Prosecution Insights
Last updated: October 27, 2026

David M Schindler, USPTO Patent Examiner

Listed by the USPTO as SCHINDLER, DAVID M

Tech Center 2800 • Art Units: 2858 2862

This examiner grants 41% of resolved cases

Analysis

SCHINDLER, DAVID M has 623 resolved cases and an allowance rate of 40.6%. The median time to allowance is 1413 days. Interviews correspond to a 23.8% lift in the allowance rate, giving applicants a reason to consider direct examiner discussion while preparing for a difficult prosecution path. The timing measure supports early planning for continued examination activity before allowance.

The listed companies are TDK Corporation, Denso Corporation, and Texas Instruments Incorporated. The listed firms are OLIFF PLC, Harrity & Harrity, LLP, and Precision Patents, P.C. These organizations identify the applicant and counsel experience represented in the examiner’s resolved matters and can guide targeted review of related portfolios.

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

Performance Statistics

40.6%
Allow Rate
-27.4% vs TC avg
708
Total Applications
+23.8%
Interview Lift
1413
Avg Prosecution Days
Based on 623 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
20.5%
§102 Novelty
37.6%
§103 Obviousness
36.5%
§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
18900952 DOWNHOLE MEASUREMENT SYSTEM Final Rejection Schlumberger Technology Corporation
18513193 RECONFIGURABLE ANTENNAS AND ELECTRODES Final Rejection Halliburton Energy Services, Inc.
18940254 Battery Management Apparatus, Battery Management Method, and Vehicle Final Rejection LG Energy Solution, Ltd.
18247001 SYSTEM AND METHOD FOR SUPPRESSING LOW FREQUENCY MAGNETIC NOISE IN MAGNETO-RESISTIVE SENSORS Final Rejection CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
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
18664446 MAGNETORESISTIVE DEVICE AND METHOD FOR MANUFACTURING THE SAME, AND MAGNETIC SENSOR Final Rejection TDK Corporation
17948486 MAGNETIC SENSOR Final Rejection TDK CORPORATION
18620689 DETECTION DEVICE Final Rejection DENSO CORPORATION
18620073 HALL SENSOR WITH MAGNETIC CONCENTRATORS Final Rejection TEXAS INSTRUMENTS INCORPORATED
18193099 HALL SENSOR WITH MAGNETIC FLUX CONCENTRATOR Final Rejection TEXAS INSTRUMENTS INCORPORATED
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.
18948933 DEVICE AND METHOD FOR DETECTING A MAGNETIC FIELD USING THE SPIN ORBIT TORQUE EFFECT Non-Final OA Infineon Technologies AG
18883261 VEHICLE OPERATION WITH PHYSIOLOGICAL MONITORING Final Rejection Masimo Corporation
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
18033244 ELECTROMAGNETIC INSPECTION DEVICE CAPABLE OF CALIBRATION Non-Final OA POSCO Co., Ltd
19039229 ABSOLUTE ENCODER Non-Final OA MINEBEA MITSUMI Inc.
18625939 POSITION DETECTION DEVICE Non-Final OA Proterial, Ltd.
16935432 Systems and Methods for MOKE Metrology with Consistent MRAM Die Orientation Non-Final OA KLA Corporation
18475674 INDUCTIVE 360-DEGREE ANGLE SENSOR USING A RADIALLY-SEPARATED DUAL TARGET Final Rejection Allegro MicroSystems, LLC
18371883 HOLOGRAPHIC ELECTROMAGNETIC EXPLORATION METHOD BASED ON FULL-AREA OBSERVATION ALTERNATING COVERAGE INTEGRAL-DIFFERENCE MIXED STIMULUS Final Rejection Central South University

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Frequently Asked Questions

What is examiner David M Schindler's allowance rate?

40.6% of resolved applications examined by David M Schindler were allowed (623 resolved cases), compared with 83.6% across Art Unit 2858 over the last five years.

Does an interview help with examiner David M Schindler?

This examiner's interview lift is +23.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David M Schindler take to allow a patent?

Applications allowed by David M Schindler took 1,413 days on average from filing to allowance.

Which art unit does examiner David M Schindler work in?

David M Schindler examines applications in Art Unit 2858 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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