Prosecution Insights
Last updated: October 26, 2026

Christopher John Mutchler, USPTO Patent Examiner

Listed by the USPTO as MUTCHLER, CHRISTOPHER JOHN

Tech Center 3700 • Art Units: 3700 3792 3796

This examiner grants 56% of resolved cases

Analysis

MUTCHLER, CHRISTOPHER JOHN is assigned to Tech Center 3700 and art unit 3700. The record covers 70 resolved cases and shows a 55.7% allowance rate. Median time to allowance is 1332 days. The reported interview lift is 22.7%. The limited case volume makes application-specific review especially important when using these figures for planning.

The listed companies are Boston Scientific Corporation, Flint Hills Scientific LLC, and Stryker Corporation. The principal firms are FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER, WOOD, PHILLIPS, KATZ, CLARK & MORTIMER, and CANTOR COLBURN LLP. Practitioners should prepare for a longer prosecution path and use interviews where they address concrete issues.

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

Performance Statistics

55.7%
Allow Rate
-14.3% vs TC avg
120
Total Applications
+22.7%
Interview Lift
1332
Avg Prosecution Days
Based on 70 resolved cases, 2023–2026

Rejection Statute Breakdown

14.5%
§101 Eligibility
18.1%
§102 Novelty
51.7%
§103 Obviousness
12.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18761420 Technique For Supporting Users In An Operating Room By Triggering Feedback Regarding Medical Instruments Non-Final OA Stryker European Operations Limited
16994514 AXIAL MOTION DRIVE DEVICES, SYSTEMS, AND METHODS FOR A ROBOTIC MEDICAL SYSTEM Final Rejection Auris Health, Inc.
19048138 METHOD AND APPARATUS FOR APPLYING A RECTILINEAR BIPHASIC POWER WAVEFORM TO A LOAD Non-Final OA ZOLL Medical Corporation
18971375 ULTRAVIOLET B LIGHTING SYSTEM AND METHOD Non-Final OA KORRUS, INC.
18551440 BRAIN ACTIVITY STATE DETERMINATION DEVICE AND BRAIN ACTIVITY STATE DETERMINATION PROGRAM Final Rejection KYOTO UNIVERSITY

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Frequently Asked Questions

What is examiner Christopher John Mutchler's allowance rate?

55.7% of resolved applications examined by Christopher John Mutchler were allowed (70 resolved cases), compared with 66.1% across Art Unit 3700 over the last five years.

Does an interview help with examiner Christopher John Mutchler?

This examiner's interview lift is +22.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christopher John Mutchler take to allow a patent?

Applications allowed by Christopher John Mutchler took 1,332 days on average from filing to allowance.

Which art unit does examiner Christopher John Mutchler work in?

Christopher John Mutchler examines applications in Art Unit 3700 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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