Prosecution Insights
Last updated: October 27, 2026

Bradley Duckworth, USPTO Patent Examiner

Listed by the USPTO as DUCKWORTH, BRADLEY

Tech Center 3600 • Art Units: 3632 3652 3654

This examiner grants 72% of resolved cases

Analysis

In Tech Center 3600 and Art Unit 3632, DUCKWORTH, BRADLEY has resolved 1395 cases. The allowance rate is 72.4%, the interview lift is 20.1%, and the median time to allowance is 783 days. The substantial portfolio shows a favorable allowance record, a measurable interview association, and a median timeline that allows applicants to plan around a defined prosecution path.

The leading companies are Swift Universal Optical Systems LLC, 3M Innovative Properties Company, and NIKON Corporation. The leading firms are MYERS BIGEL, P.A., Holland & Hart LLP, and KLARQUIST SPARKMAN, LLP. Practitioners may combine precise written responses with targeted interviews, particularly where claim construction or prior-art distinctions require direct clarification.

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

Performance Statistics

72.4%
Allow Rate
+20.4% vs TC avg
1,417
Total Applications
+20.1%
Interview Lift
783
Avg Prosecution Days
Based on 1395 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
26.7%
§102 Novelty
35.1%
§103 Obviousness
30.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18799422 KITS, ASSEMBLIES AND METHODS FOR SUSPENDING OBJECTS FROM CEILINGS Final Rejection 3M INNOVATIVE PROPERTIES COMPANY
18773022 BALANCED ACTIVE STABILIZERS Non-Final OA Nikon Corporation
19041431 MOUNTING ASSEMBLY FOR FLUID-TRANSFER PLUG Non-Final OA Microsoft Technology Licensing, LLC

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Frequently Asked Questions

What is examiner Bradley Duckworth's allowance rate?

72.4% of resolved applications examined by Bradley Duckworth were allowed (1,395 resolved cases), compared with 60.7% across Art Unit 3632 over the last five years.

Does an interview help with examiner Bradley Duckworth?

This examiner's interview lift is +20.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Bradley Duckworth take to allow a patent?

Applications allowed by Bradley Duckworth took 783 days on average from filing to allowance.

Which art unit does examiner Bradley Duckworth work in?

Bradley Duckworth examines applications in Art Unit 3632 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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