Prosecution Insights
Last updated: October 02, 2026

Examiner: BOWERS, NATHAN ANDREW

Tech Center 3700 • Art Units: 1651 1656 1731 1759 1775 1796 1797 1798 1799 3783

This examiner grants 59% of resolved cases

Analysis

Nathan Andrew Bowers serves in Tech Center 3700 and Art Unit 1651. The examiner has 1374 resolved cases, which provides a substantial volume of data for analysis. The allowance rate for these cases is 59.4%. This 59.4% allowance rate indicates the frequency of grants for applications reaching a final disposition. The median days to allowance is 1291, providing a benchmark for the expected duration of the prosecution cycle in this unit.

The data shows an interview lift of 31.9%. This lift is a significant figure when compared to the 59.4% allowance rate, suggesting that direct communication is highly effective for this examiner. Practitioners should prioritize interviews as a strategy to improve the likelihood of a grant. With 1374 resolved cases, the examiner's history reflects a consistent benefit from verbal engagement. The 1291-day median to allowance highlights the importance of using every available tool to navigate the complexities of Art Unit 1651.

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

Performance Statistics

59.4%
Allow Rate
-10.6% vs TC avg
1,429
Total Applications
+31.9%
Interview Lift
1291
Avg Prosecution Days
Based on 1374 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
13.6%
§102 Novelty
53.9%
§103 Obviousness
18.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18491602 NUCLEIC ACID AMPLIFICATION SYSTEM AND METHOD OF NUCLEIC ACID AMPLIFICATION Final Rejection Samsung Electronics Co., Ltd.
17759959 MODULAR INCUBATION CHAMBER AND METHOD OF VIRUS INACTIVATION Final Rejection MERCK PATENT GMBH
18399270 CELL CULTURE FLASK Non-Final OA LIFE TECHNOLOGIES CORPORATION
17960237 System and Method of Electroporation Protocol Optimization Non-Final OA Life Technologies Corporation
18301463 DETERGENT COMPOSITIONS CONTAINING ENZYMES Non-Final OA The Procter & Gamble Company
18665676 CELL CULTURE SYSTEM AND CELL CULTURE METHOD Non-Final OA CANON KABUSHIKI KAISHA
18261267 FREEZING AND JACKETING GAS-PHASE BIOMOLECULES WITH AMORPHOUS ICE FOR ELECTRON MICROSCOPY Non-Final OA Wisconsin Alumni Research Foundation
18291660 CULTURE METHOD AND CULTURE DEVICE Non-Final OA AISIN CORPORATION
18027825 OPERATION METHOD AND OPERATION DEVICE FOR LIVING BODY Final Rejection NIKON CORPORATION
18280770 CLOSED-SYSTEM AUTOMATED SAMPLE SORTING SYSTEM Final Rejection Sony Group Corporation
18576839 INDOOR MICROBIOME MANAGEMENT Non-Final OA SIGNIFY HOLDING B.V.
18293618 UNIFORM CELL CULTURE SUBSTRATE FOR FIXED BED BIOREACTOR Non-Final OA CORNING INCORPORATED
18368281 CELL SEPARATION DEVICE AND METHOD FOR USING SAME Final Rejection CORNING INCORPORATED
17782591 SYSTEMS AND METHOD FOR CONTROLLING FLUID FLOW IN BIOREACTORS Non-Final OA CYTIVA SWEDEN AB
18370981 Cell Peeling Device and Cell Peeling Method Final Rejection Hitachi, Ltd.
18573665 NANOFIBER NETWORKS AS MEMBRANE MIMICS FOR IN VITRO APPLICATIONS Non-Final OA VIRGINIA TECH INTELLECTUAL PROPERTIES, INC.
17439154 METHODS OF OBTAINING LIPIDS FROM A MICROBIAL CELL COMPOSITION BY ENZYME AND PH SHOCK Final Rejection DSM IP Assets B.V.
18547408 MAGNETIC SHEAR BIOREACTOR APPARATUS AND METHODS Non-Final OA THE BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS SYSTEM
18546410 STRUCTURE AND METHODS FOR DETECTION OF SAMPLE ANALYTES Final Rejection Nautilus Subsidiary, Inc.
18704085 Articles with Photoiniferter Attached to Inorganic Oxide Surface and Polymers Prepared Therefrom Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18633107 ALGINATE HYDROGEL MICROSTRANDS FOR STROMAL CELL ENCAPSULATION, MAINTENANCE AND IMPLANTATION Non-Final OA The Research Foundation for the State University of New York
17810426 SINGLE-USE CELL CULTURE CONTAINER WITH ONE OR MORE IN-SITU ONLINE SENSORS Final Rejection Hoffmann-La Roche Inc.
18284133 TEMPERATURE-RESPONSIVE POLYMER SURFACE TREATMENT AGENT Final Rejection TOSOH CORPORATION
18515546 CELL CULTURE SURFACES AND CONTAINERS AND METHODS FOR MAKING AND USING THEM Non-Final OA SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
17799910 MICROTOPOGRAPHIES AND USES THEREOF Non-Final OA THE UNIVERSITY OF NOTTINGHAM
18720981 COMPOSITION COMPRISING A LIPASE AND A BOOSTER Non-Final OA Novozymes A/S
18542470 FLOW CELLS Non-Final OA ILLUMINA, INC.
17832628 SINGLE CELL WHOLE GENOME AMPLIFICATION VIA MICROPILLAR ARRAYS UNDER FLOW CONDITIONS Final Rejection CORNELL UNIVERSITY
18509500 METHOD AND APPARATUS FOR MONITORING A MONITOR MATERIAL OF A PROCESS Non-Final OA IMEC VZW
18110333 METHODS OF RECOVERING RARE EARTH METALS Final Rejection Saro Research LLC

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