Prosecution Insights
Last updated: August 18, 2026

Examiner: KOPEC, MARK T

Tech Center 1700 • Art Units: 1712 1731 1761 1762 1796

This examiner grants 84% of resolved cases

Performance Statistics

84.3%
Allow Rate
+19.3% vs TC avg
1,116
Total Applications
+13.0%
Interview Lift
849
Avg Prosecution Days
Based on 1099 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
27.5%
§102 Novelty
38.1%
§103 Obviousness
19.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18942779 NEGATIVE ELECTRODE MIXTURE FOR SODIUM ION BATTERY, AND SODIUM ION BATTERY AND METHOD FOR MANUFACTURING THEREOF Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18479782 OPTIMIZED SOLVENT-BASED LIQUID METAL COMPOSITIONS AND METHODS OF USING SAME Non-Final OA Meta Platforms Technologies, LLC
19066223 LIQUID COMPOSITION, LIQUID DISCHARGER, AND LIQUID DISCHARGE METHOD Non-Final OA RICOH COMPANY, LTD.
19198251 POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL, AND SECONDARY BATTERY Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
19200734 COMPOSITE SODIUM ION BATTERY CATHODE MATERIAL WITH RADIAL HETEROJUNCTION AND PREPARATION METHOD THEREOF Non-Final OA Hebei University
18815714 METHODS OF PASSIVATION TO CONTROL OXYGEN CONTENT AND REACTIVITY OF SILICON-CARBON COMPOSITE MATERIALS Non-Final OA GROUP14 TECHNOLOGIES, INC.
18376905 Needle Coke for Graphite Electrode, Needle Coke Manufacturing Method, and Inhibitor Non-Final OA Mitsubishi Chemical Corporation

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