Prosecution Insights
Last updated: October 26, 2026

Brandon M Duck, USPTO Patent Examiner

Listed by the USPTO as DUCK, BRANDON M

Tech Center 3600 • Art Units: 3672 3691 3693 3698

This examiner grants 63% of resolved cases

Analysis

In Tech Center 3600 and Art Unit 3672, DUCK, BRANDON M has resolved 350 cases. The allowance rate is 63.1%, with an interview lift of 18.2%. The median time to allowance is 895 days. The record shows a moderate allowance result, a measurable but limited interview association, and a median timeline that supports timely, structured prosecution management.

The leading companies are Wells Fargo Bank, N.A., The Toronto-dominion Bank, and JPMorgan Chase Bank, N.A. The leading firms are Knobbe, Martens, Olson & Bear, LLP, Own Innovation, and AMPACC Law Group, PLLC. Counsel may emphasize focused claim amendments and use interviews to clarify financial or technical distinctions that are difficult to convey solely through written argument.

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

Performance Statistics

63.1%
Allow Rate
+11.1% vs TC avg
394
Total Applications
+18.2%
Interview Lift
895
Avg Prosecution Days
Based on 350 resolved cases, 2023–2026

Rejection Statute Breakdown

43.8%
§101 Eligibility
10.5%
§102 Novelty
25.5%
§103 Obviousness
15.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18611414 SYSTEMS AND METHODS FOR TIERED-BASED INFORMATION PROVISION Non-Final OA Wells Fargo Bank, N.A.
18585949 FEDERATED TRUST USING THIRD PARTY Non-Final OA Wells Fargo Bank, N.A.
19086999 EFFICIENT RESOURCE ALLOCATION IN LATENCY FLOOR IMPLEMENTATION Non-Final OA Chicago Mercantile Exchange Inc.

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Frequently Asked Questions

What is examiner Brandon M Duck's allowance rate?

63.1% of resolved applications examined by Brandon M Duck were allowed (350 resolved cases), compared with 65.2% across Art Unit 3672 over the last five years.

Does an interview help with examiner Brandon M Duck?

This examiner's interview lift is +18.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brandon M Duck take to allow a patent?

Applications allowed by Brandon M Duck took 895 days on average from filing to allowance.

Which art unit does examiner Brandon M Duck work in?

Brandon M Duck examines applications in Art Unit 3672 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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