Prosecution Insights
Last updated: October 02, 2026

Examiner: MCANDREW, CHRISTOPHER P

Tech Center 3600 • Art Units: 2837 2857 2858 3636

This examiner grants 86% of resolved cases

Analysis

Christopher P. McAndrew has resolved 989 cases in Art Unit 2837, achieving an allowance rate of 85.9%. The median days to allowance is 833. This high volume of cases provides a strong baseline for Tech Center 3600. The interview lift is 13.9%, which further improves the 85.9% baseline. This 13.9% lift suggests that interviews are a productive way to resolve issues and reach an allowance.

The 833-day median pendency is a favorable metric for applicants. The 13.9% lift indicates that the examiner is responsive to direct engagement. With 989 resolved cases, the 85.9% rate is a well-supported metric. The 833-day median provides a realistic timeframe for applicants to reach a final resolution. In Art Unit 2837, the 85.9% allowance rate is a strong indicator of success.

In Tech Center 3600, the 833-day median pendency is a key factor for planning. The 13.9% interview lift is a useful tool for resolving rejections. Applicants should use the 833-day median to manage expectations for patent issuance. The 989 cases on record ensure that these metrics are statistically representative of the examiner's performance.

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

Performance Statistics

85.9%
Allow Rate
+33.9% vs TC avg
1,011
Total Applications
+13.9%
Interview Lift
833
Avg Prosecution Days
Based on 989 resolved cases, 2023–2026

Rejection Statute Breakdown

2.2%
§101 Eligibility
28.4%
§102 Novelty
50.5%
§103 Obviousness
15.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18948098 VEHICLE SYSTEM ARRANGEMENT Non-Final OA HELLA GMBH & CO. KGAA
18959808 METHOD AND DEVICE FOR DETECTING A FAILURE OF A LITHIUM-ION BATTERY CELL Non-Final OA COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
18940801 SYSTEMS AND METHODS FOR INTERFERENCE SIGNAL COLLECTION AND PROCESSING Non-Final OA SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
18906665 ELECTRONIC COMPONENT INTENDED TO BE PLACED ON BOARD A VEHICLE Non-Final OA Valeo eAutomotive Germany GmbH
19087759 EDDY-CURRENT FLAW DETECTION DEVICE AND EDDY-CURRENT FLAW DETECTION METHOD Non-Final OA IHI Corporation
18817683 Coil Assembly, MRI System and Tuning Method Non-Final OA Siemens Healthineers AG
18877371 POSITION DETECTING SYSTEM, ACTUATOR, AND POSITION DETECTING METHOD Non-Final OA Fanuc Corporation
18857967 IMPEDANCE MEASUREMENT APPARATUS AND IMPEDANCE MEASUREMENT METHOD Non-Final OA SCREEN Holdings Co., Ltd.
19120588 TWISTED-PAIR PLASMA CURRENT ROGOWSKI COIL Non-Final OA Commonwealth Fusion Systems LLC
19106247 METHOD AND APPARATUS FOR REDUCING THE NOISE TEMPERATURE OF SYSTEMS COMPRISING SAMPLES WHICH INTERACT WITH OSCILLATING ELECTROMAGNETIC FIELDS SUPPORTED BY ELECTROMAGNETIC RESONATORS Non-Final OA IMPERIAL COLLEGE INNOVATIONS LIMITED
19050905 AUTOMATED TEST EQUIPMENT, METHOD FOR TESTING A DEVICE UNDER TEST AND COMPUTER PROGRAM USING A FITTING APPROACH TO OBTAIN TEMPERATURE CONTROL INSTRUCTIONS Non-Final OA Advantest Corporation

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