Prosecution Insights
Last updated: October 02, 2026

Examiner: KOPEC, MARK T

Tech Center 1700 • Art Units: 1692 1712 1731 1761 1762 1796

This examiner grants 84% of resolved cases

Analysis

Mark T. Kopec is an examiner in Tech Center 1700 and Art Unit 1692, with 1107 resolved cases on record. His allowance rate of 84.5 percent indicates a high likelihood of success for applicants. This large volume of 1107 cases provides a stable statistical foundation for predicting prosecution outcomes.

The data shows an interview lift of 12.9 percent. This positive lift suggests that an interview can be a tool to bridge gaps in understanding and move an application toward allowance. When compared to the 84.5 percent base allowance rate, the 12.9 percent lift offers a tactical advantage for practitioners working in Art Unit 1692.

The median days to allowance is 849, which defines the typical duration of the patent acquisition process under his review. This 849-day period is a consideration for applicants planning their intellectual property timelines. Given the 1107 resolved cases, the 84.5 percent allowance rate and the 12.9 percent lift are established benchmarks for this examiner.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

84.5%
Allow Rate
+19.5% vs TC avg
1,124
Total Applications
+12.9%
Interview Lift
849
Avg Prosecution Days
Based on 1107 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
27.6%
§102 Novelty
38.4%
§103 Obviousness
19.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19069578 CATHODE ACTIVE MATERIAL AND METHOD FOR PRODUCING CATHODE ACTIVE MATERIAL Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
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.
18724394 BINDER POLYMER FOR NONAQUEOUS SECONDARY BATTERIES, BINDER COMPOSITION FOR NONAQUEOUS SECONDARY BATTERIES, AND NONAQUEOUS SECONDARY BATTERY ELECTRODE Non-Final OA Resonac Corporation
18795973 POSITIVE ELECTRODE ACTIVE MATERIAL AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
19255424 COMPOSITIONS AND METHODS FOR PARALLEL PROCESSING OF ELECTRODE FILM MIXTURES Non-Final OA Tesla, Inc.
18852186 METHOD OF PRODUCING SULFUR-BASED ACTIVE MATERIAL Non-Final OA SUMITOMO RUBBER INDUSTRIES, LTD.
18801223 NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR PRODUCING SAME Non-Final OA IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
18039543 ACTIVE HYDROGEN-CONTAINING ORGANIC COMPOUND SCAVENGER, COMPOSITION, AND APPLICATIONS THEREOF Non-Final OA TOSOH CORPORATION
18703517 METHOD FOR PREPARING A PRECURSOR MATERIAL FOR A LI-CONTAINING CATHODE ACTIVE MATERIAL Non-Final OA Umicore

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