Prosecution Insights
Last updated: October 02, 2026

Examiner: BYRNES, DAVID R

Tech Center 1600 • Art Units: 1662

This examiner grants 78% of resolved cases

Analysis

David R. Byrnes is an examiner in Tech Center 1600 and Art Unit 1662. He has 242 resolved cases. His allowance rate is 78.1 percent. This 78.1 percent rate indicates the probability of success for applications in his docket in Art Unit 1662.

The interview lift for this examiner is 22.2 percent. This 22.2 percent lift suggests that interviews are an effective way to advance prosecution and increase the chances of a grant. For the 242 resolved cases, practitioners should consider the 22.2 percent lift as a tool for resolving rejections and moving the case toward a final grant.

The median days to allowance is 889. This 889 day figure represents the middle point of the time required to reach an allowance. The 889 day median indicates the typical duration of the prosecution cycle. Applicants can use the 78.1 percent allowance rate and the 889 day median to forecast their own prosecution timelines in Tech Center 1600.

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

Performance Statistics

78.1%
Allow Rate
+18.1% vs TC avg
285
Total Applications
+22.2%
Interview Lift
889
Avg Prosecution Days
Based on 242 resolved cases, 2023–2026

Rejection Statute Breakdown

4.8%
§101 Eligibility
16.9%
§102 Novelty
21.7%
§103 Obviousness
47.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17437586 ENHANCING DROUGHT, SALINITY AND COLD TOLERANCE IN PLANTS AND TREES Non-Final OA The Regents of the University of California
19042038 SOYBEAN VARIETY Non-Final OA SYNGENTA CROP PROTECTION AG
18940186 WHEAT VARIETY RNP16DC10044901 Final Rejection Syngenta Crop Protection AG
18822242 MADS BOX PROTEINS AND IMPROVING AGRONOMIC CHARACTERISTICS IN PLANTS Non-Final OA PIONEER HI-BRED INTERNATIONAL, INC.
17818060 SYSTEMS AND METHODS FOR CELLULAR REPROGRAMMING OF A PLANT CELL Non-Final OA PIONEER HI-BRED INTERNATIONAL, INC.
19179503 HYBRID PEPPERS 'E20B.30395' AND 'E20B.30396' Non-Final OA Enza Zaden Beheer B.V.
18778356 LETTUCE VARIETY 'E01G11679' Final Rejection Enza Zaden Beheer B.V.
18427141 RESISTANCE GENE AND LETTUCE PLANT RESISTANT TO DOWNY MILDEW Non-Final OA Enza Zaden Beheer B.V.
16412256 METHODS AND COMPOSITIONS FOR WATERMELON SEX EXPRESSION Final Rejection Seminis Vegetable Seeds, Inc.

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