Last updated: August 18, 2026

Examiner: WALLACE, KIPP CHARLES

Tech Center 3600 • Art Units: 1774 3672 3674 3676

This examiner grants 78% of resolved cases

Performance Statistics

78.4%

Allow Rate

+26.4% vs TC avg

947

Total Applications

+25.5%

Interview Lift

1013

Avg Prosecution Days

Based on 929 resolved cases, 2023–2026

0.4%

§101 Eligibility

25.2%

§102 Novelty

56.2%

§103 Obviousness

12.5%

§112 Clarity

App #	Title	Status	Assignee
19389357	A WELLBORE TUBULAR STRING HAVING THREADED CONNECTIONS	Non-Final OA	Sooner Inc.
19287637	FIXED CUTTER DRILL BITS INCLUDING CUTTER ELEMENTS WITH VARIABLE EXPOSURES	Non-Final OA	Grant Prideco, Inc.
18759490	LINER HANGER RUNNING TOOL WITH CONTINGENCY RELEASE	Non-Final OA	WEATHERFORD TECHNOLOGY HOLDINGS, LLC
18992623	ROCK DRILL INSERT	Non-Final OA	SANDVIK MINING AND CONSTRUCTION TOOLS AB
18834245	DRILLING COMPONENT	Final Rejection	SANDVIK MINING AND CONSTRUCTION TOOLS AB

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