Prosecution Insights
Last updated: April 19, 2026

Examiner: LOIKITH, CATHERINE A

Tech Center 3600 • Art Units: 3672 3674 3676

This examiner grants 85% of resolved cases

Performance Statistics

85.1%
Allow Rate
+33.1% vs TC avg
988
Total Applications
+7.5%
Interview Lift
976
Avg Prosecution Days
Based on 974 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
27.8%
§102 Novelty
43.3%
§103 Obviousness
23.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18830937 METHOD FOR TAKING A CORE SAMPLE OF A FORMATION Non-Final OA SAUDI ARABIAN OIL COMPANY
18481698 DOWNHOLE TOOL INCLUDING A FLUID LOSS DEVICE Non-Final OA Halliburton Energy Services, Inc.
19135738 DRILLING ROBOT Non-Final OA ZHAW ZÜRCHER HOCHSCHULE FÜR ANGEWANDTE WISSENSCHAFTEN
19112762 APPARATUS AND A METHOD FOR MONITORING A ROCK DRILLING RIG Non-Final OA SANDVIK MINING AND CONSTRUCTION OY
18147791 END-EFFECTOR EXCHANGE DEVICE Non-Final OA SMC CORPORATION
18041308 ADAPTIVE CONTROL OF A HYDRAULIC TIMBER GRIP ON A TIMBER HANDLING DEVICE Non-Final OA Komatsu Forest AB
18015131 PICKUP TOOL ASSEMBLY Non-Final OA ILONANDRE PTY LTD

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