Prosecution Insights
Last updated: April 19, 2026

Examiner: ROST, ANDREW J

Tech Center 3700 • Art Units: 3753

This examiner grants 65% of resolved cases

Performance Statistics

65.2%
Allow Rate
-4.8% vs TC avg
856
Total Applications
+19.6%
Interview Lift
1197
Avg Prosecution Days
Based on 824 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
28.1%
§102 Novelty
45.2%
§103 Obviousness
22.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18908475 TEMPERATURE COMPENSATING BIMETALLIC SPRING ENERGIZED MECHANICAL SEAL Non-Final OA A.W. CHESTERTON COMPANY
18403785 APPARATUS FOR MANUFACTURING SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SEMICONDUCTOR STRUCTURE Non-Final OA 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.
18912930 VALVE FOR A VEHICLE SEAT COMFORT SYSTEM Non-Final OA Faurecia Autositze GmbH
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.
18435712 MULTI-PLATE MANIFOLD Non-Final OA The Oilgear Company
18030805 IMMERSION SYSTEMS & METHODS FOR WASHING & PERFORMING OTHER TASKS Non-Final OA IMMERSION SYSTEMS, INC.
18102652 EXPANSION TANK WITH ACTIVE FLOW MANIFOLD HEAD Non-Final OA Taco, Inc.
17536549 TORQUE REDUCTION VALVE HAVING SEPARATE STATIC SEAL AND DYNAMIC SEAL Non-Final OA Xomox PFT Corp.
17427732 VALVE Non-Final OA Magenta Haze Pty Ltd

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