Prosecution Insights
Last updated: October 26, 2026

Christopher Conrad Busch, USPTO Patent Examiner

Listed by the USPTO as BUSCH, CHRISTOPHER CONRAD

Tech Center 3600 • Art Units: 3621 3681 3682

This examiner grants 29% of resolved cases

Analysis

BUSCH, CHRISTOPHER CONRAD is assigned to technology center 3600 and art unit 3621. The record includes 362 resolved cases, an allowance rate of 28.7%, an interview lift of 20.8%, and a median of 1437 days to allowance. The allowance figure indicates a challenging prosecution setting, while the timing figure supports early planning for continued examination, continuation practice, or appeal where appropriate.

The listed companies are Capital One Services LLC, NEC Corporation, and Worldpay LLC. The listed firms are AMSTER, ROTHSTEIN & EBENSTEIN LLP, BakerHostetler, and BIRCH STEWART KOLASCH & BIRCH, LLP. Counsel should prepare detailed claim positions and consider interviews as a supplement to written responses when they can narrow a specific dispute.

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

Performance Statistics

28.7%
Allow Rate
-23.3% vs TC avg
402
Total Applications
+20.8%
Interview Lift
1437
Avg Prosecution Days
Based on 362 resolved cases, 2023–2026

Rejection Statute Breakdown

42.0%
§101 Eligibility
7.1%
§102 Novelty
38.7%
§103 Obviousness
7.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18626673 SYSTEMS AND METHODS FOR TARGETING BID AND POSITION FOR A KEYWORD Final Rejection Capital One Services, LLC
19118049 NEGOTIATION DEVICE, NEGOTIATION METHOD, AND RECORDING MEDIUM Final Rejection NEC Corporation
19226737 Systems and Methods for the Display of Corresponding Content for User-Requested Vehicle Services Using Distributed Electronic Devices Non-Final OA Uber Technologies, Inc.

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Frequently Asked Questions

What is examiner Christopher Conrad Busch's allowance rate?

28.7% of resolved applications examined by Christopher Conrad Busch were allowed (362 resolved cases), compared with 25.4% across Art Unit 3621 over the last five years.

Does an interview help with examiner Christopher Conrad Busch?

This examiner's interview lift is +20.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christopher Conrad Busch take to allow a patent?

Applications allowed by Christopher Conrad Busch took 1,437 days on average from filing to allowance.

Which art unit does examiner Christopher Conrad Busch work in?

Christopher Conrad Busch examines applications in Art Unit 3621 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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