Prosecution Insights
Last updated: April 19, 2026

Examiner: BALLMAN, CHRISTOPHER D

Tech Center 3700 • Art Units: 3753

This examiner grants 77% of resolved cases

Performance Statistics

76.7%
Allow Rate
+6.7% vs TC avg
496
Total Applications
+20.6%
Interview Lift
1012
Avg Prosecution Days
Based on 468 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
33.8%
§102 Novelty
47.0%
§103 Obviousness
18.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18732284 VALVE APPARATUS Non-Final OA DENSO CORPORATION
18469283 VALVE DEVICE Non-Final OA DENSO CORPORATION
18708576 PRESSURE SENSING DEVICE Final Rejection ENTEGRIS, INC.
18505133 PASSIVATION EQUIPMENT AND PASSIVATION METHOD FOR SEMICONDUCTOR DEVICE Non-Final OA Tokyo Electron Limited
18956846 CONDITIONING DEVICE FOR A PRESSURIZED FLUID Non-Final OA L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude
18830271 FLOW RESTRICTOR FOR A MASS FLOW CONTROLLER Non-Final OA Festo SE & Co. KG
18961540 COLD WATER COOLING WITH HEAT RECOVERY Non-Final OA Georg Fischer JRG AG
18957025 VALVE CORE WITH MICROPOROUS STRUCTURE AND SOLENOID VALVE USING VALVE CORE Non-Final OA SUZHOU RAYONTECH TECHNOLOGY CO., LTD
18868642 MIXING APPARATUS, AND METHOD FOR PRODUCING MIXED SOLUTION Non-Final OA SUMITOMO SEIKA CHEMICALS CO., LTD.
18752447 VALVES AND CONTROL SYSTEMS FOR PRESSURE EQUALIZATION AND DE-ENERGIZATION Final Rejection The E3 Company, LLC
18659257 FILTER FOR FLUIDIC APPLICATIONS Non-Final OA STRATEC SE
18447095 BIOCOMPATIBLE FITTING ASSEMBLY AND FLUIDIC CONNECTION SYSTEM Non-Final OA IDEX HEALTH & SCIENCE LLC
17683548 PORTABLE JOBSITE SKID SYSTEM Final Rejection Airgas, Inc.

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