Prosecution Insights
Last updated: October 27, 2026

David M Upchurch, USPTO Patent Examiner

Listed by the USPTO as UPCHURCH, DAVID M

Tech Center 3600 • Art Units: 1742 2872 3677

This examiner grants 74% of resolved cases

Analysis

UPCHURCH, DAVID M has 1041 resolved cases in tech center 3600 and art unit 1742. The allowance rate is 73.7%, the interview lift is 18.0%, and the median time to allowance is 765 days. The volume provides a broad record for evaluating prosecution patterns. Allowance occurs in a substantial majority of resolved cases, while the interview association is more limited. The median indicates a path to allowance of roughly two years.

The principal companies are YKK Corporation, Velcro Ip Holdings LLC, and IFP Energies nouvelles. The leading firms are Meunier Carlin & Curfman LLC, BLANK ROME LLP, and CR MILES, P.C. Practitioners may prioritize clear initial claim scope and targeted interviews, with the timing profile supporting active docket management rather than assuming immediate resolution.

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

Performance Statistics

73.7%
Allow Rate
+21.7% vs TC avg
1,072
Total Applications
+18.0%
Interview Lift
765
Avg Prosecution Days
Based on 1041 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
49.3%
§102 Novelty
23.5%
§103 Obviousness
26.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18876227 SYSTEM FOR LOCKING AND UNLOCKING AN ELONGATE ELEMENT WITH SLEEVE AND TWO SECURING ELEMENTS, ONE AT EACH END OF THE SLEEVE Non-Final OA IFP Energies nouvelles
18598571 PERSONAL IDENTIFICATION ASSEMBLY INCLUDING A HOLDER Final Rejection State Farm Mutual Automobile Insurance Company
18449916 CLIP FASTENER Non-Final OA VALEO SYSTEMES THERMIQUES
18862212 Retention Apparatus for Retaining an Add-on Part to a Component for a Motor Vehicle and Arrangement Final Rejection Bayerische Motoren Werke Aktiengesellschaft
19209404 SLIDER FOR CONCEALED SLIDE FASTENER Non-Final OA YKK Corporation
18998940 ELEMENT MEMBER FOR SLIDE FASTENER AND PRODUCT WITH SLIDE FASTENER Non-Final OA YKK CORPORATION
18909826 BUCKLE PART AND METHOD OF PRODUCING THE SAME Non-Final OA YKK CORPORATION
18411148 FASTENING MEMBER Final Rejection AOYAMA SEISAKUSHO CO., LTD.

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Frequently Asked Questions

What is examiner David M Upchurch's allowance rate?

73.7% of resolved applications examined by David M Upchurch were allowed (1,041 resolved cases), compared with 58.3% across Art Unit 1742 over the last five years.

Does an interview help with examiner David M Upchurch?

This examiner's interview lift is +18.0 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 Upchurch take to allow a patent?

Applications allowed by David M Upchurch took 765 days on average from filing to allowance.

Which art unit does examiner David M Upchurch work in?

David M Upchurch examines applications in Art Unit 1742 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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