling applications. The 82.9% allowance rate combined with 725 median days to allowance provides a benchmark for performance. Applicants in Art Unit 2638 can use these resolved cases to anticipate the examination experience. The 11.8% interview lift suggests that verbal discussion is a tool available to practitioners for advancing their claims.

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

Performance Statistics

83.0%
Allow Rate
+15.0% vs TC avg
1,111
Total Applications
+11.8%
Interview Lift
725
Avg Prosecution Days
Based on 1091 resolved cases, 2023–2026

Rejection Statute Breakdown

2.2%
§101 Eligibility
32.9%
§102 Novelty
42.7%
§103 Obviousness
14.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19011287 POSITION DETECTION DEVICE AND POSITION DETECTION SYSTEM Non-Final OA Wacom Co., Ltd.
19173550 PRINTED CIRCUIT BOARD INCLUDING FIXING PART AND ELECTRONIC DEVICE COMPRISING SAME Non-Final OA Samsung Electronics Co., Ltd.
19054010 SYSTEM AND METHOD FOR WELD CHECK OF CONTACTORS Non-Final OA VOLVO TRUCK CORPORATION
18850766 ADAPTER AND IMAGING DEVICE Non-Final OA Sony Group Corporation
19077939 APERTURE SET AND APERTURE SET DRIVING DEVICE Non-Final OA LG INNOTEK CO., LTD.
19052585 METHOD AND APPARATUS FOR DETECTING PESTS USING LOW POWER CAPACITIVE SENSING Non-Final OA Ecolab USA Inc.
19023565 SECONDARY BATTERY DETERIORATION DEGREE DETERMINATION DEVICE Non-Final OA DENSO CORPORATION
18914054 HANDHELD GIMBAL AND HANDHELD GIMBAL CONTROL METHOD Non-Final OA SZ DJI TECHNOLOGY CO., LTD.
18984724 DISTRIBUTED BATTERY PROPERTY MEASUREMENT SYSTEM Non-Final OA Analog Devices International Unlimited Company
18575877 DIFFERENTIAL PMOS ISFET-BASED PH SENSOR Non-Final OA The Research Foundation for The State University of New York
19015903 PROXIMITY SENSOR Non-Final OA Keyence Corporation
19079396 METHOD AND SYSTEM FOR MAGNETIC FIELD MAPPING Non-Final OA INVENSENSE, INC
19103269 MAGNETIC SENSOR DEVICE Non-Final OA AICHI STEEL CORPORATION

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