Prosecution Insights
Last updated: October 01, 2026

Examiner: MUTCHLER, CHRISTOPHER JOHN

Tech Center 3700 • Art Units: 3700 3792 3796

This examiner grants 56% of resolved cases

Analysis

Examiner Christopher John Mutchler has resolved 68 cases in Art Unit 3700. Within Tech Center 3700, the examiner has an allowance rate of 55.9 percent. This 55.9 percent rate is derived from the 68 cases that have reached a final resolution, providing a benchmark for practitioners.

The median days to allowance is 1319. This 1319 day figure marks the middle point of the duration for successful prosecutions. Applicants should account for this 1319 day timeline when managing expectations for applications assigned to this examiner in Art Unit 3700.

The interview lift is 20.4 percent, which indicates an increase in the probability of allowance when an interview is conducted relative to the 55.9 percent base rate. This 20.4 percent lift suggests that interviews are associated with a higher likelihood of allowance. The 20.4 percent lift provides a statistical basis for engaging in direct communication with the examiner in Tech Center 3700.

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

Performance Statistics

55.9%
Allow Rate
-14.1% vs TC avg
107
Total Applications
+20.4%
Interview Lift
1319
Avg Prosecution Days
Based on 68 resolved cases, 2023–2026

Rejection Statute Breakdown

13.6%
§101 Eligibility
17.1%
§102 Novelty
53.2%
§103 Obviousness
12.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18893108 EPILEPSY THERAPY USING SPINAL CORD STIMULATION Non-Final OA Boston Scientific Neuromodulation Corporation
17729473 REMOTE TITRATION OF NEUROSTIMULATION THERAPY Non-Final OA Boston Scientific Neuromodulation Corporation
16994514 AXIAL MOTION DRIVE DEVICES, SYSTEMS, AND METHODS FOR A ROBOTIC MEDICAL SYSTEM Final Rejection Auris Health, Inc.
18909382 OPTICAL SYSTEM FOR OBTAINING SURGICAL INFORMATION Final Rejection Alcon Inc.
19048138 METHOD AND APPARATUS FOR APPLYING A RECTILINEAR BIPHASIC POWER WAVEFORM TO A LOAD Non-Final OA ZOLL Medical Corporation
19062359 PROGRAMMING AND PACING THERAPY OPTIMIZATION Non-Final OA Cardiac Pacemakers, Inc.
18626897 CONFORMAL ELECTRODE ARRAYS FOR ELECTROPHYSIOLOGIC RECORDING AND NEURAL STIMULATION WITHIN THE CEREBRAL VENTRICLES AND CEREBRAL VASCULATURE Final Rejection Precision Neuroscience Corporation
18981189 METHOD AND APPARATUS FOR DELIVERING TUMOR TREATING FIELDS TO A TORSO, AND METHOD FOR DETERMINING LOCATIONS FOR TRANSDUCERS TO DELIVER TUMOR TREATING FIELDS Non-Final OA Novocure GmbH
17880947 Electrode Assembly for Applying Tumor Treating Fields (TTFields) that Include a Sheet of Graphite Final Rejection Novocure GmbH
17825605 SWITCHED CAPACITOR-BASED ELECTRICAL STIMULATION DEVICE AND METHOD Final Rejection Korea University Research and Business Foundation
18551440 BRAIN ACTIVITY STATE DETERMINATION DEVICE AND BRAIN ACTIVITY STATE DETERMINATION PROGRAM Final Rejection KYOTO UNIVERSITY
18709043 SYSTEMS AND METHODS FOR MEASURING A RESPONSE OF A SUBJECT TO AN EVENT Final Rejection Oxford University Innovation Limited

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