Prosecution Insights
Last updated: October 01, 2026

Examiner: MACKALL, LARRY T

Tech Center 2100 • Art Units: 2131 2139 2189

This examiner grants 85% of resolved cases

Analysis

Larry T. Mackall is an examiner in Tech Center 2100 and Art Unit 2131. The data includes 798 resolved cases for this examiner. Within these 798 resolved cases, the allowance rate is 85.2 percent. This 85.2 percent rate suggests a high probability of securing a patent grant. The median days to allowance for this examiner is 961, which represents the typical time to reach a successful conclusion in Art Unit 2131.

The interview lift is 8.0 percent. This 8.0 percent lift indicates that cases with an interview are more likely to be allowed. For practitioners, this positive lift suggests that an interview is a useful tool for advancing prosecution in Tech Center 2100. The 961 median days to allowance provides a clear timeline for applicants to follow when planning their strategy.

With 798 resolved cases, the examiner's performance is well-defined. The 85.2 percent allowance rate and the 8.0 percent interview lift are critical metrics for developing a prosecution plan. Practitioners can use the 961-day median to inform their clients about the expected duration of the process. These figures from Art Unit 2131 offer a data-grounded understanding of the examiner's tendencies.

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

Performance Statistics

85.2%
Allow Rate
+30.2% vs TC avg
823
Total Applications
+8.0%
Interview Lift
961
Avg Prosecution Days
Based on 798 resolved cases, 2023–2026

Rejection Statute Breakdown

7.6%
§101 Eligibility
23.7%
§102 Novelty
54.7%
§103 Obviousness
8.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19004210 SSD VIRTUALIZATION WITH THIN PROVISIONING Final Rejection Samsung Electronics Co., Ltd.
18741764 SYSTEMS, METHODS, AND APPARATUS FOR A CACHE DIRECTORY FOR A MULTI-LEVEL CACHE HIERARCHY Final Rejection Samsung Electronics Co., Ltd.
18953014 MANAGING PROGRAM EXECUTION IN A COMPUTATIONAL STORAGE DEVICE Non-Final OA Yangtze Memory Technologies Co., Ltd.
19035930 METHOD OF REDUCING CACHE THRASHING IN A PROCESSING SYSTEM AND RELATED PROCESSING SYSTEM Final Rejection MEDIATEK INC.
18915048 METHOD AND SYSTEM FOR BUFFER ALLOCATION MANAGEMENT FOR A MEMORY DEVICE Non-Final OA Kioxia Corporation
19284525 WEAR LEVELING REPAIR IN A MEMORY DEVICE Non-Final OA Micron Technology, Inc.
19065258 SEQUENTIAL AND RANDOM READ OPERATIONS IN MEMORY SYSTEMS Non-Final OA Micron Technology, Inc.
19023089 REMOTE DIRECT MEMORY ACCESS IN MULTI-TIER MEMORY SYSTEMS Final Rejection Micron Technology, Inc.
19012074 LOSSY COMPRESSION IN MEMORY Non-Final OA Micron Technology, Inc.
18795841 ORCHESTRATING QUERIES BASED ON COMPUTING RESOURCE TYPE Non-Final OA Cisco Technology, Inc.

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