Prosecution Insights
Last updated: October 02, 2026

Examiner: MITCHELL, NATHAN A

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

This examiner grants 73% of resolved cases

Analysis

Nathan A. Mitchell serves in Tech Center 3600 and is part of Art Unit 2409. He has a history of 965 resolved cases, which establishes a very strong statistical foundation. His allowance rate is 73.0 percent, showing a high frequency of successful outcomes for patent applications.

The interview lift for this examiner is 10.0 percent. This suggests that while the 73.0 percent allowance rate is already high, an interview can still provide a meaningful benefit to the applicant. Practitioners should consider whether an interview is necessary to resolve any remaining issues in Art Unit 2409.

The median days to allowance is 967. This timeline indicates an efficient path through the prosecution process. With 965 resolved cases, the data suggests that applicants can expect a consistent experience with both the 73.0 percent allowance rate and the 967-day median duration.

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

Performance Statistics

73.0%
Allow Rate
+21.0% vs TC avg
990
Total Applications
+10.0%
Interview Lift
967
Avg Prosecution Days
Based on 965 resolved cases, 2023–2026

Rejection Statute Breakdown

16.8%
§101 Eligibility
18.0%
§102 Novelty
46.3%
§103 Obviousness
11.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18752815 SAMPLE MEASURING APPARATUS Non-Final OA KONICA MINOLTA, INC.
19279476 Application of Geographical Spatial Data For Determining Applicable Tax Rules and Codes Non-Final OA Oracle International Corporation
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.
17521026 REDEMPTION NETWORK WITH TRANSACTION SEQUENCER Non-Final OA Blackhawk Network, Inc.
19216634 SYSTEMS AND METHODS FOR ITEM RECOGNITION Non-Final OA Maplebear Inc.
19060911 WEIGHT BUMP VALIDATION SYSTEM Non-Final OA Target Brands, Inc.
18844567 AUTOMATED STORAGE SYSTEM AND LOAD STORAGE METHOD Final Rejection Murata Machinery, Ltd.
18702269 METHOD FOR GROUP PAGING AND COMMUNICATION DEVICE Final Rejection BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
18627862 WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD Final Rejection 1FINITY Inc.
18728837 METHOD FOR STRUCTURE ELUCIDATION Non-Final OA Boehringer Ingelheim International GmbH
18685709 METHODS AND APPARATUS FOR DETERMINING ABOVE GROUND COVERAGE OF A MOBILE TELECOMMUNICATIONS NETWORK Final Rejection VODAFONE GROUP SERVICES LIMITED

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