Prosecution Insights
Last updated: October 02, 2026

Examiner: ROSSITER, SEAN D

Tech Center 2100 • Art Units: 2133 2186

This examiner grants 89% of resolved cases

Analysis

Sean D. Rossiter works in Tech Center 2100 and Art Unit 2133. He has 674 resolved cases, with a high allowance rate of 88.9 percent. This suggests that the vast majority of applications he handles result in a patent grant.

The interview lift is 8.9 percent, which provides a modest but measurable benefit to applicants. The median days to allowance is 874, indicating a relatively fast and efficient prosecution process. These 674 resolved cases offer a robust data set for evaluating the examiner's performance in Tech Center 2100.

Practitioners should be encouraged by the 88.9 percent allowance rate and the 874 day median pendency. While the 8.9 percent interview lift is not as high as some others, it still represents a useful tool for resolving outstanding issues. The data from 674 cases confirms a consistent pattern of high allowance and efficient processing in Art Unit 2133.

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

Performance Statistics

88.9%
Allow Rate
+33.9% vs TC avg
676
Total Applications
+8.9%
Interview Lift
874
Avg Prosecution Days
Based on 674 resolved cases, 2023–2026

Rejection Statute Breakdown

3.4%
§101 Eligibility
33.8%
§102 Novelty
41.6%
§103 Obviousness
16.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19001725 MEMORY DEVICE, SYSTEM-ON-CHIP CONFIGURED TO CONTROL MEMORY DEVICE, AND ELECTRONIC DEVICE INCLUDING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
19208316 UTILIZING INCREMENTAL PARITY TO OPTIMIZE FLASH MEMORY STORAGE Non-Final OA PURE STORAGE, INC.
19060360 MEMORY DEVICE WITH DUAL LOGIC INTERFACES AND INTERNAL DATA MOVER Final Rejection Micron Technology, Inc.

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