Prosecution Insights
Last updated: April 19, 2026

Examiner: MACDONALD, STEVEN A

Tech Center 3600 • Art Units: 1713 3674 3676

This examiner grants 80% of resolved cases

Performance Statistics

79.9%
Allow Rate
+27.9% vs TC avg
696
Total Applications
+13.4%
Interview Lift
914
Avg Prosecution Days
Based on 682 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
27.1%
§102 Novelty
47.1%
§103 Obviousness
22.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19187364 DOWNHOLE TOOL, WELL SYSTEM, AND METHOD EMPLOYING A SENSOR POSITIONED PROXIMATE A SPINNING FEATURE OF A DOWNHOLE DEVICE, THE SENSOR CONFIGURED TO SENSE FOR A CHANGE IN NOISE EMANATING FROM THE SPINNING FEATURE Non-Final OA Halliburton Energy Services, Inc.
19071493 SEALING/ANCHORING TOOL EMPLOYING A HYDRAULICALLY DEFORMABLE MEMBER AND AN EXPANDABLE METAL CIRCLET Non-Final OA Halliburton Energy Services, Inc.
18897083 MULTILATERAL LATERAL BORE COMPLETION EMPLOYING AN EXPANDABLE METAL ANCHOR Final Rejection Halliburton Energy Services, Inc.
19197878 DOWNHOLE TOOL WITH PUMP OUT SEAT Non-Final OA The WellBoss Company, LLC
18993568 ROTARY STEERABLE SYSTEM WITH ACTIVE PAD PROPORTIONAL CONTROL Non-Final OA TAQA DRILLING SOLUTIONS INC.
18944302 HYDROSTATICALLY-ACTUATABLE SYSTEMS AND RELATED METHODS Non-Final OA D-TECH UK LTD
18260410 Sealed cobalt leaching device, reagent,use of method for cobalt leaching and polycrystalline diamond composite sheet Non-Final OA SICHUAN JIARUI TECHNOLOGY CO., LTD.

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