Prosecution Insights
Last updated: October 27, 2026

Nathan A Mitchell, USPTO Patent Examiner

Listed by the USPTO as MITCHELL, NATHAN A

Tech Center 3600 • Art Units: 2409 2617 2641 2646 3627 3687

This examiner grants 73% of resolved cases

Analysis

MITCHELL, NATHAN A works in tech center 3600 and art unit 2409. The profile covers 971 resolved cases and an allowance rate of 72.9%. The median time to allowance is 967 days. Interview lift is 10.0%, showing a modest interview-associated change relative to the overall allowance outcome.

The listed companies are Boehringer Ingelheim International GmbH, Konica Minolta Inc., and Kia Corporation. The listed firms are Alleman Hall LLP, Calderon Safran & Wright P.C., and Clifford Chi, A.P.C. The large record offers practitioners a substantial basis for evaluating allowance expectations, while the median duration supports planning around prosecution timing.

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

Performance Statistics

72.9%
Allow Rate
+20.9% vs TC avg
1,002
Total Applications
+10.0%
Interview Lift
967
Avg Prosecution Days
Based on 971 resolved cases, 2023–2026

Rejection Statute Breakdown

16.5%
§101 Eligibility
18.3%
§102 Novelty
46.2%
§103 Obviousness
11.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19279476 Application of Geographical Spatial Data For Determining Applicable Tax Rules and Codes Non-Final OA Oracle International Corporation
19163119 Systems, Media, and Methods for Identifying and Correcting Retailer Phantom Inventory Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18728837 METHOD FOR STRUCTURE ELUCIDATION Non-Final OA Boehringer Ingelheim International GmbH
18752815 SAMPLE MEASURING APPARATUS Non-Final OA KONICA MINOLTA, INC.
19240752 DIGITAL TWIN-BASED AUTOMATED LOGISTICS FACILITY OPERATION SYSTEM AND METHOD Final Rejection Kia Corporation
19060911 WEIGHT BUMP VALIDATION SYSTEM Non-Final OA Target Brands, Inc.
18880615 METHOD FOR TRACKING TRANSFER(S) OF A MATERIAL AND A PRODUCT CONTAINING SAID MATERIAL IN A DECENTRAL NETWORK Non-Final OA BASF SE
18722321 ASSESSING PERFORMANCE OF A SITE COMPRISING A SOLAR FIELD SYSTEM Non-Final OA TOTALENERGIES ONETECH
18885042 SUPPLY CHAIN NETWORK CREATION APPARATUS, SUPPLY CHAIN NETWORK CREATION METHOD AND PROGRAM Non-Final OA Hitachi, Ltd.

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Frequently Asked Questions

What is examiner Nathan A Mitchell's allowance rate?

72.9% of resolved applications examined by Nathan A Mitchell were allowed (971 resolved cases), compared with 84.9% across Art Unit 2409 over the last five years.

Does an interview help with examiner Nathan A Mitchell?

This examiner's interview lift is +10.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Nathan A Mitchell take to allow a patent?

Applications allowed by Nathan A Mitchell took 967 days on average from filing to allowance.

Which art unit does examiner Nathan A Mitchell work in?

Nathan A Mitchell examines applications in Art Unit 2409 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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