Prosecution Insights
Last updated: October 02, 2026

Examiner: DUNCAN, MARC M

Tech Center 2100 • Art Units: 2100 2113 2139

This examiner grants 87% of resolved cases

Analysis

Marc M. Duncan is an examiner in Tech Center 2100, specifically Art Unit 2100. He has a record of 868 resolved cases. This extensive experience in computer-related technologies provides a reliable basis for analyzing his prosecution tendencies. His high volume of resolutions indicates a seasoned examiner who is well-versed in the specific challenges of Tech Center 2100.

The examiner maintains a very high allowance rate of 87.2 percent. This suggests a highly favorable environment for applicants. He also provides an interview lift of 7.6 percent. While this lift is more modest than some others, it still indicates that interviews provide a tangible benefit. The 7.6 percent increase in allowance probability suggests that direct communication can be a useful tool for refining claims and reaching a final agreement with the examiner.

The median days to allowance for his cases is 860. This is a relatively efficient timeline for the computer arts. The combination of an 87.2 percent allowance rate and an 860-day median suggests a very productive and predictable path to grant. Practitioners can expect a high likelihood of success within a reasonable timeframe. The 7.6 percent interview lift can be used as a strategic option to resolve any minor disagreements and maintain the 860-day efficiency.

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

Performance Statistics

87.2%
Allow Rate
+32.2% vs TC avg
885
Total Applications
+7.6%
Interview Lift
860
Avg Prosecution Days
Based on 868 resolved cases, 2023–2026

Rejection Statute Breakdown

15.9%
§101 Eligibility
24.5%
§102 Novelty
29.7%
§103 Obviousness
15.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19006153 CONTROL PLANE METHOD AND APPARATUS FOR PROVIDING ERASURE CODE PROTECTION ACROSS MULTIPLE STORAGE DEVICES Final Rejection SAMSUNG ELECTRONICS CO., LTD.
19220762 Node Anomaly Event Processing Method, Network Interface Card, and Storage Cluster Non-Final OA Huawei Technologies Co., Ltd.
18565945 AUTONOMOUS ADAPTATION OF SOFTWARE MONITORING OF REALTIME SYSTEMS Final Rejection Telefonaktiebolaget LM Ericsson (publ)
19312885 CONTEXT-SENSITIVE DEBUG REQUESTS FOR MEMORY ACCESS Non-Final OA TEXAS INSTRUMENTS INCORPORATED
19286713 PRIORITIZATION OF SUCCESSFUL READ RECOVERY OPERATIONS FOR A MEMORY DEVICE Non-Final OA Micron Technology, Inc.
19252521 TECHNIQUES FOR DETECTING A STATE OF A BUS Non-Final OA Micron Technology, Inc.
18542440 SECURE FIRMWARE UPDATE THROUGH A PREDEFINED SERVER Non-Final OA Micron Technology, Inc.
18658179 METHODS AND APPARATUSES FOR MANAGING MULTI-ZONE DATA CENTER FAILURES Final Rejection NAVER CORPORATION
19240081 PERIPHERAL COMPONENT INTERCONNECT BOARD PROGRAMMABLE LINK TRAINING AND STATUS STATE MACHINE AND STATE BRANCHING Non-Final OA VIAVI Solutions Inc.
18523988 SYSTEMS AND METHODS FOR ACCIDENT DETECTION AND NOTIFICATION Non-Final OA Dell Products, L.P.

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