Prosecution Insights
Last updated: October 02, 2026

Examiner: BOWERS, ERIN M

Tech Center 1600 • Art Units: 1653 1675 1681 1693

This examiner grants 55% of resolved cases

Analysis

Erin M. Bowers handles cases in Tech Center 1600 and Art Unit 1653, where she has 550 resolved cases. Her allowance rate is 54.7 percent, indicating a competitive examination environment where a portion of the applications result in a grant. The median days to allowance is 1290, suggesting a prolonged prosecution period for those seeking a patent.

Practitioners can improve their chances of success by utilizing examiner interviews, which provide an interview lift of 10.6 percent. This lift is a meaningful increase over the 54.7 percent baseline allowance rate, suggesting that direct communication is an effective strategy for resolving rejections in these 550 resolved cases. The 1290 median days to allowance should be factored into the overall patent strategy.

In Art Unit 1653, the 54.7 percent allowance rate and the 10.6 percent interview lift highlight the importance of active engagement. Because the median days to allowance is 1290, applicants must be prepared for a lengthy commitment to reach a resolution. The data from the 550 resolved cases suggests that while the path is long, interviews offer a statistical advantage for securing an allowance.

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

Performance Statistics

54.7%
Allow Rate
-5.3% vs TC avg
614
Total Applications
+10.6%
Interview Lift
1290
Avg Prosecution Days
Based on 550 resolved cases, 2023–2026

Rejection Statute Breakdown

6.4%
§101 Eligibility
10.0%
§102 Novelty
46.3%
§103 Obviousness
26.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18611181 TWO COMBINED MUTATIONS THAT INTRODUCE THE SECOND ENTRY PATHWAY TO SYNTHESIZED LIGNIN FROM TYROSINE IN PLANTS Non-Final OA Wisconsin Alumni Research Foundation
16821807 NOVEL EUKARYOTIC CELL-FREE PROTEIN EXPRESSION SYSTEM THAT DOES NOT REQUIRE AN ARTIFICIAL ENERGY REGENERATION SYSTEM Final Rejection Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
18654695 PROCASPASE-CLEAVING PROTEASES AND USES THEREOF Non-Final OA President and Fellows of Harvard College
18667369 STABLE THERMOLYSIN HYDROGEL Final Rejection SMITH & NEPHEW, INC.
17057939 AGROCHEMICAL FORMULATIONS CONTAINING A POLYMERIC CRYSTAL GROWTH INHIBITOR Non-Final OA Bayer Aktiengesellschaft
18593314 CONJUGATES AND METHODS OF USE THEREOF Non-Final OA Regents of the University of Minnesota
18626999 COMPOSITIONS AND METHODS FOR TREATING VASCULAR DISEASE Non-Final OA CASE WESTERN RESERVE UNIVERSITY
18597113 DELIGNIFIED BAMBOO SCAFFOLDS INCLUDING IMMOBILIZED ENZYMES AND METHODS FOR FORMING AND USING SAME Non-Final OA UNIVERSITY OF SOUTH CAROLINA
18599502 TARGETS AND BIOMARKERS FOR TUMOR MICROENVIRONMENTS Non-Final OA The Trustees of Indiana University
18599563 Deep Eutectic Solvent Stabilized Enzyme-Based Electrochemical Assay Probes for Use in the Field Non-Final OA The Government of the United States of America, as represented by the Secretary of the Navy
17920561 METHOD OF REDUCING AND RECYCLING OXIDIZED FLAVIN COFACTORS Final Rejection Oxford University Innovation Limited
18700134 ENDOGLUCANASE WITH IMPROVED STABILITY Non-Final OA Novozymes A/S
18355437 Distributed Ribonucleic Acid Manufacturing Via Enzymatic Reaction And Separation Non-Final OA Drexel University
18307144 SECRETION OF HEME-CONTAINING POLYPEPTIDES Final Rejection Impossible Foods Inc.
18658276 EXTRAMAMMARY PAGET DISEASE BIOMARKERS AND USES THEREOF Non-Final OA THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY-ACADEMIC COOPERATION FOUNDATION
18655005 COMPLEMENTATION-BASED TAGS AND REPORTERS FOR DUAL-MODALITY LABELING Non-Final OA Promega Corporation
18312117 SPLIT MODIFIED DEHALOGENASE VARIANTS Non-Final OA Promega Corporation

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