Prosecution Insights
Last updated: October 01, 2026

Examiner: LOGSDON, CHARLES

Tech Center 1600 • Art Units: 1662

This examiner grants 72% of resolved cases

Analysis

Charles Logsdon has resolved 544 cases in Tech Center 1600 and Art Unit 1662. The examiner's allowance rate is 71.7 percent, and the median days to allowance is 1051. These metrics provide a baseline for evaluating prosecution success and duration. The 1051-day figure is a benchmark for practitioners to use when planning their timelines. The 71.7 percent rate indicates the likelihood of an application being allowed once it reaches a final resolution.

The interview lift of 11.2 percent indicates that engaging with the examiner can increase the probability of success relative to the 71.7 percent allowance rate. This lift suggests that interviews are a useful tool during prosecution. The 544 resolved cases provide the statistical foundation for these metrics. Practitioners should factor the 1051-day median pendency into their overall strategy when seeking an allowance. The 11.2 percent lift is a factor to consider when deciding whether to engage in verbal advocacy.

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

Performance Statistics

71.7%
Allow Rate
+11.7% vs TC avg
559
Total Applications
+11.2%
Interview Lift
1051
Avg Prosecution Days
Based on 544 resolved cases, 2023–2026

Rejection Statute Breakdown

7.7%
§101 Eligibility
14.5%
§102 Novelty
30.2%
§103 Obviousness
37.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18315503 TOMATO PLANT, TOMATO FRUIT, AND METHOD OF CULTIVATING TOMATO PLANT Final Rejection FUJIFILM CORPORATION
17581145 METHODS FOR IDENTIFICATION OF NOVEL GENES FOR MODULATING PLANT AGRONOMIC TRAITS Non-Final OA PIONEER HI-BRED INTERNATIONAL, INC.
19198339 METHODS AND COMPOSITIONS FOR SHORT STATURE PLANTS THROUGH MANIPULATION OF GIBBERELLIN METABOLISM TO INCREASE HARVESTABLE YIELD Non-Final OA Monsanto Technology LLC
18586232 METHODS AND COMPOSITIONS FOR SHORT STATURE PLANTS THROUGH MANIPULATION OF GIBBERELLIN METABOLISM TO INCREASE HARVESTABLE YIELD Final Rejection Monsanto Technology LLC
18631916 METHODS AND COMPOSITIONS FOR IMPROVING IMMUNOTHERAPY Non-Final OA Regents of the University of Minnesota
19182434 MODIFIED PLANTS CONTAINING COMBINATION OF APYRASE GENES AND METHOD FOR MAKING MODIFIED PLANTS WITH COMBINATION OF APYRASE GENES Non-Final OA BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
19225289 PEPPER HYBRID SVHA0087 Non-Final OA Seminis Vegetable Seeds, Inc.
18474696 ONION VARIETY SVNB3693 Final Rejection Seminis Vegetable Seeds, Inc.
18194271 COMPOSITIONS AND METHODS COMPRISING ENDOPHYTIC BACTERIUM FOR APPLICATION TO TARGET PLANTS TO INCREASE PLANT GROWTH, AND INCREASE RESISTANCE TO ABIOTIC AND BIOTIC STRESSORS Non-Final OA RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY

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