Prosecution Insights
Last updated: October 27, 2026

David R Dunn, USPTO Patent Examiner

Listed by the USPTO as DUNN, DAVID R

Tech Center 3600 • Art Units: 3636

This examiner grants 29% of resolved cases

Analysis

DUNN, DAVID R is a USPTO patent examiner in tech center 3600 and art unit 3636. The profile includes 241 resolved cases, a 28.6% allowance rate, and a median of 1012 days to allowance. The interview lift is 30.1%, showing a positive association that may be especially relevant when the allowance result is limited.

The listed companies are Oshkosh Corporation, Skylotec GmbH, and Thompson Fabricating LLC. The listed firms are DORITY & MANNING, P.A., FOLEY & LARDNER LLP, and SCHWEGMAN LUNDBERG & WOESSNER, P.A. Practitioners may want to identify claim vulnerabilities early and use interviews to narrow disputed issues, while treating the smaller case record as directional.

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

Performance Statistics

28.6%
Allow Rate
-23.4% vs TC avg
252
Total Applications
+30.1%
Interview Lift
1012
Avg Prosecution Days
Based on 241 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
26.3%
§102 Novelty
47.8%
§103 Obviousness
23.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19201738 DETECTION SYSTEM FOR A LIFT DEVICE Non-Final OA Oshkosh Corporation

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Frequently Asked Questions

What is examiner David R Dunn's allowance rate?

28.6% of resolved applications examined by David R Dunn were allowed (241 resolved cases), compared with 64.2% across Art Unit 3636 over the last five years.

Does an interview help with examiner David R Dunn?

This examiner's interview lift is +30.1 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 R Dunn take to allow a patent?

Applications allowed by David R Dunn took 1,012 days on average from filing to allowance.

Which art unit does examiner David R Dunn work in?

David R Dunn examines applications in Art Unit 3636 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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