Prosecution Insights
Last updated: May 29, 2026

Examiner: ROST, ANDREW J

Tech Center 3700 • Art Units: 3753

This examiner grants 65% of resolved cases

Performance Statistics

65.1%
Allow Rate
-4.9% vs TC avg
859
Total Applications
+19.8%
Interview Lift
1162
Avg Prosecution Days
Based on 826 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
8.8%
§102 Novelty
72.4%
§103 Obviousness
14.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18908475 TEMPERATURE COMPENSATING BIMETALLIC SPRING ENERGIZED MECHANICAL SEAL Non-Final OA A.W. CHESTERTON COMPANY
18785032 VENT PORT DIFFUSER Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18428881 AIRCRAFT ANTI-ICING SYSTEM Non-Final OA Rohr, Inc.
18356877 RETENTION CLIP FOR A VALVE SHAFT ADAPTER Non-Final OA Watts Regulator Co.
18910078 Magnetic Latching Valve with an Enhanced Exhaust Configuration Non-Final OA IMI PLC
18896462 ROTARY VALVE ACTUATOR AND ASSOCIATED METHOD Non-Final OA TY-CROP MANUFACTURING LTD.
18665911 SEAL AND FLUID VALVE HAVING SUCH A SEAL Final Rejection Vitesco Technologies GmbH
18888984 COUPLED VALVE ASSEMBLY Non-Final OA OIL STATES INDUSTRIES, INC.
18097548 FLUID DELIVERY MODULE Non-Final OA Ichor Systems, Inc.
18170964 Method and Apparatus for Integrated Pressure and Flow Controller Non-Final OA MKS Inc.
18435712 MULTI-PLATE MANIFOLD Non-Final OA The Oilgear Company
18102652 EXPANSION TANK WITH ACTIVE FLOW MANIFOLD HEAD Non-Final OA Taco, Inc.
17427732 VALVE Non-Final OA Magenta Haze Pty Ltd

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