Prosecution Insights
Last updated: April 19, 2026

Examiner: WALCZAK, DAVID J

Tech Center 3700 • Art Units: 3751 3754 3772 3781

This examiner grants 74% of resolved cases

Performance Statistics

74.0%
Allow Rate
+4.0% vs TC avg
1760
Total Applications
+17.7%
Interview Lift
906
Avg Prosecution Days
Based on 1734 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
29.5%
§102 Novelty
34.8%
§103 Obviousness
30.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18791438 APPARATUS FOR DISCHARGING POWDER OF SECONDARY BATTERY Non-Final OA SK On Co., Ltd.
18721051 FLEXIBLE PACKAGING FOR A LIQUID AND METHOD OF MANUFACTURING SUCH A PACKAGING Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18381190 Dispensing System Final Rejection AS Strömungstechnik GmbH
18765335 APPLICATION CONTAINER WITH HOLDING PORTION FOR APPLICATION MATERIAL Non-Final OA TOKIWA CORPORATION
18682566 Agricultural Sample Handling System and Related Methods Final Rejection Precision Planting LLC
18518010 INFLATABLE POOL HAVING THERMAL INSULATION STRUCTURE Non-Final OA BESTWAY INFLATABLES & MATERIAL CORP.
18851567 SQUEEZE NAIL ENAMEL BOTTLE Non-Final OA Coty Inc.
18895377 SUCTION PIPE ROTATING DEVICE, AND SPRAY GUN WITH SAME Non-Final OA NINGBO JINGCHEN TECHNICAL SERVICE CO., LTD
18838162 FLUID PRODUCT DISPENSER Non-Final OA MBF PLASTIQUES
18791530 DOSING OR METERING DEVICE FOR HOT FLUID Non-Final OA TECNICOLL S.r.l.
18832499 ALL-PLASTIC COMBINED PRESS PUMP Non-Final OA Majesty Holdings Co., Ltd.
18726939 METERING VALVE WITH IMPROVED METERING CHAMBER Non-Final OA APTAR FRANCE SAS
18726348 Valve Cup for Pressure Vessel Non-Final OA LINDAL FRANCE (SAS)
18269189 ON-DEVICE SELECTIVE REMOVAL OF IMPURITIES IN CLEANING FLUID Non-Final OA CareFusion 2200, Inc.
18712695 CONTAINER WITH FLEXIBLE INNER BODY Non-Final OA UNILEVER IP HOLDINGS B.V.
18710474 ASSEMBLY COMPRISING A BOTTLE, AN AESTHETIC BAND AND A SYSTEM FOR ATTACHING THE AESTHETIC BAND TO THE BOTTLE Non-Final OA CHANEL PARFUMS BEAUTE
18704754 VENTED CAPS FOR DISPENSERS AND METHODS OF USING THE SAME Non-Final OA SILGAN DISPENSING SYSTEMS HEMER GMBH
18698663 FLUID DISPENSING DEVICE Non-Final OA Rust-Oleum Corporation
18566814 MULTI-FLOW STOPPER Final Rejection BERICAP Holding GmbH
18382740 BED DISPENSER ASSEMBLY AND SYSTEM AND METHOD FOR MONITORING HAND HYGIENE, WELLNESS, AND HUMAN INTERACTIONS Non-Final OA Sterilogy Holdings, inc.
18484060 FIBER DISTRIBUTION DEVICE AND SYSTEM THEREWITH AND METHOD THEREFOR Non-Final OA Roess Nature Group GmbH & Co. KG

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