Prosecution Insights
Last updated: August 18, 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
866
Total Applications
+20.1%
Interview Lift
1160
Avg Prosecution Days
Based on 834 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
24.0%
§102 Novelty
48.0%
§103 Obviousness
22.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19121435 ELECTRIC ANNULAR WITH ROTATIONAL GEAR DRIVEN PUSHER Non-Final OA SCHLUMBERGER TECHNOLOGY CORPORATION
18528398 Flow Control Assembly for a Valve Final Rejection Fisher Controls International LLC
18403785 APPARATUS FOR MANUFACTURING SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SEMICONDUCTOR STRUCTURE Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
19282056 HIGH CONDUCTANCE VARIABLE ORIFICE VALVE Non-Final OA Applied Materials, Inc.
19257361 COMPACT HYBRID TRIPLE SEAL FOR REVERSIBLE GATE VALVE AND METHOD Non-Final OA WORLDWIDE OILFIELD MACHINE, INC.
18428881 AIRCRAFT ANTI-ICING SYSTEM Final Rejection Rohr, Inc.

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