Prosecution Insights
Last updated: August 18, 2026

Examiner: BOWERS, NATHAN ANDREW

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

This examiner grants 59% of resolved cases

Performance Statistics

59.2%
Allow Rate
-10.8% vs TC avg
1,424
Total Applications
+32.1%
Interview Lift
1291
Avg Prosecution Days
Based on 1369 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
13.5%
§102 Novelty
53.9%
§103 Obviousness
18.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17439154 METHODS OF OBTAINING LIPIDS FROM A MICROBIAL CELL COMPOSITION BY ENZYME AND PH SHOCK Final Rejection DSM IP Assets B.V.
18491602 NUCLEIC ACID AMPLIFICATION SYSTEM AND METHOD OF NUCLEIC ACID AMPLIFICATION Non-Final OA Samsung Electronics Co., Ltd.
18301463 DETERGENT COMPOSITIONS CONTAINING ENZYMES Non-Final OA The Procter & Gamble Company
18665676 CELL CULTURE SYSTEM AND CELL CULTURE METHOD Non-Final OA CANON MEDICAL SYSTEMS CORPORATION
18027825 OPERATION METHOD AND OPERATION DEVICE FOR LIVING BODY Final Rejection NIKON CORPORATION
17258940 CELL CULTURE SHEET Non-Final OA NIPPON SHOKUBAI CO., LTD.
17782591 SYSTEMS AND METHOD FOR CONTROLLING FLUID FLOW IN BIOREACTORS Final Rejection CYTIVA SWEDEN AB
18370981 Cell Peeling Device and Cell Peeling Method Final Rejection Hitachi, Ltd.
18515546 CELL CULTURE SURFACES AND CONTAINERS AND METHODS FOR MAKING AND USING THEM Non-Final OA SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
18368281 CELL SEPARATION DEVICE AND METHOD FOR USING SAME Final Rejection CORNING INCORPORATED
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
17759959 MODULAR INCUBATION CHAMBER AND METHOD OF VIRUS INACTIVATION Final Rejection MERCK PATENT GMBH
18542470 FLOW CELLS Non-Final OA ILLUMINA, INC.
17810426 SINGLE-USE CELL CULTURE CONTAINER WITH ONE OR MORE IN-SITU ONLINE SENSORS Non-Final OA Hoffmann-La Roche Inc.
18284133 TEMPERATURE-RESPONSIVE POLYMER SURFACE TREATMENT AGENT Final Rejection TOSOH CORPORATION
18633107 ALGINATE HYDROGEL MICROSTRANDS FOR STROMAL CELL ENCAPSULATION, MAINTENANCE AND IMPLANTATION Non-Final OA The Research Foundation for the State University of New York
18044522 FLUIDIZED CHAIN ELONGATION MEMBRANE BIOREACTOR FOR PRODUCTION AND RECOVERY OF CARBOXYLATES FROM ORGANIC BIOMASS Non-Final OA King Abdullah University of Science and Technology
18033973 CELL CRYOPRESERVATION HOLLOW FIBER MEMBRANE Final Rejection TOYOBO CO., LTD.
17832628 SINGLE CELL WHOLE GENOME AMPLIFICATION VIA MICROPILLAR ARRAYS UNDER FLOW CONDITIONS Final Rejection CORNELL UNIVERSITY
18261267 FREEZING AND JACKETING GAS-PHASE BIOMOLECULES WITH AMORPHOUS ICE FOR ELECTRON MICROSCOPY Final Rejection Wisconsin Alumni Research Foundation
18399270 CELL CULTURE FLASK Non-Final OA LIFE TECHNOLOGIES CORPORATION
18654163 APPARATUS FOR TRANSPORTING AND INSTALLING A BIOPROCESSING VESSEL Non-Final OA Global Life Sciences Solutions USA LLC
18553401 APPARATUS AND METHOD FOR REMOVING PROTEINS TAKEN UP IN A CARRIER LIQUID Final Rejection LUXEMBOURG INSTITUTE OF SCIENCE AND TECHNOLOGY

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