Prosecution Insights
Last updated: August 18, 2026

Examiner: SUE-AKO, ANDREW B.

Tech Center 3600 • Art Units: 3674 3676

This examiner grants 71% of resolved cases

Performance Statistics

71.4%
Allow Rate
+19.4% vs TC avg
758
Total Applications
+27.4%
Interview Lift
799
Avg Prosecution Days
Based on 737 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
21.1%
§102 Novelty
44.6%
§103 Obviousness
24.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18638376 DRILLING FLUIDS AND METHODS RELATED THERETO Non-Final OA ExxonMobil Technology and Engineering Company
19210415 NON-REACTIVE COLLOID PARTICLES TO STOP GAS MIGRATION IN EXPANDABLE METAL APPLICATIONS Non-Final OA Halliburton Energy Services, Inc.
19210530 METHOD FOR PLACING NON-REACTIVE COLLOID PARTICLES TO STOP GAS MIGRATION IN EXPANDABLE METAL APPLICATIONS Non-Final OA Halliburton Energy Services, Inc.
19013106 SCALE INHIBITOR SQUEEZE TREATMENT SYSTEM AND METHOD OF USING THE SAME Non-Final OA Halliburton Energy Services, Inc.
18923878 POLYMER SYSTEMS FOR SUBTERRANEAN ENERGY STORAGE Non-Final OA Halliburton Energy Services, Inc.
19306314 PARTIALLY DEGRADABLE PARTICULATES AS TIME-RELEASED TRACERS FOR ACIDIZED AND FRACTURED GAS WELLS Non-Final OA Saudi Arabian Oil Company
19272087 PROVIDING LOST CIRCULATION MATERIAL TO CURE FLUID LOSSES IN A WELL Non-Final OA Saudi Arabian Oil Company
19397413 STABILIZED CO2 FOAM COMPOSITIONS FOR SUBTERANEAN FRACTURING APPLICATIONS AND COMPOSITIONS RELATED THERETO Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM & MINERALS
19479782 METHODS AND SYSTEMS FOR OPTIMIZING THE STORAGE OF CARBON IN SUBTERRANEAN MAFIC AND ULTRAMAFIC ROCK FORMATIONS Non-Final OA Chevron U.S.A. Inc.
19295901 ADDITIVE TO REDUCE POLYMER SOLIDS DEPOSITION AT PUMP HEAD Non-Final OA Baker Hughes Oilfield Operations LLC
18710325 ETHYLENE VINYL ACETATE-BASED DISPERSIONS SUITABLE AS POUR POINT DEPRESSANTS WITH IMPROVED PERFORMANCE AND STABILITY Non-Final OA Evonik Operations GmbH
18685561 DRAG REDUCING AGENT Non-Final OA Dow Global Technologies LLC

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