Prosecution Insights
Last updated: October 02, 2026

Examiner: SCHINDLER, DAVID M

Tech Center 2800 • Art Units: 2858 2862

This examiner grants 40% of resolved cases

Analysis

David M Schindler examines cases in Art Unit 2858 within Tech Center 2800. He has 620 resolved cases, with an allowance rate pct of 40.5. The median days to allowance is 1413, suggesting a more rigorous and lengthy prosecution process. With 620 cases of data, the 40.5 allowance rate pct indicates that applicants may face significant hurdles before reaching a grant.

The interview lift pct of 23.4 is a key metric for developing a strategy. This lift suggests that conducting an interview can substantially increase the probability of an allowance. Given the 1413-day median pendency, the 23.4 interview lift pct offers a strategic advantage for those looking to resolve issues more effectively. Practitioners should factor the baseline into their planning while using interviews to improve their chances of success in this art unit.

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

Performance Statistics

40.5%
Allow Rate
-27.5% vs TC avg
688
Total Applications
+23.4%
Interview Lift
1413
Avg Prosecution Days
Based on 620 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
20.7%
§102 Novelty
38.0%
§103 Obviousness
36.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18716507 DEVICE FOR MEASURING THE OXIDATION OF A BRAKE DISC BY MEANS OF DIAMAGNETISM MEASUREMENT Final Rejection SAFRAN LANDING SYSTEMS
18427676 SEMICONDUCTOR MANUFACTURING DEVICE AND SEMICONDUCTOR MANUFACTURING METHOD Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18114093 Non-Invasive Method For Behind-Casing Cable Localization Non-Final OA Halliburton Energy Services, Inc.
18879568 SHORT CIRCUIT DETERMINATION DEVICE, ELECTRONIC APPARATUS, AND SHORT CIRCUIT DETERMINATION METHOD Non-Final OA Mitsubishi Electric Corporation
18745997 TESTING DEVICE FOR TESTING SEMICONDUCTORS AND METHODS OF FABRICATION Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18137593 RAIL STATE MONITORING APPARATUS AND RAIL STATE MONITORING METHOD Non-Final OA Hitachi, Ltd.
18928156 MEASUREMENT DEVICE AND ESTIMATION SYSTEM Non-Final OA Yokogawa Electric Corporation
18620073 HALL SENSOR WITH MAGNETIC CONCENTRATORS Final Rejection TEXAS INSTRUMENTS INCORPORATED
18193099 HALL SENSOR WITH MAGNETIC FLUX CONCENTRATOR Final Rejection TEXAS INSTRUMENTS INCORPORATED
18620689 DETECTION DEVICE Final Rejection DENSO CORPORATION
18620680 DETECTION DEVICE Final Rejection DENSO CORPORATION
18460592 CURRENT MEASUREMENT MODULE, CURRENT MEASUREMENT CONDUCTOR, AND CURRENT MEASUREMENT DEVICE Non-Final OA Asahi Kasei Microdevices Corporation
18883261 VEHICLE OPERATION WITH PHYSIOLOGICAL MONITORING Final Rejection Masimo Corporation
17542034 REDUNDANT RESOLVER Non-Final OA Joby Aero, Inc.
19057624 HIGH PRECISION ANGULAR MEASUREMENT SYSTEM Non-Final OA Analog Devices International Unlimited Company
18475135 MAGNETORESISTIVE SENSOR Non-Final OA Analog Devices International Unlimited Company
19051294 MAGNETIC DETECTION DEVICE, MAGNETIC DETECTION MODULE, MAGNETIC DETECTION SYSTEM, GEAR DRIVING DETECTION DEVICE, MOTOR DRIVING DETECTION DEVICE, AND ENCODER Non-Final OA TDK Corporation
18743261 MAGNETIC SENSOR DEVICE Final Rejection TDK CORPORATION
18664446 MAGNETORESISTIVE DEVICE AND METHOD FOR MANUFACTURING THE SAME, AND MAGNETIC SENSOR Final Rejection TDK Corporation
17948486 MAGNETIC SENSOR Final Rejection TDK CORPORATION
17544381 SPEED SENSING DEVICES AND SYSTEMS FOR A BICYCLE Final Rejection SRAM, LLC
18033244 ELECTROMAGNETIC INSPECTION DEVICE CAPABLE OF CALIBRATION Non-Final OA POSCO Co., Ltd
18477688 INDUCTIVE SCANNER AND METHOD FOR INDUCTIVE SCANNING Final Rejection Rohde & Schwarz GmbH & Co. KG
19039229 ABSOLUTE ENCODER Non-Final OA MINEBEA MITSUMI Inc.
16935432 Systems and Methods for MOKE Metrology with Consistent MRAM Die Orientation Non-Final OA KLA Corporation
18444665 System and Method for Locating Undocumented Orphaned Oil and Gas Wells with a Smartphone Final Rejection The Board of Regents of the University of Oklahoma
18748234 SYSTEMS AND METHODS FOR DIFFERENTIALLY SENSING A MAGNETIC FIELD Final Rejection Allegro MicroSystems, LLC
18647130 CYCLIC CHANNEL SELF EVALUATION Final Rejection Allegro MicroSystems, LLC
19001592 METAL DETECTOR Non-Final OA SHANGHAI TIANXUN ELECTRONIC EQUIPMENT CO.,LTD
19001590 METAL DETECTOR Non-Final OA SHANGHAI TIANXUN ELECTRONIC EQUIPMENT CO.,LTD

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month