Prosecution Insights
Last updated: October 02, 2026

Examiner: LARSON, JOHN MICHAEL

Tech Center 3700 • Art Units: 2834 3723

This examiner grants 57% of resolved cases

Analysis

John Michael Larson examines applications in Art Unit 2834 of Tech Center 3700. The data reflects 7 resolved cases with an allowance rate of 57.1 percent. This rate indicates the probability of success based on the sample size. The median days to allowance for these cases is 994, providing a benchmark for prosecution timing.

The interview lift is 64.3 percent, suggesting that interviews are effective for this examiner. This lift is a factor to consider against the 57.1 percent baseline allowance rate. Practitioners should consider interviews to improve the chances of a grant within the 994-day timeframe. With 7 resolved cases, these statistics are based on the volume of work in Tech Center 3700.

The 57.1 percent allowance rate and 64.3 percent interview lift may change as more cases are resolved. The 994-day median to allowance provides a starting point for managing applicant expectations. These metrics from Art Unit 2834 offer an initial view of the examiner's performance based on the 7 resolved cases.

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

Performance Statistics

57.1%
Allow Rate
-12.9% vs TC avg
24
Total Applications
+64.3%
Interview Lift
994
Avg Prosecution Days
Based on 7 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
19.1%
§102 Novelty
61.7%
§103 Obviousness
17.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18822523 SEMICONDUCTOR WAFER GRINDING WHEEL AND SEMICONDUCTOR WAFER POLISHING APPARATUS INCLUDING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18434492 SUBSTRATE POLISHING DEVICE, SUBSTRATE PROCESSING SYSTEM AND POLISHING METHOD USING THE SAME Final Rejection Samsung Electronics Co., Ltd.
18731970 SUCTION DEVICE HAVING A COOLING DUCT AND METHOD FOR OPERAT-ING THE SUCTION DEVICE Non-Final OA Hilti Aktiengesellschaft
18709216 NONWOVEN ABRASIVE ARTICLES AND METHODS OF MAKING THE SAME Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18698710 SURFACE CONDITIONING ARTICLE AND METHODS OF MAKING AND USING THE SAME Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18716865 SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD Non-Final OA EBARA CORPORATION

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