Prosecution Insights
Last updated: April 19, 2026

Examiner: BEISNER, WILLIAM H

Tech Center 3700 • Art Units: 1633 1775 1797 1799 3762

This examiner grants 61% of resolved cases

Performance Statistics

61.3%
Allow Rate
-8.7% vs TC avg
976
Total Applications
+30.0%
Interview Lift
1340
Avg Prosecution Days
Based on 940 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
20.9%
§102 Novelty
40.4%
§103 Obviousness
24.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19347877 DEVICES FOR CELL LYSIS AND METHODS OF USE THEREOF Non-Final OA Genzyme Corporation
18466204 DEVICE AND METHOD FOR PRODUCING EXTRACELLULAR VESICLES Non-Final OA The University of Chicago
17892655 CELL CULTURE DEVICE, CELL CULTURE METHOD, AND PRODUCTION METHOD OF PRODUCT Non-Final OA FUJIFILM Corporation
18002468 Device for Growing Microorganisms Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18268670 CELL CULTURE CONTAINER AND CELL CULTURE DEVICE Non-Final OA Shimadzu Corporation
18248567 CULTURE APPARATUS AND CULTURE METHOD Non-Final OA AISIN CORPORATION
18052366 METHOD FOR WET REMOVAL OF SULFUR DIOXIDE BY SILICATE BACTERIA-ENHANCED PULP Non-Final OA Kunming University of Science and Technology
18033974 IMMUNOISOLATION DEVICE Non-Final OA KURARAY CO., LTD.
18177862 COMPOSTING DEVICE AND METHOD FOR PROVIDING COMPOST MATERIAL Non-Final OA ALFRED KÄRCHER SE & CO. KG
18177859 COMPOSTING DEVICE Non-Final OA ALFRED KÄRCHER SE & CO. KG
18006334 FLUID FILTRATION SYSTEM Non-Final OA Janssen Biotech, Inc.
18550128 ARRAY OF PLASMA SOURCES AND METHOD FOR TREATING CELL MATERIAL Non-Final OA ECERAMIX GMBH
18269409 CELL CULTURE PLATE AND STACKED ARRAY BODY OF CELL CULTURES PLATES Non-Final OA NEXT & BIO INC.
18270066 A FLOW ELECTROTRANSFECTION DEVICE Non-Final OA SUZHOU ETTA BIOTECH CO., LTD.
18269369 LIMITED WELL THERMAL CYCLING DEVICE Non-Final OA MATERIALS AND MACHINES CORPORATION OF AMERICA
17924224 BIOPROCESSING WITH IMPROVED MEASUREMENT OF PROCESS PARAMETERS, RELATED APPARATUS AND METHODS Non-Final OA UNIVERCELLS TECHNOLOGIES S.A.
18006416 Biofilter for Biological Purification of a Waste Gas Stream Containing Impurities Non-Final OA Hartmann Biofilter GmbH & Co. KG
18070501 COMPOSTING DEVICE AND METHOD Non-Final OA Tarim University
17797091 SYSTEMS AND METHODS FOR CONTROLLING AND MONITORING ENVIRONMENTAL CONDITIONS OF A SEMEN SAMPLE DURING TRANSPORT Non-Final OA Fellow Health Inc.
17858757 SMALL-VOLUME CRYOGENIC STORAGE CONTAINER Final Rejection BioLife Solutions, Inc.
17784928 SYSTEMS, DEVICES AND METHODS FOR ENGINEERED TISSUE CONSTRUCT TRANSPORT AND CONTAINMENT Final Rejection Humacyte Global, Inc.

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