Prosecution Insights
Last updated: May 29, 2026

Examiner: BALLMAN, CHRISTOPHER D

Tech Center 3700 • Art Units: 3733 3753

This examiner grants 77% of resolved cases

Performance Statistics

76.8%
Allow Rate
+6.8% vs TC avg
497
Total Applications
+20.5%
Interview Lift
923
Avg Prosecution Days
Based on 475 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
20.6%
§102 Novelty
75.2%
§103 Obviousness
3.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18469283 VALVE DEVICE Non-Final OA DENSO CORPORATION
18453463 PIEZOELECTRIC VALVE AND METHODS OF FORMATION Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18505133 PASSIVATION EQUIPMENT AND PASSIVATION METHOD FOR SEMICONDUCTOR DEVICE Non-Final OA Tokyo Electron Limited
18708576 PRESSURE SENSING DEVICE Final Rejection ENTEGRIS, INC.
18961540 COLD WATER COOLING WITH HEAT RECOVERY Non-Final OA Georg Fischer JRG AG
18868642 MIXING APPARATUS, AND METHOD FOR PRODUCING MIXED SOLUTION Non-Final OA SUMITOMO SEIKA CHEMICALS CO., LTD.
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
18935797 MOBILE GAS STORAGE SYSTEM Non-Final OA VOLTAGRID LLC
18659257 FILTER FOR FLUIDIC APPLICATIONS Non-Final OA STRATEC SE
17683548 PORTABLE JOBSITE SKID SYSTEM Final Rejection Airgas, Inc.

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