Prosecution Insights
Last updated: May 29, 2026

Examiner: WALCZAK, DAVID J

Tech Center 3700 • Art Units: 3751 3754 3761 3772 3781

This examiner grants 74% of resolved cases

Performance Statistics

74.1%
Allow Rate
+4.1% vs TC avg
1,767
Total Applications
+17.7%
Interview Lift
874
Avg Prosecution Days
Based on 1744 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
8.5%
§102 Novelty
61.3%
§103 Obviousness
26.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18791438 APPARATUS FOR DISCHARGING POWDER OF SECONDARY BATTERY Non-Final OA SK On Co., Ltd.
18381190 Dispensing System Final Rejection AS Strömungstechnik GmbH
18765335 APPLICATION CONTAINER WITH HOLDING PORTION FOR APPLICATION MATERIAL Non-Final OA TOKIWA CORPORATION
18851567 SQUEEZE NAIL ENAMEL BOTTLE Non-Final OA Coty Inc.
18885352 FLUID STORAGE AND DISPENSING CONTAINER AND LID FOR FLUID STORAGE AND DISPENSING CONTAINER Non-Final OA Mekyat Pesquisa E Desenvolvimento Tecnologico LTDA
18791530 DOSING OR METERING DEVICE FOR HOT FLUID Non-Final OA TECNICOLL S.r.l.
18785775 APPLIANCE DOSING PUMP WITH AN INTEGRATED RESERVOIR LIQUID LEVEL SENSING FEATURE Non-Final OA HTI Technology and Industries, Inc.
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
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.
18698663 FLUID DISPENSING DEVICE Non-Final OA Rust-Oleum Corporation
18484060 FIBER DISTRIBUTION DEVICE AND SYSTEM THEREWITH AND METHOD THEREFOR Non-Final OA Roess Nature Group GmbH & Co. KG

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