Prosecution Insights
Last updated: October 02, 2026

Examiner: COPENHEAVER, BLAINE R

Tech Center 3600 • Art Units: 1731 1746 1766 1781 1783 3648

This examiner grants 86% of resolved cases

Analysis

Blaine R. Copenheaver has resolved 62 cases in Tech Center 3600. His examination history in Art Unit 1731 shows an allowance rate of 85.5 percent. This figure is a primary indicator for applicants to use when evaluating the likelihood of a favorable outcome and for preparing for the prosecution process.

The median days to allowance for this examiner is 1033. This timeframe is essential for practitioners to consider when advising clients on the expected duration of the patenting process. A timeline of 1033 days helps in setting realistic goals for the various stages of prosecution and for budgeting legal expenses over the life of the application.

The interview lift for this examiner is 18.4 percent. This represents a notable increase over the 85.5 percent allowance rate, indicating that interviews are an effective method for resolving issues. The 18.4 percent lift suggests that practitioners should consider personal communication with the examiner to clarify technical disagreements and move the application toward a grant.

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

Performance Statistics

85.5%
Allow Rate
+33.5% vs TC avg
102
Total Applications
+18.4%
Interview Lift
1033
Avg Prosecution Days
Based on 62 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
21.1%
§102 Novelty
44.6%
§103 Obviousness
24.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18853073 ECO-FRIENDLY PACKAGING MATERIAL AND MANUFACTURING METHOD THEREFOR Final Rejection CJ CHEILJEDANG CORPORATION
18610942 COVER FILM Non-Final OA FUJIFILM Corporation
18430354 THERMALLY CONDUCTIVE SILICONE RUBBER WITH HIGH MECHANICAL PROPERTIES Non-Final OA Eaton Intelligent Power Limited
18760019 POLYMER BRUSH Non-Final OA NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
18560669 A PROCESSABLE, HIGH-PERFORMANCE DIELECTRIC ELASTOMER AND MULTILAYER DIELECTRIC ELASTOMER ACTUATOR Non-Final OA The Regents of the University of California
18573782 METHOD FOR PRODUCING BONDED BODY Final Rejection Resonac Corporation
18550846 Polyol and a Process for the Preparation Thereof Non-Final OA BASF SE
18475865 COMPONENTS PROTECTION LAYER Final Rejection HONEYWELL INTERNATIONAL INC.
18564944 A SELF-ADHERING INSULATION OR COVER BOARD Final Rejection SIKA TECHNOLOGY AG
18268768 ADHESIVE COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRICAL STEEL SHEET LAMINATE AND MANUFACTURING METHOD THEREFOR Non-Final OA POSCO Co., Ltd
18277801 FOAMED SHEET COMPRISING HIGH MELT STRENGTH POLYPROPYLENE Non-Final OA SABIC GLOBAL TECHNOLOGIES B.V.
18277798 HIGH MELT STRENGTH POLYPROPYLENE COMPOSITION Non-Final OA SABIC Global Technologies B.V.
18277806 HIGH MELT STRENGTH POLYPROPYLENE COMPOSITION Non-Final OA SABIC Global Technologies B.V.
18568478 ANTIMICROBIAL ARTICLES COMPRISING POLYURETHANE Final Rejection Amicoat AS

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