Prosecution Insights
Last updated: October 02, 2026

Examiner: BUTLER, SARAI E

Tech Center 2100 • Art Units: 2100 2114

This examiner grants 88% of resolved cases

Analysis

Sarai E. Butler has 1156 resolved cases in Tech Center 2100. The allowance rate is 88.1 percent. The median days to allowance is 860. These 1156 resolved cases are the basis for the metrics in Art Unit 2100. The 860-day median provides a timeline for the cases resolved by this examiner and serves as a benchmark for prosecution duration.

The interview lift is 10.7 percent. This metric indicates the change in allowance probability when an interview is conducted. Given the 88.1 percent allowance rate, the 10.7 percent lift is a factor for practitioners to consider. In Tech Center 2100, the lift is a data point for strategy. The 1156 resolved cases reflect the examiner's experience with various applications. The 860-day median pendency is a reference for future filings and for planning examiner interactions.

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

Performance Statistics

88.1%
Allow Rate
+33.1% vs TC avg
1,177
Total Applications
+10.7%
Interview Lift
860
Avg Prosecution Days
Based on 1156 resolved cases, 2023–2026

Rejection Statute Breakdown

4.3%
§101 Eligibility
20.2%
§102 Novelty
54.5%
§103 Obviousness
9.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18773721 OPERATION METHOD OF MEMORY DEVICE, OPERATION METHOD OF CONTROLLER CONFIGURED TO CONTROL MEMORY DEVICE, AND OPERATION METHOD OF STORAGE DEVICE INCLUDING MEMORY DEVICE AND CONTROLLER Non-Final OA Samsung Electronics Co., Ltd.
18230387 NETWORK INTERFACE DEVICE FAILOVER Non-Final OA Intel Corporation
18840941 FAILURE INFORMATION DETECTING APPARATUS, FAILURE INFORMATION DETECTING METHOD, AND FAILURE INFORMATION DETECTING PROGRAM Final Rejection NTT, Inc.
18355808 I/O FAILOVER USING ADAPTER FIRMWARE Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
19260539 SYSTEMS AND METHODS FOR CONNECTION SWITCH AUTOMATION Non-Final OA Truist Bank
19289678 PARTIAL DATABASE RESTORATION Non-Final OA Rubrik, Inc.
19072274 ENHANCED ISSUE STACK ANALYSIS Final Rejection Lemon Inc.
19223277 INSTANT AND IMMEDIATELY CONSISTENT SNAPSHOT RESTORE FROM A CLIENT PERSPECTIVE Non-Final OA NetApp, Inc.
18743343 Meta Data Protection against Unexpected Power Loss in a Memory System Non-Final OA Micron Technology, Inc.
19225218 System and Method for Matching Multiple Featureless Images Across a Time Series for Outage Prediction and Prevention Non-Final OA Bank Of America Corporation
19288563 METHOD FOR DETECTING AND REPORTING AN OPERATION ERROR IN AN IN-VITRO DIAGNOSTIC SYSTEM AND AN IN-VITRO DIAGNOSTIC SYSTEM Non-Final OA Roche Diagnostics Operations, Inc.
19284193 ITERATIVE CODE INTERPRETER USING LLMS Non-Final OA Notion Labs, Inc.
19262117 MEMORY MODULE AND METHOD FOR TESTING MEMORY MODULE Non-Final OA NANYA TECHNOLOGY CORPORATION
19232611 Processing Tasks in a Processing System Non-Final OA Imagination Technologies Limited

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