Prosecution Insights
Last updated: October 27, 2026

Michael P Mcfadden, USPTO Patent Examiner

Listed by the USPTO as MCFADDEN, MICHAEL P

Tech Center 2800 • Art Units: 2847 2848

This examiner grants 86% of resolved cases

Analysis

MCFADDEN, MICHAEL P is assigned to Tech Center 2800 and art unit 2847. The record contains 849 resolved cases, with an allowance rate of 86.5%. The median time to allowance is 813 days, combining a high allowance outcome with a timeline that is shorter than many extended prosecution records. The volume makes the pattern relevant for recurring filing and response decisions.

The interview lift is 19.6%, associating interviews with improved allowance outcomes. Practitioners may use that opportunity to address claim construction and technical distinctions directly, while preserving corresponding positions in the written record. The leading companies are Samsung Electro-Mechanics Co., Ltd., Panasonic Holdings Corporation, and Murata Manufacturing Co., Ltd. The leading firms are Morgan, Lewis & Bockius LLP (WA), Dickinson Wright PLLC - Washington DC, and Rimon PC - Panasonic Corporation.

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

Performance Statistics

86.5%
Allow Rate
+18.5% vs TC avg
873
Total Applications
+19.6%
Interview Lift
813
Avg Prosecution Days
Based on 849 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
30.2%
§102 Novelty
61.5%
§103 Obviousness
4.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18365677 Method for Synthesizing High-Rate Capability Cement-Carbon Supercapacitor Non-Final OA Massachusetts Institute of Technology
18997554 CAPACITOR Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18994306 ELECTROCHEMICAL CAPACITOR Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
19018830 METAL FOIL FOR PRODUCING ELECTRODE FOIL, METHOD FOR PRODUCING ELECTRODE FOIL FOR ELECTROLYTIC CAPACITOR USE, ELECTRODE FOIL FOR ELECTROLYTIC CAPACITOR USE, AND ELECTROLYTIC CAPACITOR Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18787685 Electrode, Electrolyte, Capacitive Element, Capacitor And Processes Of Manufacturing Or Modifying Or Impregnating An Electrode Non-Final OA TDK Electronics AG
19012682 REPAIR OR REFURBISHMENT OF LIMITED USE MEDICAL DEVICES Non-Final OA Medline Industries, LP
19021403 MULTILAYER CERAMIC ELECTRONIC COMPONENT AND MOUNTING STRUCTURE OF MULTILAYER CERAMIC ELECTRONIC COMPONENT Non-Final OA Murata Manufacturing Co., Ltd.
18913062 MULTILAYER CERAMIC CAPACITOR Final Rejection Murata Manufacturing Co., Ltd.
18907766 Multilayer Capacitor and Circuit Board Containing the Same Final Rejection KYOCERA AVX Components Corporation
18999486 MULTILAYER ELECTRONIC COMPONENT Non-Final OA SAMSUNG ELECTRO-MECHANICS CO., LTD.
18971661 TANTALUM CAPACITOR Non-Final OA SAMSUNG ELECTRO-MECHANICS CO., LTD.
18644372 MULTILAYER ELECTRONIC COMPONENT Final Rejection SAMSUNG ELECTRO-MECHANICS CO., LTD.
19030699 CAPACITOR WITH MULTIPLE ELEMENTS FOR MULTIPLE REPLACEMENT APPLICATIONS Non-Final OA RectorSeal, LLC
19003300 CAPACITOR WITH MULTIPLE ELEMENTS FOR MULTIPLE REPLACEMENT APPLICATIONS Non-Final OA RectorSeal, LLC
19030078 CAPACITOR WITH MULTIPLE ELEMENTS FOR MULTIPLE REPLACEMENT APPLICATIONS Non-Final OA HVAC South, LLC

Facing This Examiner?

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

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Michael P Mcfadden's allowance rate?

86.5% of resolved applications examined by Michael P Mcfadden were allowed (849 resolved cases), compared with 68.1% across Art Unit 2847 over the last five years.

Does an interview help with examiner Michael P Mcfadden?

This examiner's interview lift is +19.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Michael P Mcfadden take to allow a patent?

Applications allowed by Michael P Mcfadden took 813 days on average from filing to allowance.

Which art unit does examiner Michael P Mcfadden work in?

Michael P Mcfadden examines applications in Art Unit 2847 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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